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Chemistry-

General

Easy

Question

Enthalpy of CH4+ $fraction numerator 1 over denominator 2 end fraction$ O2→CH3OH is negative. If enthalpy of combustion of CH4 and CH3OH are x and y respectively. Then which relation is correct-

x>y
x<y
x=y
x³y

The correct answer is: x<y

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A random variable has the following distribution.

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The heat of combustion of ethanolina bomb calorimeteris–670.48Kcalmol–1at25°C.Whatis DE at 25°C for the reaction?

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The value of $open vertical bar table row cell 1 to the power of 2 end exponent end cell cell 2 to the power of 2 end exponent end cell cell 3 to the power of 2 end exponent end cell row cell 2 to the power of 2 end exponent end cell cell 3 to the power of 2 end exponent end cell cell 4 to the power of 2 end exponent end cell row cell 3 to the power of 2 end exponent end cell cell 4 to the power of 2 end exponent end cell cell 5 to the power of 2 end exponent end cell end table close vertical bar$ is

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Arrange in the increasing order of boiling points:
i)
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iii)

iv)

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ii)
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