1. The total enthalpy of

In the roasting of zinc ore, the total enthalpy for the reactants is -412.0 kJ and the total enthalpy for the products is
1. 1 answer
2. asked by Morgan
3. 714 views
How many enthalpy changes (ÄH’s) would be required to calculate the total enthalpy change when ice at 0.0oC is turned to
1. 3 answers
2. asked by Anonymous
3. 605 views
I'm trying to calculate the enthalpy of the reactionMg(s) + 2HCl(aq) -> MgCl2(aq) + H2 (g) however I cannot find the enthalpy of
1. 1 answer
2. asked by Kirstie
3. 2,282 views
Which statements are correct for an endothermic reaction?I. The system absorbs heat. II. The enthalpy change is positive. III.
1. 3 answers
2. asked by chirikamo
3. 3,726 views
Select the statement(s) that are true about the enthalpy of a system.A) Heat is released by every reaction. B) Enthalpy is a
1. 5 answers
2. 35 views
What is enthalpy?A. Enthalpy is the kinetic energy of a system. B. Enthalpy is the heat involved in a reaction. C. Enthalpy is
1. 1 answer
2. asked by Morgan
3. 1,130 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. 114 views
Find the enthalpy for : 4Fe + 3O2 = 2Fe2O3I got the following informations: Fe + 3H2O = Fe(OH)3 + 3/2H2 - Enthalpy is 160.9 kj
1. 1 answer
2. asked by Shadow
3. 2,483 views
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. 2,369 views
The bond enthalpy of N2(g) is 418.0 kJ/mol. Calculate ÄH°f for N(g).I figured that if it gave the enthalpy for N2, then the
1. 0 answers
2. asked by han
3. 709 views