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neonofarm [45]
3 years ago
9

Why is it useful to use moles to measure chemical quantities?

Chemistry
1 answer:
PtichkaEL [24]3 years ago
6 0
It takes into account the different molecular masses of the different chemicals by providing a fixed and standardised number of molecules/ atoms for chemicals to be measured
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Irina18 [472]

Answer:

The answer is C

Explanation:

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Which is a chemical property of oxygen?
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If the gas in the piston above has a volume of 20.0 L at a temperature of 25 C what is the volume of that gas when it is heated
dexar [7]

Answer:

15.98 L

Explanation:

First, you need to find T1, T2, V1 and V2.

T1 = 25 C = 298.15 K (25C + 273.15K)

T2 = 100 C = 373.15 K (100C + 273.15K)

V1 = 20. L

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Next, rearrange to fit the formula

V2 = V1 x T1 / T2

Next, fill in with our numbers

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Do the math and you should get...

15.98 L

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3 years ago
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The chemical formula for methanol is: Calculate the molar mass of methanol. Round your answer to decimal places.
miss Akunina [59]

Answer:

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3 years ago
How many moles of SO2 are required to produce 0.45 mole CS2?
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Answer: The moles of carbon needed will be, 13.8 moles

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4 0
4 years ago
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