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How to calculate enthalpy change

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. 1,735 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. 191 views
use the following data to calculate the mean bond enthalpy values for the C-H and C-C bonds.CH4(g)-C(g) + 4H(g) standard
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2. asked by Bliss
3. 1,271 views
Ammonia (NH3) boils at -33oC; at this temperature it has a density of 0.81 g/cm3. The enthalpy of formation of NH3(g) is
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2. asked by Morgan
3. 2,201 views
Calculate the change in heat for the reaction 2C + H2 > C2H2 given the following chemical equations and their respective
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2. 150 views
The average bond enthalpy for C__H is 413 kJ/mol. In other words, 413 kJ of energy is required to break a mole of CH into atoms:
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2. asked by sarah
3. 1,198 views
Calculate the enthalpy of change, Delta H of rxn, for each of the reactions. record the values in the data table part 2I
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2. asked by AP Chemistry Question
3. 1,364 views
Change in enthalpy problem. Consider the reaction represented below. Referring to the data in the table below, calculate the
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2. asked by Dan
3. 1,326 views
Calculate enthalpy change of reaction for the combustion of gaseous ethanol.C2H5OH + 3O2 >> CO2 + 3H2O. Using standard molar
1. 2 answers
2. asked by Alex
3. 5,479 views
1.Calculate the enthalpy change (ΔHºrxn) for the following reaction: (The enthalpy of formation of aqueous sodium hydroxide is
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2. asked by Cha-Ching
3. 1,165 views