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Which of the following is an example of a decomposition reaction?
the reactants are what you start with and the products are what you end up with
exothermic
in an open container
adding a catalyst to decrease the amount of activation energy needed
hydrogen peroxide becomes water
by using coefficients
the formation of a precipitate
periods
The law of conservation of mass does not apply in a chemical reaction that takes place:
the reactants are what you start with and the products are what you end up with
exothermic
in an open container
adding a catalyst to decrease the amount of activation energy needed
hydrogen peroxide becomes water
by using coefficients
the formation of a precipitate
periods
How does one balance an unbalanced chemical equation?
the reactants are what you start with and the products are what you end up with
exothermic
in an open container
adding a catalyst to decrease the amount of activation energy needed
hydrogen peroxide becomes water
by using coefficients
the formation of a precipitate
periods
What are the horizontal rows of the Periodic Table called?
the reactants are what you start with and the products are what you end up with
exothermic
in an open container
adding a catalyst to decrease the amount of activation energy needed
hydrogen peroxide becomes water
by using coefficients
the formation of a precipitate
periods
Which of the following would speed up the rate of a chemical reaction?
the reactants are what you start with and the products are what you end up with
exothermic
in an open container
adding a catalyst to decrease the amount of activation energy needed
hydrogen peroxide becomes water
by using coefficients
the formation of a precipitate
periods
The release of heat from the exhaust pipe of a car is an example of what kind of chemical reaction
the reactants are what you start with and the products are what you end up with
exothermic
in an open container
adding a catalyst to decrease the amount of activation energy needed
hydrogen peroxide becomes water
by using coefficients
the formation of a precipitate
periods
Which of the following is always true of reactants and products in a chemical equation?
the reactants are what you start with and the products are what you end up with
exothermic
in an open container
adding a catalyst to decrease the amount of activation energy needed
hydrogen peroxide becomes water
by using coefficients
the formation of a precipitate
periods
Which of the following is a sign that a chemical reaction has taken place?
the reactants are what you start with and the products are what you end up with
exothermic
in an open container
adding a catalyst to decrease the amount of activation energy needed
hydrogen peroxide becomes water
by using coefficients
the formation of a precipitate
periods
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