Chapter 17 study material
True or false A chemical reaction that results in a large amount of energy being released when a carbon compound combines with oxygen is considered a decomposition reaction.
False Combustion reaction
True or false. The number of molecules or moles of a substance involved in a chemical reaction is indicated by subscripts in the chemical equation for the reaction
False It is indicated by a coefficient.
True or false. In the equation involving 2KCIO->2KCLO+3O There are four molecules of product
False There are three molecules of product
True or false The reaction represented by the equation, 2NaHCO->2CO+H20+NaO, Is a combustion reaction
False it is a decomposition reaction
True or false. The equation, 4Fe+3O->2FeO, Represents a single displacement reaction
False it represents in addition reaction
True or false. Cutting vegetables into small pieces is an example of a chemical change.
False. Physical change
True or False. Cellular respiration, A process by which yeast converts sugar to carbon dioxide gas, represents a chemical change.
True
True or false. The mass, in grams, of one mole of a compound is known as Avogadro mass.
True
True or false. false. A solid insoluble, product formed in the reaction mixture may be referred to as a precipitate.
True
true or false. The total mass of the reactants equals the total mass of the products in a chemical reaction is an expression of the law of conservation of mass
True
True or false. The mass of the products equals the mass of the reactants in a chemical equation describing the reaction, the equation May be referred to as balanced.
True.