Chemistry, 24.03.2021 16:10 chloerodgers56
The heat of vaporization for water is 40.7 kJ/mol. A given amount of water requires 63.8 kJ of energy to boil. The mass of the sample of water is -
13.2 g
18.0 g
22.28
28.2g
62.38
Answers: 2
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What is the molar mass of a gas that has density of 2.054 g/l
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Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.
Answers: 3
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For the reaction c6h14(g) & longrightarrow; c6h6(g) + 4h2(g), δp(h2)/δt was found to be 2.5 x 10-2 atm/s, where δp(h2) is the change in pressure of hydrogen. determine δp(c6h14)/δt for this reaction at the same time.
Answers: 2
The heat of vaporization for water is 40.7 kJ/mol. A given amount of water requires 63.8 kJ of energ...
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