We'll learn about the five major types of chemical reactions: synthesis, decomposition, synthesis, single replacement (also called single displacement) and double replacement (also called double displacement). We'll look at examples of each, so that you can classify them, figuring out what type they are. In a synthesis reaction, a compound is made from more simple materials. In a decomposition reaction, a compound breaks down into simpler elements or compounds. In a combustion reaction, a compound (usually with carbon, hydrogen, and sometimes oxygen) combines with oxygen to give carbon dioxide and water. In a single replacement (displacement) reaction, one element that is on its own displaces another element in aqueous solution, kicking it out. In a double replacement (displacement) reaction, the positive and negative ions in two ionic compounds switch places, causing a precipitate to form.
%20and%20double%20replacement%20(also%20called%20double%20displacement).%20We'll%20look%20at%20examples%20of%20each,%20so%20that%20you%20can%20classify%20them,%20figuring%20out%20what%20type%20they%20are.%20In%20a%20synthesis%20reaction,%20a%20compound%20is%20made%20from%20more%20simple%20materials.%20In%20a%20decomposition%20reaction,%20a%20compound%20breaks%20down%20into%20simpler%20elements%20or%20compounds.%20In%20a%20combustion%20reaction,%20a%20compound%20(usually%20with%20carbon,%20hydrogen,%20and%20sometimes%20oxygen)%20combines%20with%20oxygen%20to%20give%20carbon%20dioxide%20and%20water.%20In%20a%20single%20replacement%20(displacement)%20reaction,%20one%20element%20that)
Published on May 8, 2015 by BetterGradesFast.com
424 Comments
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̿̿ ̿̿ ̿’̿’̵͇̿̿з= ( ▀ ͜͞ʖ▀) =ε/̵͇̿̿/’̿
2019???
Im the purple guy
Thank you a lot
i love u sir
Hello doctor can I ask you about mechanism question please and if u have a Instagram account please
That test tomorrow lookin tight
You make chemistry so much easier!!! Thank you so much! I love your videos.
Hi Tyler DeWitt 🙂 I would like to say Thank You, for your videos, amazing teaching styles, and sharing your knowledge. It really helps me. I am an engineering student here in my country Philippines, and I have a lot chemistry topics. And if I don’t understand what my professor are talking about..I always look on your videos and it is very helpful 🙂 THANK YOU SO MUCH.. Don’t be tired on inspiring and creating more amazing videos. God bless you bro 🙂
so helpful thank you
who has professor Dhar
I’m a broke high school student, but your videos are helping me get into college & because of that when I graduate and get a good paying job I will donate all my money to you because you really saved my ass LOL
Bro my teacher have to take 2 weeks to teach me this but u just taught me this just in 12 min
Love you bro
This video was so helpful. Thank you.
Great source for learning Chem
I love you
Are all hydrocarbons a natural gas?
This guy doesn’t know how often he replaces actual teachers jobs
Bruuhhhhhhhhhhhhh this man really got mad at that red stick figure,he got flashbacks while explaining I laughed way too hard
lol exams tmr im hopeless at this
Holy amazing thank god I found u
ahh double replacements are just a couple of swingers eh?
Who else feels like teaching your teacher in front of your class to embarrass her
Displacement and replacement
Are these reactions same thing
the goat of chem
This guy should be everyone’s chem teacher
You are by farrrr the best chem teacher ever, thank you for sharing your knowledge. Please don’t stop making this videos sir!!
you are God sent
my tr. brings the the final question from this video
who here is in Mr. Josh’s class?
test tmrw 😭
Nice explaination I like it
2019 anyone?
You sound like Robert Downey Jr’s Tony Stark
All of us were purple guy
Best teacher, best style of teaching
Plz give me all organic chemistry lecture
I request that your lecture is very easy to understand so plz give all organic lecture r
THANKS
better than my chem teacher
Not even in chemistry just have interest
how to know if a chemical is aqueous
u r an amazing teacher
You forgot to explain that for a single replacement reaction to occur, the element replacing the one in the compound must be more reactive
Ezana Debebe you will say it when you make a video
You are an amazing teacher that I have never seen before. Thank you so much . The single replacement rxn example is hilarious. LOl
Now there’s 2 tylers that annoy me, Ninja and this guy.
