Dexter and Mandark team up in order to prevent theasteroids from destroying Eart

Question

Dexter and Mandark team up in order to prevent theasteroids from destroying Earth. They start this planet savingfeat by weighing a gelatin capsule (0.117 g)  Next theyadd pieces of aluminum/zinc alloy to the capsule and weigh thecapsule and alloy (0.200 g). They weigh out an empty beaker(112.600 g) and begin the experiement. After the reaction, theydetermine the mass of the beaker (with the displaced water) to be202.437 g. The temperature of the water was 22 Celsius and thebarometric pressure was 735.8 mm Hg. What is the vapor pressure of the water? What is the pressureof dry hydrogen gas? Dexter and Mandark team up in order to prevent theasteroids from destroying Earth. They start this planet savingfeat by weighing a gelatin capsule (0.117 g)  Next theyadd pieces of aluminum/zinc alloy to the capsule and weigh thecapsule and alloy (0.200 g). They weigh out an empty beaker(112.600 g) and begin the experiement. After the reaction, theydetermine the mass of the beaker (with the displaced water) to be202.437 g. The temperature of the water was 22 Celsius and thebarometric pressure was 735.8 mm Hg. What is the vapor pressure of the water? What is the pressureof dry hydrogen gas?

Explanation / Answer

as no temperature is provided,

assuming T=50 degree celcius,

vapour pressure=exp(20.386- 5132/T) mmHg

=89.78 mmHg

if you have any other value,put it in place of T and you will get it.

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