heat evolved in the reaction of CaC2 with water
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Calcium carbide (CaC2) reacts with water to form acetylene (C2H2), a gas used as a fuel in welding.
CaC2 (s) + 2 H2O (l) ---> C2H2 (g) + Ca(OH)2 (s)
Change in Heat (Delta H) = -128.0 kJ
How many kilojoules of heat are evolved in the reaction of 3.5 kg CaC2 with 1.15 L H2O?
https://brainmass.com/chemistry/energetics-and-thermodynamics/heat-evolved-reaction-cac2-water-177385
Solution Preview
First find which one is the limiting reactant.
3.5 kg CaC2 is 3500 g/ 64 g/mol = 54.6875 mol.
1.15 L water is 1.15 kg, therefore, the moles of H2O is
1150 g / 18 ...
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