My chemistry teacher is for quantity over quality; meaning, she rushes through the lessons and expects us to know everything. When she is explaining things, she is just babbling words to herself it seems. She doesn’t understand that we are amateurs on the subject, so she acts like she’s talking to herself almost. Anyone here understand me? Anyway, you helped me sir. Thank you.
This is so helpful, i serious have my internal tmr. THANK GOD.
Hello You helped me to have 10 from chemistry. could you make a video about single replacment reactions only with moles
Mass and moles in gram problems
My chemistry project says to depict the “importance of chemical reactions” but I’m not sure what that is… any help?
You’re so smart, helpful and cool 😎 lol
U da real mvp 😥😪❤️✊
thanks broski
he’s purple
When he said single replacement, i felt that
This video cleared up so much
Thank you, I cant express my gratitude enough for you. You are literally the only reason I am passing chem. My teacher literally cant teach. I love you
Thank you for making this video I now know the type of reactions and now I hope to ace this science test
Very helpful
This was a really good explanation. Keep up the good work!
I see your videos and i take 18/20 in chemistry 📍
actually daddy like
You explanation is amazing….very helpful
The red guy said C u later
Major Oof
Thank you ❤️
You actually don’t know the amount of love I have for you
I got a final tmr 😪
What a tryhard
finally chemistry is making sense to me
I bet you were that purple guy
thsnk you tyler❤️
How can you dislike this, It can’t be explained any simpler, love this guy he is a legend!
7:07 dudes got some damage
what about hydrolysis, condensation and neutralization?
oh my god THANK YOU
u know the lesson is hard when the teacher starts using stickman figures
Thank God I’ve found this video!!!!
You are the one who knocks. You are the danger.
Serious question can you tell me any if your favorite chemistry software? I’ve been using ChemDraw lately and it’s pretty good.
Man you’ve made chemistry so much easier than it would’ve been. Thank you
Thanks For The Last Minute Help
Me: sees at the start that NaCl is unbalanced, thinking that im stupid I check my periodic table, sees that Na is +1, yup I’m a simpleton…..later explains that they are all unbalanced
Chem isn’t difficult. Your teacher is trash
Nice Video!
Me watching this in the first week of school to level up on my smarts stat: Morden probems cal for morden solutions
thanks you helped me
Sale bolna sikh
why is this so easy
Thank You 😀
For the last reaction,Why is KNO3 written after AgBr?
Mas kasabot pako diri kesa sa tudlo ni ma’am dana
do you know that you perfect teacher ..thank you from syria
i have an assignment here can you help me
plzzz help me im so hard to understang those type of chemicals reactions
its so difficult understand chemis because im pharmacy
You don’t do any chemistry??
can you help me or teach me to how to commute the formula so
wheres the types and reaction?
The first time I subscribed when someone asked me to!!! This guy saves more lives than he realizes!! : )
Speechless. Someone give this man a Nobel Peace Prize. Literally could not explain this in a simpler way. Clear, concise and to the point.
Dude you are saving my life right now❗❗
Great work.this is the best possible explanation fot this topic.thanks
4 years later and I’m still using your videos for university chemistry! thank you! 🙂
Thank you so much , I have a quiz tomorrow,you explained very clear!!!.God Bless you!!!
can someone tell me what happens to the numbers or subscript when equated?
Lord nd saviour
Actual life saver,THANKYOUU!!
red guy yeeted the purple guy
excellent video
Brilliant 👍🏻
today on the show i’ll be waving my magic hands around to help a bunch of idiots feel comforted as they cram and fail chemistry
U r just a rip off of Dr physics A
What kind of reaction is a ‘redox reaction’?
The LEGEND!
For double displacement it’s actually supposed to be AB+CD➡️AD+CB
not the products being AD+BC
Im purple.
Wait, I may be wrong, but for double replacement, isn’t it supposed to be AB + CD -> AD + CB ?
I sat in lecture for a whole hour and thirty min and this man taught me everything my biochem prof taught me in a whole 12 minutes
I LOVE YOU
where does the 2 go from Cl2 when Na + Cl2 = NaCl
Am I the only one who study this not for exams, but for fun?
We will all dance with you, Tyler
What about nucleophilic and electrophilic substitution
Why did he have to share his life story at @ 6:37?
2019?
