Which phase change results in an increase in disorder?

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Which formula represents an unsaturated hydrocarbon?

Which formula represents the missing reactant, X, in this equation?

Which equation represents a combustion reaction?

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What is the number of moles of electrons gained by Cl2(g) when 2.0 moles of electrons are lost by I-(aq)?

Which statement describes a 0.1 M NaOH(aq) solution?

A sample of LiOH(aq) has a concentration of 0.020 M. How many significant figures are used to express the concentration of this solution?

The mole ratio of oxygen molecules to carbon dioxide molecules is

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Which statement describes the reaction that occurs inside the beaker?

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Which two formulas represent the H1 acceptors in this equilibrium?

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