Question: which of the following would be investigated in reaction stoichiometry

Answer: the mass of potassium required to produce a known mass of potassium chloride

Question: which of the following would not be studied in the branch of chemistry called stoichiometry

Answer: the amount of energy required to break the ionic bonds in calcium flouride

Question: a balanced chemical equation allows one to determine the

Answer: mole ratio of any two substances in the reaction

Question: each of the four types of reaction stoichiometry problems required using a

Answer: mole ratio

Question: to balance a chemical equation it may be necessary to adjust the

Answer: coefficients

Question: a chemical equation is balanced when the

Answer: same number of each kind if atom appears in the reactants and in the products

Question: if one knows the mole ratio of a reactant and product in a chemical reaction one can

Answer: calculate the mass of the product produced from a known mass of reactant

Question: in the chemical reaction represented by the equation wA +xB —>yC+zD a comparison if the number of moles of A to the number of moles of C would be an

Answer: mole ratio

Question: in the chemical equation wA+xB—>yC + zD if one knows the mass of A and the molar masses of A B C D one can determine

Answer: the mass of any of the reactants or products

Question: in what kind if reaction do two or more substances combine to form a nee compound

Answer: synthesis reaction