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According to the law of conservation of mass, the total mass of the reacting substances is
exothermic reaction
double replacement
liquid
double replacement
There are more oxygen atoms on the right side of the arrow then on the left side.
decomposition
always equal to the total mass of the products.
the same as the number of atoms in the reactants
When two aqueous solutions mix and two things trade places with each other, a ______ reaction has occurred
exothermic reaction
double replacement
liquid
double replacement
There are more oxygen atoms on the right side of the arrow then on the left side.
decomposition
always equal to the total mass of the products.
the same as the number of atoms in the reactants
In chemical reactions, the number of atoms in the product is __________.
exothermic reaction
double replacement
liquid
double replacement
There are more oxygen atoms on the right side of the arrow then on the left side.
decomposition
always equal to the total mass of the products.
the same as the number of atoms in the reactants
The symbol (aq) means:
exothermic reaction
double replacement
liquid
double replacement
There are more oxygen atoms on the right side of the arrow then on the left side.
decomposition
always equal to the total mass of the products.
the same as the number of atoms in the reactants
What type of reaction is the following: 2NaCl + H2SO4 = Na2SO4 + 2HCl
exothermic reaction
double replacement
liquid
double replacement
There are more oxygen atoms on the right side of the arrow then on the left side.
decomposition
always equal to the total mass of the products.
the same as the number of atoms in the reactants
Which statement correctly describes how the following chemical equation violates the law of conservation of mass? H2 + O2 → 2HO2
exothermic reaction
double replacement
liquid
double replacement
There are more oxygen atoms on the right side of the arrow then on the left side.
decomposition
always equal to the total mass of the products.
the same as the number of atoms in the reactants
Meals, Ready to Eat are an instant hot meal developed by the U.S. military for troops. The meal heats up when water is added to the magnesium metal tray because the chemical reaction between water and magnesium is an _________.
exothermic reaction
double replacement
liquid
double replacement
There are more oxygen atoms on the right side of the arrow then on the left side.
decomposition
always equal to the total mass of the products.
the same as the number of atoms in the reactants
AB ---- A + B is a ______ reaction
exothermic reaction
double replacement
liquid
double replacement
There are more oxygen atoms on the right side of the arrow then on the left side.
decomposition
always equal to the total mass of the products.
the same as the number of atoms in the reactants
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