Zoey Wilson
New member
1) Adding a
____ will slow down a chemical reaction.
2) A chemical reaction that gives off heat is called ______.
3) A chemical reaction that forms one compound from two or more substances is called a _____.
4) The 2 in the formula Ag2S is a _____.
5) Balancing a chemical equation so that the same number of atoms of each element is found in both the reactants and products is an example of _______.
6) Which of the following is the correct chemical formula for dinitrogen tetroxide?
A)N4O2. B)NO2. CN2O2. D)N2O2.
7)in which type of reaction do ions in two compounds switch places?
8)Which of the following actions is an example of the use of activation energy?
A)plugging in an iron.
B)playing basketball
C)holding a lit match to a paper
D)eating.
9)enzymes in your body act as a catalysts. Thus, the role of enzymes is ______.
____ will slow down a chemical reaction.2) A chemical reaction that gives off heat is called ______.
3) A chemical reaction that forms one compound from two or more substances is called a
_____.4) The 2 in the formula Ag2S is a
_____.5) Balancing a chemical equation so that the same number of atoms of each element is found in both the reactants and products is an example of _______.
6) Which of the following is the correct chemical formula for dinitrogen tetroxide?
A)N4O2. B)NO2. CN2O2. D)N2O2.
7)in which type of reaction do ions in two compounds switch places?
8)Which of the following actions is an example of the use of activation energy?
A)plugging in an iron.
B)playing basketball
C)holding a lit match to a paper
D)eating.
9)enzymes in your body act as a catalysts. Thus, the role of enzymes is ______.