Calcium carbide, CaC2, used to produce acetylene, C2H2, is prepared by heating calcium oxide and
carbon to high temperature. Carbon monoxide gas is formed as a by-product.
a. Write down the balanced equation for this process.
b. If a mixture contains 1.15 kg of each reactant, how many grams of calcium carbide can be
prepared?

CaO + 3C >CaC2 + CO.

Explanation:

If 1 mole of CaO has a mass of 40+16= 56g and produces 1 mole of CaC2 of mass 40+2(12)=40+24=64

Then 1.15g of CaO will yield 1.15*64/56=1.3g of CaC2

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consider the reaction below.

 no rx

at 500 k, the reaction is at equilibrium with the following concentrations.

[pci5]= 0.0095 m

[pci3] = 0.020

[ci2] = 0.020 m

what is the equilibrium constant for the given reaction?

0.042

0.42

2.4

24