Asked by TTR+S<3

help pls, check my work asap!??

1) Which of the following is a chemical change? (1 point)
Boiling of water***
Melting a cube of ice
Dissolving 10 grams of salt in water
Splitting water into hydrogen and oxygen

2) What is the mass of water that results from combining 2.0g of hydrogen with 16.0g of oxygen? (1 point)
14.0g
16.0g
18.0g***
20.0g

3) Why are plastic building blocks good for modeling molecules? (1 point)
They come in thousands of shapes and sizes.***
They can be combined in many different ways.
They are rigid and do not easily separate.
There are as many different colors as there are atoms.

4. What did Antoine Lavoisier’s experiments demonstrate? (1 point)
Atoms always split into pairs during a chemical change.
Mass is neither lost nor gained during a chemical change.***
Matter can be created during a chemical change.
Energy is neither lost nor gained during a chemical change.

help pls asap?
Answered by Writeacher
Do not post your questions more than once. When a tutor with this expertise comes online, he/she will see your questions and respond.
Answered by TTR+S<3
ok..... sry-_-
Answered by Anonymous
1. Incorrect. It is splitting water into hydrogen and oxygen.

2. Correct

3. Incorrect. They can be combined in many ways.
Answered by TTR+S<3
thank you Anonymous!!!:)
Answered by Skylar
What about #4?
Answered by Nicole
Here are the answers:
1. D
2. C
3. B
4. B
I got a 4/4 100%!
Answered by FazeBlazeTaze
Nicoles answers are WRONG. I did the questions and got a 20%!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answered by Angel
Nicole is actually correct. I got a 4/4

Answers:
1.D
2.C
3.B
4.B

FazeBlazetaze, your the one who is actually wrong. I don't know what you did but this is a four question quick check so that means you cant get a 20% at all!!! You can only get 100%,75%,50%,25%, or 0%. Not A 20%. You must have been looking at the wrong quick check.

Everyone, go with Nicole on the answers.
Shes correct.
Answered by YEP
Nicole and Angel are correct! 4/4 100%
Answered by WaffleMustache
4/4 100%
Answered by Josh
I did the answers from Nicole and I got a 100% so listen to her
Answered by the man
Nicole is 100% right I just got a 4/4
Answered by Death
Yup 4/4
Answered by Leftrightbelow037
Yup!!!! Awesome
Answered by t
4/4
Answered by Cuddly Baby Panda
Thanks, Nicole. Got a 4/4. =D
Answered by Salted Caramel
Nicole is right!!!! Got 100%
Answered by Vae
Nicole is right, 100% 4/4 on the quick check.
Answered by Talia
Nicole is right! 4/4.
Answered by liars
I GOT A 2/4
Answered by connections student
nicole IS right, its not nice for the people that say she isn't right to mess with us like that.
Answered by Jeremiah McMullen from Connexus
Nicoles right, I got a 100% on my test.
Answered by someone
yes she is correct
Answered by Grace
Got em! Thank youuu!

Answered by SomeoneNew
Nicole is actually right i gotta 4/4
Answers:D,C,B,B
Answered by lily
thanks for the answer on my quiz guys
Answered by Arnold Schwarzenegger (fake)
According to my retinal analysis, nicole is one hundred percent correct. FazeBlazeTaze uses a practical sense of.

Illogical reasoning.

*Fist bumps nicole.


Ill be back
*exits website.
Answered by FazeBlazeTaze
Nicole is wrong so wrong she got me 100%. Good Job
Answered by anonymous
NICOLE IS RIGHT!! I GOT A 100% USING:
1.D
2.C
3.B
4.B
THANK YOU SO MUCH NICOLE!!!!!!!!!
Answered by DIMNDHAWK
FazeBlazeTaze your wrong... Your not even from faze lol, anyways 4/4 correct thanks Nicole.
Answered by josh
For number 2 I put b instead of c but yeah 4/4 if I pushed c Nicole is right
Answered by sourpunch00
Nicole is right I got a 100% idk what that other dude talkin about lol.
Answered by More than just a pretty face
Yep. And it’s still accurate this year
Answered by sqidly
D
C
B
B
100:)
Answered by James
Nicole is correct 4/4 for the Physicall and Chemical changes Quick Check. D,C,B,B are the answers.
Answered by A person
Nicole is correct
Answered by eh
Nicoles right :)
Answered by your mum
thanks Nicoles!!!
Answered by yep sooo right
d,c,b,b 100%
Answered by amy
nicole is correct 4/4 THANK YOU SO MUCH! i know im like 2 years late to responding but whatever XD
Answered by Bro
Nicole is right for 6th grade unit4 lesson5 on connexus
Answered by the muffin man
1. a
2. c
3. d
4. d
Answered by Anonymous
Nicole is right :)
Answered by C
nicole is right
Answered by Anonymous
Thank you Nicole I got a %100 or 4/4
Answered by t
Thank u so much i got a 4/4

Answered by Chole
Nicole is a 100% correct!! Thanks!!
Answered by Kaelyn J
THANK YOU NICOLE!!!!!!!!!! I GOT 4/4 PLZ LISTEN TO HER IF U WANT A GOOD GRADE!!!!!!!!!!😁😁😁😁😁😁😁😁
Answered by Nicole
Hello thank you Nicole for helping be get a good grade I got a 100% and I'm also Nicole so LOL
Answered by Why
WDYM I have 5 questions and not 4? ?? :(
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