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Alik [6]
3 years ago
5

Which sequence represents the relationship between temperature and volume as explained by the kinetic-molecular theory?

Chemistry
1 answer:
max2010maxim [7]3 years ago
4 0

Answer:

The answer is: higher temperature/ more kinetic energy/ more space between particles/ higher volume

Explanation:

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This is the balances equations. C3H8 + 5O2 → 3CO2 + 4H2O How many moles of oxygen are required to produce 37.15 g CO2
AleksandrR [38]
Molar mass O2 = 31.99 g/mol

Molar mass CO2 = 44.01 g/mol

Moles ratio:

<span>C3H8 + 5 O2 = 3 CO2 + 4 H2O 
</span>
5 x 44.01 g O2 ---------------- 3 x 44.01 g CO2
( mass of O2) ------------------ 37.15 g CO2

mass of O2 = 37.15 x 5 x 44.01/ 3 x 44.01

mass of O2 = 8174.8575 / 132.03

mass of O2 = 61.916 g 

Therefore:

1 mole O2 ----------------- 31.99 g
moles O2 -------------------- 61.916

moles O2 = 61.916 x 1 / 31.99

moles = 61.916 / 31.99 => 1.935 moles of O2
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3 years ago
The density of a gas cannot be measured.<br> True<br> False
likoan [24]

Answer:

False

Explanation:

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What are hydroxyl groups and what happens to them when molecules combine?
Sloan [31]
Hi! Chemistry is complicated, right?

A hydroxyl group is a group that consists of
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3 years ago
What are watts and how do they work
ipn [44]
A watt is a unit of power.
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Why are elements and compounds classified as pure substances?
IgorC [24]

Pure substances contain a single type of chemical species, either element or compound. Elements cannot be further broken into simpler units by chemical methods. If we consider a sample of elements, it has a single type of atoms present in it. A compound has one or more atoms bound together chemically. Compounds can be broken down into simpler units by chemical means. When we consider a sample of a single compound say water, it has all the pure water molecules. Hence, elements and compounds are pure substances.

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3 years ago
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