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lorasvet [3.4K]
2 years ago
14

8. Which of the following is TRUE about limiting and excess reactants?

Chemistry
1 answer:
Ivahew [28]2 years ago
5 0
B. The limiting reactant determines the max amount of product that can be formed
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A sample of gas occupies a volume of 61.5 mL . As it expands, it does 130.1 J of work on its surroundings at a constant pressure
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Answer:

the final volume of the gas is V_2 = 1311.5 mL

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Given that:

a sample gas has an initial volume of 61.5 mL

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Since the process does 130.1 J of work on its surroundings at a constant pressure of 783 Torr. Then, the pressure is external.

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P_{ext} = 783 \ torr \times \dfrac{1 \ atm}{760 \ torr}

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The change in volume ΔV= \dfrac{W}{P_{ext}}

ΔV = \dfrac{130.1 \ J  \times \dfrac{1 \ L  \ atm}{ 101.325 \ J}  }{1.03 \ atm }

ΔV = \dfrac{1.28398717 }{1.03  }

ΔV = 1.25 L

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125 Each half life it divides by 2 the amount
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