Chemistry 10th Edition International Edition by Kenneth W – Test BankTo Purchase this Complete Test Bank with Answers Click the link BelowIf face any problem or Further information contact us At [email protected]Sample TestChapter 3—Chemical Equations and Reaction StoichiometryMULTIPLE CHOICE1.Which of the following is not a consequence of the Law of Conservation of Matter?2.It provides a basis for balancing chemical equations.3.It means that there will be no observable change in the quantity of matter during a chemical reaction.4.As a result, there will be the same number of moles on both the reactantand the product side of a balanced equation.5.It can be stated as “matter is neither created nor destroyed during a chemical reaction.”6.All of these are a consequence of the Law of Conservation of Mass.
ANS: COBJ: Understand the implications of the Law of Conservation of Matter.TOP: Chemical Equations2.Balancing a chemical equation so that it obeys the law of conservation of matter requires:OBJ: Understand the implications of the Law of Conservation of Matter.TOP: Chemical Equations3.What scientific law requires that subscripts in formulas should never be changed while balancing a chemical equation?
TOP: Chemical Equations4.Balance the following equation with the smallest whole number coefficients. What is the coefficient for O2 in the balanced equation?C4H10 + O2 CO2 + H2OTOP: Chemical Equations5.Balance the following equation with the smallest whole number coefficients. What is the coefficient for O2 in the balanced equation?C4H9SO + O2 CO2 + SO2 + H2O1.542.293.234.325.27
ANS: EDIF: Harder QuestionOBJ: Balance a chemical equation.TOP: Chemical Equations