test II? Word Scramble
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Question | Answer |
Melting ice is an example of this | a. physical change |
substances that are formed as a result of a chemical reaction | f. product |
ocurs when bonds are broken and reformed to make a new substance or substances | b. chemical changes |
substances that change in a chemical reaction | e. reactants |
the total mass of the products of the reaction is equal to the total mass of the reactants | c. Law of conservation of mass |
an example is the formation of polymers | d. synthesis reaction |
a reaction in which one element replaces a similar element in a compound | a. single- displacement reaction |
a reaction in which a substance combines with oxygen releasing large amounts of energy in the form of heat and light | e. combustion reaction |
a reaction in which ions from two compounds in a solution exchange places to produce two new compounds | b. double-displacement reaction |
a reaction in which a single compound is broken down | c. decomposition reaction |
converts glucose and oxygen into energy, carbon dioxide and water | respiration |
an example of an exothermic reaction is: | heating MREs by pouring water into the ration heater |
when you activate an instant cold pack, water mixes with a chemical and the pack gets very cold. This is an example of: | endothermic reaction |
classify the following reaction :3CuSO+2Al -> Al(SO) +3Cu | single-displacement |
What is the by product of the combustion reaction given below: C6H12O6 + 6O2 -> 6CO2 + 6H2O | energy is released |
balance the following equation to demonstrate the conservation of atoms in a reaction. __Fe + __O2 -> __Fe2O3 | b. (4,3,2) |
Which of the following is true of a limiting reactant? | d. a and c only (a. limiting reactant is used up first c. the limiting reactant determines the amount of product formed) |
Classify the following reaction: Cu(NO3)2 + 2NaOH -> Cu(OH)2 + 2NaNO3 | double displacement |
Created by:
lbanana217
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