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ankoles [38]
3 years ago
5

What happens as the activation energy increases?

Chemistry
2 answers:
sdas [7]3 years ago
8 0

Answer:

the kinetic energy of colliding molecules changes

Sergio [31]3 years ago
4 0

Answer:

B) the kinetic energy of colliding molecules changes

Explanation:

Its the right answer .. Got 100% on the test

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(6.0 x 10^4) (3.1 x 10^1
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The pot shown in the picture is made of two different metals. Why is the handle made of a different metal than the rest of the p
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8 0
3 years ago
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Ionic bonds are ___________ than covalent bonds and are ___________ common in cells.
sammy [17]

Answer:

Ionic bonds are stronger than covalent bonds

8 0
2 years ago
What is the mass, in grams, of a sample of 7.83 × 1024 atoms of helium (He)? Show your work or explain the steps that you used t
timurjin [86]
First, we will get the number of moles:
one mole contains Avogadro's number of atoms. Therefore, to know the number of moles in <span>7.83 × 10^24 atoms, we will simply do cross multiplication as follows:
number of moles = (</span><span>7.83 × 10^24*1) / (6.022 * 10^23) = 13 moles

From the periodic table:
mass of one mole of helium = 4 grams
Therefore:
mass of 13 moles of helium = 13*4 = 52 grams</span>
7 0
4 years ago
How many moles are contained in a 4.67-l sample of gas at 30 c and 199 kpa?
valentina_108 [34]

Using ideal gas equation,

PV=nRT

P=199 kpa

V=4.67 L

T=30+273K= 303K

n= number of moles of gas

R=8.321 L·kPa·K-1·mol-1

So using ideal gas equation,

n=PV/RT

=199*4.67/8.321*303\

=0.37 mol

3 0
4 years ago
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