Organic Chemistry

1 answer:

4 0

Each alcohol's alkene product when dehydrated are:

a) cyclohexanol when dehydrated = cyclohexene
b) 1-methylcyclohexanol when dehydrated = methylcyclohexene 
c) 2-methylcyclohexanol when dehydrated = methylcyclohexene 
d) 2,2-dimethylcyclohexanol when dehydrated = 1,2-methylcyclohexene 
e) 1,2-cyclohexanediol when dehydrated = cyclohexanone

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A sample of argon gas (molar mass 40 g) is at four times the absolute temperature of a sample of hydrogen gas (molar mass 2 g).

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Answer:

Ratio of Vrms of argon to Vrms of hydrogen = 0.316 : 1

Explanation:

The root-mean-square speed measures the average speed of particles in a gas, and is given by the following formula:

Vrms = $\sqrt{3RT/M}$

where R is molar gas constant = 8.3145 J/K.mol, T is temperature in kelvin, M is molar mass of gas in Kg/mol

For argon, M = 40/1000 Kg/mol = 0.04 Kg/mol, T = 4T , R = R

Vrms = √(3 * R *4T)/0.04 = √300RT

For hydrogen; M = 1/1000 Kg/mol = 0.001 Kg/mol, T = T, R = R

Vrms = √(3 * R *T)/0.001 = √3000RT

Ratio of Vrms of argon to that of hydrogen = √300RT / √3000RT = 0.316

Ratio of Vrms of argon to that of hydrogen = 0.316 : 1

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