lex asked in Science & MathematicsChemistry · 2 years ago

Need help with chem multiple choice?

If the atmospheric pressure is 0.993 atm and the height of the water column after the reaction occurs is 16.5 cm, what is the total pressure of the gas in the eudiometer?

0.993 atm

0.991 atm

0.977 atm

0.971 atm

QUESTION 5

If the total pressure of the gas in the eudiometer at the end of the experiment is 580.4mm Hg at 20.5 C, what is the partial pressure of the hydrogen gas?

598.6 mm Hg

31.89 mmHg

105.6 mm Hg

562.2 mmHg

QUESTION 6

If the partial pressure of the hydrogen gas is 513.2 mmHg, the volume of the gas is 15.4 ml, and the temperature is 20.5 C, how many grams of hydrogen gas were formed?

0.872 g

8.72 x 10-4 g

0.328 g

4.70g

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