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Chemistry-

General

Easy

Question

$C subscript text graphite end text end subscript plus O subscript 2 left parenthesis g right parenthesis end subscript rightwards arrow C O subscript 2 left parenthesis g right parenthesis end subscript semicolon capital delta H equals negative 393.5 K J$ $increment$ H of the above reaction cannot be

Heat of formation of CO₂
Heat of combustion of C
Heat of reaction
Heat of transition

The correct answer is: Heat of transition

Related Questions to study

The enthalpy of the reaction $H subscript 2 left parenthesis g right parenthesis end subscript plus fraction numerator 1 over denominator 2 end fraction O subscript 2 left parenthesis g right parenthesis end subscript rightwards arrow H subscript 2 end subscript O subscript left parenthesis g right parenthesis end subscript$ is $increment$ H₁ and that of $H subscript 2 left parenthesis g right parenthesis end subscript plus fraction numerator 1 over denominator 2 end fraction O subscript 2 left parenthesis g right parenthesis end subscript rightwards arrow H subscript 2 end subscript O subscript left parenthesis l right parenthesis end subscript$ is $increment$ H₂ Then

The enthalpy of the reaction $H subscript 2 left parenthesis g right parenthesis end subscript plus fraction numerator 1 over denominator 2 end fraction O subscript 2 left parenthesis g right parenthesis end subscript rightwards arrow H subscript 2 end subscript O subscript left parenthesis g right parenthesis end subscript$ is $increment$ H₁ and that of $H subscript 2 left parenthesis g right parenthesis end subscript plus fraction numerator 1 over denominator 2 end fraction O subscript 2 left parenthesis g right parenthesis end subscript rightwards arrow H subscript 2 end subscript O subscript left parenthesis l right parenthesis end subscript$ is $increment$ H₂ Then

chemistry-General

Identify the reaction in which the heat liberated corresponds to the heat of formation ( $increment$ H) :

Identify the reaction in which the heat liberated corresponds to the heat of formation ( $increment$ H) :

chemistry-General

For the gaseous reaction involving the complete combustion of isobutane

For the gaseous reaction involving the complete combustion of isobutane

chemistry-General

parallel

In an adiabatic expansion of ideal gas :

In an adiabatic expansion of ideal gas :

chemistry-General

A system absorbs 'xJ' heat and does "yJ" work Its $increment$ E is +Ve when

A system absorbs 'xJ' heat and does "yJ" work Its $increment$ E is +Ve when

chemistry-General

According to IUPAC conventions, which one of the following is not correct ?

According to IUPAC conventions, which one of the following is not correct ?

chemistry-General

parallel

For $N subscript 2 end subscript plus 3 H subscript 2 end subscript rightwards arrow 2 N H subscript 3 end subscript$ ,enthalpy and internal energy changes respectively are, $increment$ H & $increment$ U then

For $N subscript 2 end subscript plus 3 H subscript 2 end subscript rightwards arrow 2 N H subscript 3 end subscript$ ,enthalpy and internal energy changes respectively are, $increment$ H & $increment$ U then

chemistry-General

For which of the following reaction $ΔH equals ΔE plus 2 RT$

For which of the following reaction $ΔH equals ΔE plus 2 RT$

chemistry-General

Which of the following holds good to the laws of thermodynamics for the reaction $C subscript 2 end subscript H subscript 4 end subscript left parenthesis g right parenthesis plus 3 O subscript 2 end subscript left parenthesis g right parenthesis rightwards arrow 2 C O subscript 2 end subscript left parenthesis g right parenthesis plus 2 H subscript 2 end subscript O left parenthesis l right parenthesis$

Which of the following holds good to the laws of thermodynamics for the reaction $C subscript 2 end subscript H subscript 4 end subscript left parenthesis g right parenthesis plus 3 O subscript 2 end subscript left parenthesis g right parenthesis rightwards arrow 2 C O subscript 2 end subscript left parenthesis g right parenthesis plus 2 H subscript 2 end subscript O left parenthesis l right parenthesis$

chemistry-General

parallel

When a reaction is conducted in an open vessel, the heat of reaction is represented as

When a reaction is conducted in an open vessel, the heat of reaction is represented as

chemistry-General

For which one of the following system $ΔE less than ΔH$

For which one of the following system $ΔE less than ΔH$

chemistry-General

The difference between $increment$ H and $increment$ E for the reaction $B a C l subscript 2 end subscript left parenthesis a q right parenthesis plus K subscript 2 end subscript S O subscript 4 end subscript left parenthesis a q right parenthesis rightwards arrow B a S O subscript 4 end subscript left parenthesis s right parenthesis downwards arrow plus 2 K C l left parenthesis a q right parenthesis$

The difference between $increment$ H and $increment$ E for the reaction $B a C l subscript 2 end subscript left parenthesis a q right parenthesis plus K subscript 2 end subscript S O subscript 4 end subscript left parenthesis a q right parenthesis rightwards arrow B a S O subscript 4 end subscript left parenthesis s right parenthesis downwards arrow plus 2 K C l left parenthesis a q right parenthesis$

chemistry-General

parallel

Which of the following relationship is correct for a reaction involving both reactants and products are in either solid or liquid state?

Which of the following relationship is correct for a reaction involving both reactants and products are in either solid or liquid state?

chemistry-General

The heat of reaction at constant volume and temperature is represented by

The heat of reaction at constant volume and temperature is represented by

chemistry-General

The free energy profile for the transformation of A in to G is shown below.

What is the least stable transition state :

The free energy profile for the transformation of A in to G is shown below.

What is the least stable transition state :

chemistry-General

parallel

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