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3) Determine the mass of calcium hydride required to fill a 15.4 gallon fuel tank at a pressure of 20.0 atm at 23.4 degree celsius. 

          3) Determine the mass of calcium hydride required to fill a 15.4 gallon fuel tank at a pressure of 20.0 atm at 23.4 degree celsius.

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Chemistry: Structure and Properties
Chemistry: Structure and Properties
Nivaldo Tro 2nd Edition
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3) Determine the mass of calcium hydride required to fill a 15.4 gallon fuel tank at a pressure of 20.0 atm at 23.4 degree celsius.
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Transcript

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00:01 Hello students, in this question we have to find out the molar mass of the gas which occupies a volume of 1 .70 into 10 to the power 3 ml which is converted into liter divided by 1000 it will be equal to 1 .70 liter and at a temperature of 29 .54 degree celsius and converting this into kelvin we are adding 273 .15 kelvin and this will be equal to 302 .69 kelvin and the gas it sets a pressure of 1 .29 atmosphere.
00:38 At first we are going to calculate the number of moles for that we are using ideal gas equation pv is equal to nrt rearranging this equation in order to get the n value pv divided by rt where v is the pressure which is equal to 1 .29 atmosphere and v is the volume which is equal to 1 .70 liter and r is the universal gas constant equal to 0 .0821 and t is the temperature 302 .69 kelvin...
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