Use the standard enthalpies of formation for the reactants and products to solve for the ΔHrxn for the following reaction. (The ΔHf of Ca(OH)2 is -986.09 kJ/mol and liquid H2O is -285.8 kJ/mol.)

Ca(s) + 2H2O(l) Ca(OH)2 (s) + H2(g)

ΔHrxn =

The reaction is ?

Can anyone help cuz I suck at this.

Question

Use the standard enthalpies of formation for the reactants and products to solve for the ΔHrxn for the following reaction. (The ΔHf of Ca(OH)2 is -986.09 kJ/mol and liquid H2O is -285.8 kJ/mol.)

Ca(s) + 2H2O(l)  Ca(OH)2 (s) + H2(g)

ΔHrxn =  

The reaction is ?

Can anyone help cuz I suck at this.

jigglypuff314 · Answer

Hello @matasmile98 and Welcome to OpenStudy! :) You have posted this question in the OpenStudy Feedback section, I believe you would get much better and faster help if you were to ask your question in the Mathematics section: http://openstudy.com/study#/groups/mathematics