Saturday
September 5, 2015

Homework Help: chemistry

Posted by Anonymous on Monday, November 10, 2008 at 3:36pm.

The reaction between 0.045 g of calcium with an excess of water was carried out in an ice calorimeter as used in this lab. The volume of water in the calorimeter decreased by 0.18 mL during the reaction
a) Write the equation for the reaction which occurs. Is it a redox reaction?
b) Calculate the enthalpy of the reaction (in kJ/mol). Show all steps of calculation.

i got the a), but i need help with b)
what's the enthalpy of formation for calcium hydroxide? wat is it measured in? and what equation do i use?

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