Tomorrow is my test, this video is really helpful
Can you classify them as endothermic or exothemic
Can hydrogen and cuso4 can be reacted in single replacement reaction??
This guy makes chemistry so much easier to understand than my professor.
Awesome explanation!
So on the single replacement equation. Can someone tell me the negative and positive ions on it?
who hurt you
thank you so much! Your method of explaining is so understandable and so much less complex than my chem prof makes it out to be.
The way I jus understood all this so fast😭😭my chem teacher could never ‼️‼️
LMAO I love how this guy is better at teaching than my Chemistry teacher <3
Luv u bro
this guys a bloody legend
I am literally here at 1 am before my exam
When u have a test in 10mins
why not just become a teacher, i think you will be very good
Was the single replacement reaction the story of your high school dance? (not trynna throw shade)
I wish you were my Chem teacher! God bless you!
Screw red
thankyou so much for this
I really wish you were my science teacher, you explain things so much better, there’s been so many times where I come home from school all stressed cus I don’t understand a thing my teacher taught us, but I watch one of your 10 minute videos and everything makes sense
Thank you tomorrow is my exam,this help me much!
best review ever thanks man
I feel like..only he could compare a chemical reaction to his own highschool life..hi purple guy.. I’m blue..
May you pass your exams 🙏
Your good at teaching but use less paper because the planet is dying.
Tyler, thank you, but you forgot to say rhe driving forces of double replacement
What about metathesis reactions?
I’m pretty sure there are two different types of combustion
Incomplete and complete combustions
That’s awesome!! U literally helped me!!!!!Love u sooo much!!!😭😭😭💙💙💙
try to react skitz npcs
please react to skitz npcs
I’m just watching this for fun because I miss chemistry
thank you best teacher ever .
How do you know which one to replace??
Hello Tyler, I am a chemistry Teacher and am also learning to apply your way of teaching Chemistry. Thanks a lot
If there were more teachers like you I would be way less stressed. Thank you sir.
You are a really good teacher
Adamsın çok iyi anladım
Thanks a lot sir for this good teaching, good job,
Wonderful job sir
Hey Tyler.
Thanks a lot for your videos. They are helping a great deal. I honestly appreciate the effort you put into explaining and breaking down the concepts. Great JOB! … and Thanks again!!!
Do you have a video on Activity Series? Can’t find one from you.
this was very useful,thankyou!
I love you
Omg this guy is so awesome!!!
this quy is small brain
I love his hand actions/the little window thing
Yes I think so because it said that it contains carbon hydrogen and sometimes oxygen they combine with oxygen gas to give CO2 and H2O. So it always give carbon dioxide and water as the end product
thank YOU omg
You really have no idea how much this helped me. This cleared up so much, thank you a million times over
God bless this guy. He’s a live saver !!!
I like your enthusiasm
Tyler you are my savior!!!!!!!!
you are the best online teacher ever, you cover everything, there is ZERO confusion with you.
So double replacements are swingers!! Lol I’ll never forget it now
Thank you allot you help me allot for the exam tomorrow 🙏🏻♥️
Does double displacement reversible ? Please answer me l have exam
Hello….sir…….Hrw?…..i hope u will be fine……..i wanna ask u one question ……………u have taken these examples….that i got it….but that u have taken in small brackets….that made me little bit confuse….could u pls tell me…what are these?
I’m purple
why arent there professors in college like you?
Test Tomorrow
⬇️
Like if its the night before their test
that dancing story be hitting different
me
i hate you tyler dewitt
The dance story.. Who hurt you man?
Wonderful brother awesome way of teaching
hi
i hate you
I felt for that purple guy
I watching this 10 min before my chem exam, pray for me
how’d you do?
Thinks taler
Tyler
I like these rules, but I feel it should be mentioned too for both single and double replacements if the 1st metal is less active than 2nd metal in reactant than No reaction occurs.
night before exam gang
I watched this when I was in 9th grade, and now I’m here watching again…..
you’ve help me for the past week thanks for these vidoes man
1 like who hates fortnite
you are a LIVESAVER
i can tell you were the purple guy…. sorry bro
Excellent teacher! I wish you were my daughter’s teacher.
In regards to comments about him being the “purple guy”: don’t forget that he was or is still teaching kids at school, so I assume he is bringing an example that can relate and make them to remember better.
