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Determine the value of the enthalpy change, AH rxn, for

The enthalpy change for the reaction2 H2 + O2 > 2 H20 is -571.6 kJ. Determine the enthalpy change for the decomposition of 24.0g
1. 5 answers
2. asked by Mike
3. 2,345 views
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
1. 5 answers
2. 99 views
Determine the enthalpy for the partial combustion of methane to carbon monoxide-2CH4(g) + 3O2(g) = 2CO(g) + 4H2O(l) from change
1. 1 answer
2. asked by Anna
3. 1,754 views
It is always difficult to determine the change in internal energy. Chemists have developed quantity enthalpy H related to
1. 3 answers
2. 77 views
2C2H2(g) + 5O2(g)→4CO2(g) + 2H2O(g)a. Determine the enthalpy change for the reaction. ΔH = (4(-393.5)+ 2(-241.8)) – (2(227)
1. 4 answers
2. asked by Morgan
3. 22,397 views
I need a recap of how to do the question below. I just need the basic guidelines:The enthalpy change for the reaction 2H2(g)+O2
1. 8 answers
2. asked by Todd
3. 618 views
give enthalpy profile diagrams to illustrate endothermic and exothermic reactions. include an explanation of cocepts such as
1. 0 answers
2. asked by ABRAHAM
3. 718 views
How to calculate enthalpy change of the following reaction? :S + 2h2o >>> so2 + 2h2 given: s+o2 >>> so2 - enthalpy change =
1. 1 answer
2. asked by olexandra
3. 1,627 views
Using the equations and enthalpy values provided, which mathematical expression can be used to determine the unknown enthalpy
1. 1 answer
2. asked by bryan
3. 582 views
Enthalpy questions?Given this enthalpy change MgCl₂(s)---->Mg²⁺(g) +2Cl⁻(g) ΔH∅ =+2490KJ/mol Mg2+(g)----> Mg²⁻ (aq)
1. 0 answers
2. asked by Arvind Vijayanand Dubey
3. 584 views