Chemistry, 01.11.2019 17:31, denaemarie02

1) how much volume would 2.00 moles of gas take up, under standard temperature and pressure conditions?

11.2 l

22.4 l

33.6 l

44.8 l

2) using the equation, c5h12 + 8o2 → 5co2 + 6h2o, if an excess of pentane (c5h12) were supplied, but only 4 moles of oxygen were available, how many moles of water would be produced?

1 mole

2 moles

3 moles

6 moles

3) the formation of sodium hydroxide occurs by adding sodium to water in this reaction:

2na + 2h2o → 2naoh + h2

a byproduct of the reaction is hydrogen gas. if 69 grams of sodium fully reacts with water, how many grams of h2 gas are produced?

1.0 gram

2.0 grams

3.0 grams

6.0 grams

Answers: 2

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