GOD BLESS U, UR WAY MORE UNDERSTANDABLE THAN MA CHEM TEACHER DUDE!👏🏼😭
Very helpful , Thank you sir 💓
Thanks,, it helps me a lot to understand more
Who else think he was purple?
for double dispalcement, shouldn’t it be ab+ cd = ad+ cb?
It seems like single replacement reaction hit a little close to home lol thanks for getting me ready for my mid term tho 😘
Thank you so much for the help, I will subscribe! You explained everything so well. And im sorry about ur experience as the purple guy:(
i literally understand every video ive watched by this guy… this is magic
Lol who hurt you in highschool?
How do we find your next video with the practice problems?
Man talks about dancing anology
Me: You ok man?
TELL US WHO HURT YOU, TYLER!
got to love those hand gestures
This guy is better than any chemistry teacher ive ever had
you are the best manh love u
extremely helpful! thanks!
I love my chem teacher but u should be my chem teacher
I have a chemistry exam tomorrow…. Please pray for me😁
Thank you sir.💖
Holy you saved my life I have a Exam tomorrow and now I actually understood the Reactions.
thank you so much, i actually might be able to pass my EOC now. this is very helpful and a lifesaver!!
You’re such a better explainer than the actual textbook !
dude this guy brother(Ferguson) teaches me math in middle school 9th grade
Krishna Sharma 9th grade is high school…
@sara a in Belgium some schools 7 to 9 is middle schoool
This REALLY helped thanks so much.
Thankssss🙏🏼💗💗
You save me 🙏🏼
i’m reading all these comments saying this helped everyone pass chem,,praying it helps me too 🥺🥺 66% let’s goooooooo
Night before my final. Thank you
My finals are tommorow 😭
Bro I swear u just passed me this class
ThNk you
man, this channel is good.
who is from 2020?
I wish you all good luck
7:58 Copper said to Silver Cu later!
your a fucking messiah
Idk man, it seems like the single replacement reaction got kinda personal.
Thanks for the vid
double replacement are open relationship couples at a swing party.
dancing example is so specific, you good?
also thank you, you really helped me out! 🙂
You are a great teacher! Why did you stop making videos?😕
This video just helped me out with this subject
I have an exam in an hour
today is our final exam and i’m just watching this bec our teacher gave us a five mins to review hahahaha
Double displacement should be like: AB+CD >> AD+CB and Not BC
I live on your channel now
jeez this guy teached me everything
this is what i get for sleeping in chem class
bless your soul
He kinda looks like Jaskier from the Witcher
here the morning before my exam-
I love your videos! Thank you for the help! Also, the formula for double replacement is AB + CD –> AD + CB. I think you got the BC and CB mixed up at the ending. I figured this out while working out some of my hw problems.
Here the day before my final. It’s tomorrow wish me luck
🐐
Tu teachear bannai kei layak nahi
No other teacher can explain it, only Tyler, love you, you are the best best!…..
Hi, my chem teacher, Ms.Shmitt, loves you. You should ask her out
You are probably the best teacher on youtube!!!
Thanks dude
Anyone in 10th grade chemistry here?
Maybe he is that purple guy since his shirt it’s purple like
I am the purple guy
I really hope you get payed well for your videos, they literally save my life.
I always come to him if i dont understand anything in chemistry.. Petition to make him my science teacher
Goat
meeee!!!!!
You are great teacher i love you a lot more than you expect
best teacher on youtube university
I think its AB+CD>AD+CB..corrrt if Im wrong
who else is here because we’re ed
YOU ARE SUCH AN AMAZING TEACHER
is he the purple guy?
👫 + 👫 –> 👬 + 👭
this is why we use double replacement chemical reaction
Super video thanks, how do you record your videos ? I want to make some of thermodynamics 🙂
*Did anyone else find **11:31** small error in his equation*
is it important for a combustion reaction to ONLY contain C,H and O.
He is like the Bob Ross of chemistry🤧
No wonder Thanos became the way he was. Someone just kicked him out of the dancing floor.
BEST TEACHER EVER THANK YOU SO MUH
Incredibly helpful, you are awesome man
Wow very useful thanks so great
this is great thank you
Very satisfying way of teaching,you are a teacher than my teacher.
Good video, good teacher…but please speak slow..🤷🏻♀👀
You are the best!
