enthalpy change^H is +23kJ mol-1

M grams of sucrose give enthalpy change of △H kJ/mol on combustion. What is the effect on enthalpy change when the mass of the
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enthalpy change^H is +23kJ mol-1 of phosphine (PH3) for the reaction2P(s)red+3H2(g)---->2PH3(g) a) Calc. entropy change for this
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2. asked by harry
3. 1,167 views
A certain constant-pressure reaction is nonspontaneous at 49 ∘C. The entropy change for the reaction is 71 J/K .What can you
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2. asked by Lexi
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The enthalpy change for the reaction2 H2 + O2 > 2 H20 is -571.6 kJ. Determine the enthalpy change for the decomposition of 24.0g
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2. asked by Mike
3. 2,371 views
How to calculate enthalpy change of the following reaction? :S + 2h2o >>> so2 + 2h2 given: s+o2 >>> so2 - enthalpy change =
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2. asked by olexandra
3. 1,646 views
It is always difficult to determine the change in internal energy. Chemists have developed quantity enthalpy H related to
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2. 95 views
Determine the enthalpy for the partial combustion of methane to carbon monoxide-2CH4(g) + 3O2(g) = 2CO(g) + 4H2O(l) from change
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2. asked by Anna
3. 1,774 views
Enthalpy questions?Given this enthalpy change MgCl₂(s)---->Mg²⁺(g) +2Cl⁻(g) ΔH∅ =+2490KJ/mol Mg2+(g)----> Mg²⁻ (aq)
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2. asked by Arvind Vijayanand Dubey
3. 599 views
Enthalpy questions?Given this enthalpy change MgCl₂(s)---->Mg²⁺(g) +2Cl⁻(g) ΔH∅ =+2490KJ/mol Mg2+(g)----> Mg²⁻ (aq)
1. 3 answers
2. asked by Arvind Vijayanand Dubey
3. 1,350 views
N2 + O2 = 2NO enthalpy change = +180.6kJc) what is the enthalpy change for the formation of one mole of nitrogen monoxide? d)
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2. asked by Farah
3. 1,051 views