Question

* What is the current atmospheric pressure if the water vapor in the air is 2.5%. and the partial pressure of the vapor is 19.4 mm Hg? * If unreacted zinc is left over at the conclusion of the experiment, what is the effect on the calculated molar volume? Will it be larger or smaller? --- Explain. * if 20 g of hydrogen peroxide is decomposed, how many Liters of oxygen gas are expected? * The hydrogen and oxygen generated in this experiment are real gases. How would you expect them to deviate from the ideal gas law? Explain the needed conditions for this change. * The yield of gas in one student group is 83.1%; if the theoretical amount of gaseous product is 43.1 mL, what is the actual volume of gas captured?

          * What is the current atmospheric pressure if  the
water vapor in the air is 2.5%. and the partial pressure of
the vapor is 19.4 mm Hg?
* If unreacted zinc  is left over at the conclusion of the
experiment, what is the effect on the calculated molar
volume?  Will it be larger or smaller? --- Explain.
* if 20 g of hydrogen peroxide is decomposed, how many Liters of
oxygen gas are expected?
* The hydrogen and oxygen  generated in this experiment are
real gases.  How would you expect them to deviate from the
ideal gas law?  Explain the needed conditions for this
change.
* The yield of gas in one student group is 83.1%; if the
theoretical amount of gaseous product is 43.1 mL, what is the
actual volume of gas captured?

Added by Jean M.

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