That was a very good explanation and you earned a subscriber
When this is the last quiz of the quarter and you need a 80% or higher…. wish me luck
why cant my teachers teach like this in class, it’s so much easier, i didn’t even need to repeat the video
6:33 I was was watching this to learn not to get emotional 🙁
8th grade anyone
yes
you are GOOOD!!! the dancing thing had me UNDERSTANDING 😂
thank u very much…
thansk amsn thnks was amazing
I think I saw a tear in his eye as he was explaining the dancing couple’s story…
i love you ! everything you teach makes sense
Synthesis: Putting Together
Decomposition: Breaking Up
Single Replacement: “I’m leaving you for your friend”
Double Replacement: “Wife Swap”
Combustion: “Taylor Swift”
–
–
All Credits to my science teacher
–
The Taylor Swift one: does the same thing over and over again. Gets a boy. They break up. She writes a song.
–
Hope this helps!
@k and write a trillion songs about it???? name one who was BEFORE taylor swift who did that. I’ll wait.
@Jacinta Allen look it up ALL artist sing about their love life. Also she doesn’t have a trillion songs and only a few are about breakups.🙄 u need to stop hating on successful ppl
@k the whole point is that she sings about TONS of ex’s….thats the whole point of the analogy AND this conversation…wow- the whole thing went right over your head huh? 😳Ima just let it go cuz i’m clearly not gonna get this to click
Your teacher !!!! Fire
my head was hurting of studying for so long, but your comment made me laugh out loud and now I feel better haha thanks
Bro your the best teacher ever 😅
watch this before the exam
When I opened this thumbnail I thought I misread it because I thought I read Types of Chemical Romance
Thanks for the helpful vid!!! As a beginner of chemistry I can actually understand this so thanks!
Suddenly I *love* chemistry! Thank you!!
Guys don’t trash your teachers here..! 🙂 just enjoy the lesson
you are awesome !
Hi! So in a combustion reaction it has to have carbon, hydrogen and sometimes oxygen but does it have to be combined with oxygen? Can it be combined to anything else? Would it still be considered as a combustion reaction
I am here because dat corona
Anyone else take chemistry and have to watch this for online classes bc of coronavirus?
ugh work
pause at 3:27 to see Tyler play air piano
amazing explanations, thank you so much, you save lives)))))
My teacher listed the common types as Precipitation Acid Based Neutralization and Oxidation Reduction (redox)
It’s purple guys origin story for fnaf
five major types of chemical reactions: synthesis, decomposition, synthesis, single replacement and double replacement – think you meant combustion instead of synthesis twice.
That dancing example..who hurt your feelings?
Sorry that happened to you Tyle- I mean purple guy
i AM purple guy:(
I just wanted to say what a wonderful teacher you are! My college chemistry class suddenly went online because of the corona virus quarantine and I was having a horrible time teaching myself these difficult concepts by just reading the slides my professor is sending, but now watching your videos is helping me tremendously!!!! You are a life saver! Thank-you so much!!!
my teacher is forcing us to watch this and i don’t like it
6:37 i just wanted to learn chemistry but I ended up just being in my feelings
now we know how this dudes highschool life was
I wonder sometimes if Chem teachers ever just fucked around and made meth
You are great.
Paisd anyone?
Thank you for your videos!
you(purple) vs the guy she told you not to worry about(red)
At 10:12 what happens to the Na2 and the Cl2? Why do they not keep the 2’s on the other side of the equation?
Julie Fox because that’s how they balanced themselves out with the other element
Hes the purple guy
Actualy my sister doesnt like these chemical balancing but after watching your videos she says that it is so easy,thank you
Thanks so much!
Isn’t H2O a liquid?
Depends. It can exist as a gas or solid, depending on the temperature. At room temperature, obviously, it will be liquid. However, in the example that’s given at 3:55, H2O was produced at higher temperature, therefore, appearing as a gas.
I think I know why simple replacement reaction break your heart. Something happen at prom buddy?
God bless this man I would literally have an F in chem if it weren’t for him
Thank youuuuu, these videos are coming in handy now that students are doing online learning and are so lost :/
the man behind the slaughter couldnt dance
poor Mr.Purple :-{ you are awsome with your analogies.
