Answer:
10.35%
Explanation:
Find the molar mass of water, using your periodic table: 18.02 g. Then find the molar mass of the total substance: 174.10 g.
Divide the molar mass of water by the molar mass of the total substance and multiply 100%. Doing this, you get 10.35%.
Allotropy is the existence of a chemical element in two or more forms, which may differ in the arrangement of atoms in crystalline solids or in the occurrence of molecules that contain different numbers of atoms.
Complete Question
A nearly flat bicycle tire becomes noticeably warmer after it has been pumped up. Approximate this process as a reversible adiabatic compression. Take the initial pressure and temperature of the air before it is put in the tire to be Pi = 1.00 bar and Ti = 298 K. The final volume of the air in the tire is Vf= 1.50 L and the final pressure is Pf = 5.00 bar. Calculate the final temperature of the air in the tire.
Assume that Cv,m = 5R/2
Answer:
The value is
Explanation:
From the question we are told that
The initial pressure is
The initial temperature is
The final volume is
The final pressure is
Generally the equation for reversible adiabatic compression is
Generally from the ideal gas equation we have that
=>
So
=>
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Here is a constant mathematically represented as
Here
is the molar heat capacity at constant pressure
and is the molar heat capacity at constant volume given as
Generally for an ideal gas is mathematically represented as
So
=>
So
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=>
=>