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lisabon 2012 [21]
2 years ago
12

Isabel pushes a toy car, giving it kinetic energy. When this happens, what happens to the energy in her arm?

Chemistry
2 answers:
BaLLatris [955]2 years ago
8 0
C the energy in her arms decreases. if you think about it, after you push something your arm will slow down during the push even if it is something that is lightweight. it causes you to exert more energy which would decrease the amount left in your arm.
Kipish [7]2 years ago
5 0

Answer:

c the energy in her arn decrease

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Need a quick answer!!!
Anna11 [10]
N: 60 mol
p: 20 atm = 20×1013hPa = 20260 hPa
T: 50°C = 323 K
R: 83,14 hPa·dm³/mol·K
V: ?
.................

pV = nRT
V = nRT/p
V = (60×83,14×323)/20260
V = 79,529 dm³ ≈ 79,6 dm³

79,6 dm³ = 79,6 L

:•)
7 0
3 years ago
What is the mass number of an atom that has 12 neutrons and 11 protons?<br> 24<br> 12<br> 11<br> 23
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Answer:

23

Explanation:

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5. Which phase of matter can be defined as:
-Dominant- [34]

Answer:

I think it A not sure if I get it wrong sorry I need points.

7 0
3 years ago
HeLpPp asap I’ll mark you as brainlister
jeka57 [31]
It’s 1 or 3 sorry if this is wrong
8 0
2 years ago
Which of the following is NOT a binary molecular compound?<br> KI <br> H2s<br> CO<br> CIF3
shutvik [7]
I believe KI is not a a binary molecule.
Your welcome
7 0
3 years ago
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