F for Purple guy
with the combustion reactions you only talk about clean burns what circumstances are needed so that it is a unclean burn or incomplete burn.
you talk like a audio book
single replacement be like, aight imma head out
Thank you sir
in single displacement what does (aq) mean?
@Ah yt it means it is aqueous I think .like a mix of solis and liquid
aquous cant spell
This guy is great, but I have a hard time looking at the screen because of his gesturing in the camera
That was very helpful. Thanks.
That’s what you get for chasing Chlorine. Halogens are so volatile.
That note on the right corner of the screen is kinda weird. Dude, you make money from the videos already, so I would feel awkward to ask for more money.
I love learning
Chemistry
Teacher 45minutes of chemistry but I learn more in youtube
You should be my science teacher I don’t have science in elementary school I’m only 8 but I like learning interesting things i love learning chemistry my favorite good video🧪
6:45 the man behind the equation
But where is redox reaction
green wasnt worth it smh
Wait in a combustion reaction when it makes carbon dioxide and water, are the carbon dioxide and water separate or together?
The two products, CO2 and H2O are separate.
Wait at 8:20 for the product, why is the NO3 in parenthesis but it’s not in the reactant part?
Because in AgNO3, it’s formed from Ag+ and NO3-, so you just need one of each ion to form an ionic compound, AgNO3.
For Cu(NO3)2, it’s formed from Cu2+ and NO3-. In order to form an ionic compound, the charges must balance, that means we need 2 groups of NO3- to balance off 1 Cu2+. That’s why the NO3 is in parenthesis, with a 2 outside.
wait why do reactants create more than one product? are those products separate from each other or together?
The products form depend on reactivity of the reactants. They are separate from each other.
now that I got the double replacement in their respective places do I now proceed to balance them out and if so can you please explain or do you have a video for that?
This man is carrying my chemistry grade
11:44 what your looking for
Nice explanation😊
Who else is here for elearning / online school
6:47
the man behind the slaughter-
lmaoooo
no way you just said that
iron is mr steal yo girl
His voice is literally soothing
PURPLE GUY
you’re definitely here because your chemistry teacher sucks.
who hurt this man
Thank you for your information 👏🏻, your explaining is clear👌🏻👌🏻.
R.I.P purple that how life works.
;(
i loved your example of the dancing couple
He’s the purple dude kuz in the dance he was talking. About chemistry to his girl while dancing
The dancing couple analogy made it so much simpler! Thank you!
when you learn twice the stuff in under half the time in a youtube video than you do in class
6:50 the origin story of the purple guy
gotta say I think I’m falling in love with you Tyler
So so helpful Thank youu
You are a god!
I wish I can give you more likes… But I can’t.. Anyway, your lectures are magnificent and impressive!
who else is self teaching cuz corona T_T
you explain better than our teachers
I feel like the overview of the types of reactions should’ve been at the start of the video
Why does the purple guy in the single replacement remind me of this guy
the reason the purple guy got kicked out is because hes the man behind the slaughter, duh
Fe was like Cu later
In the first example of combustion in the products water is liquid not gas
why did he stop uploading
love it! dancing example haha no worries at the end purple will be just fine 🙂
Thank you so much, Tyler
I’m looking at the comments here and every forgot the work and now are moaning for purple guy😅
Tyler…what phone did u have in high school? Just curious=)
hi can u explain me this type of reaction complete and balance each of the following reaction equation CH2=CH2+HCL
C6H6+HCL+1/2 Oxigen
can i merry u
Your are form USA sir
thank you for making me pass my final exam in chem
Shouldn’t the general formula for Double-replacement reactions be:
AB + CD -> AD + CB
As opposed to
AB + CD -> AD + BC
Because the C is a cation and it should be in the beginning of the compound?
which one are you: the chad red guy or the cucked purple guy
What does the (g) and (s) stand for?
I literally understood the lesson from one vid. You’re amazing my chem teacher could never!
best chemistry instructor
HOW CAN YOU ALWAYS SAVE ME. THANKSSSS
My professor just links all your videos on our online chem class. You should 100% be receiving all the tuition I pay instead of my college.
Hey,poor purple guy,you helped me to remember displacement reaction..
Amazing lecture sir . I have not taken such an amazing lectures thank you so much
another great videoooo
Well done. You found a way to combine chemistry and dancing.
Thanks for this video by the way. It really helped me out.