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Oksanka [162]
3 years ago
6

Which has more atoms: 1 mole of hydrogen atoms or 1 mole of carbon-12 atoms?

Chemistry
1 answer:
Lyrx [107]3 years ago
3 0
Each mole has 6.02 x10^23 atoms so they have same atoms
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What is the mass, in grams, of 0.125 L of CO2 at STP? Question 4 options: 2.80 g 181 g 0.246 g 4.11 g
Zolol [24]
1) Use the fact that 1 mol of gas at STP occupies 22.4 liter

=> 1 mol / 22.4 l = x / 0.125 l => x = 0.125 l * 1 mol / 22.4 l = 0.00558 mol

2) Now use the molar mass of the gas

molar mass of CO2 ≈ 44 g / mol

Formula: molar mass = mass in grams / number of moles =>

mass in grams = molar mass * number of moles = 44 g/mol * 0.00558 moles

mass = 0.246 g

Answer: 0.246 g
7 0
2 years ago
The molecule CH20 contains two single bonds and one double bond.<br> True<br> False
dem82 [27]

Answer:

True

Explanation:

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What is the value for ∆Soreaction for the following reaction, given the standard entropy values?
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3 years ago
Prove how the Law Conservation of Mass and Enery apply to Cellular Respiration​
snow_lady [41]

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Which parts of atoms can interact (react) to form chemical bonds?
EastWind [94]
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