Purchase Solution

heat evolved in the reaction of CaC2 with water

Not what you're looking for?

Ask Custom Question

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?

Purchase this Solution

Solution Summary

It shows how to calculate the heat evolved in the reaction of CaC2 with water. The solution is detailed and has a '5/5' rating.

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 ...

Purchase this Solution

Free BrainMass Quizzes

The quiz helps in revising basic concepts about thermochemistry.

General Chemistry - Classification of Matter

This test will assess your knowledge on the classification of matter which includes elements, compounds and mixtures.

Match Elements with their Symbols

Elements are provided: choose the matching one- or two-letter symbol for each element.

Organic Chemistry Naming: Alkanes

This is a quiz which is designed to assist students with learning the nomenclature used to identify organic compounds. This quiz focuses on the organic compounds called Alkanes.

Functional groups in Organic Chemistry

You will be tested on the names of functional groups in Organic Chemistry. It is very important to know the functional groups to understand Organic reactions.