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What are the units of equilibrium constant Kc?
The units of equilibrium constant Kc are mol/Ln, where n is the sum of the stoichiometric coefficients of the products minus the sum of the stoichiometric coefficients of the reactants in the balanced chemical equation.
What is word equation for the burning of coal in oxygen?
This is called combustion. Combustion = burning an organic hydrocarbon in oxygen. Combustion yields stoichiometric amounts of carbon dioxide and water. .. CxHy + .. O2 --> .. CO2 + .. H2O insert the appropriate coefficients in .. spaces
Why is stoichiometric combustion rare?
Stoichiometric combustion is rare because it requires the exact ratio of fuel and oxygen for complete combustion, which is difficult to achieve in practice due to various factors like mixing issues, temperature variations, and incomplete fuel oxidation. Deviations from the ideal stoichiometric ratio can result in incomplete combustion, leading to inefficiency and the formation of pollutants.
When solving stoichiometric problems how is the correct mole ratio expressed?
The correct mole ratio is expressed using coefficients from a balanced chemical equation. These coefficients represent the relative number of moles of each substance involved in the reaction. The mole ratio is determined by these coefficients and is used to convert between different substances in stoichiometric calculations.
How can one determine the equilibrium constant for a chemical reaction?
To determine the equilibrium constant for a chemical reaction, you can measure the concentrations of the reactants and products at equilibrium and use these values in the equilibrium expression. The equilibrium constant (K) is calculated by dividing the concentration of the products raised to their stoichiometric coefficients by the concentration of the reactants raised to their stoichiometric coefficients.
