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Acetylene gas, HCCH(g), can be generated in the laboratory by adding calcium carbide to excess water, as shown in the following reaction
CaC2(s)+ H2O(l) HCCH(g)+ CaO(s)
How many grams of CaC2 would be required to generate 0.20 moles of HCCH(g)?
Equilibrium
The state in which both reactants and products are present in concentrations which have no further tendency to change with time, usually in a closed system.
Product
The result of multiplying two or more numbers together or the substances formed at the end of a chemical reaction.
Concentration
The measure of the amount of a sub-component (especially solute) in a solution, denoting how much of a substance is contained in a certain amount of another substance.
Shift
In a general sense, it refers to a change or movement from one position, state, or direction to another.
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