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Which of the following is a single replacement?
NaHCO3 and HCl
16.0 g
increases reaction rate
exothermic
electron
Bonds in the reactants are broken, and bonds in the products are formed.
mass is neither created nor destroyed
2Na + 2H2O = H2 + 1NaOH
Which of the following is a statement of the law of conservation of mass?
NaHCO3 and HCl
16.0 g
increases reaction rate
exothermic
electron
Bonds in the reactants are broken, and bonds in the products are formed.
mass is neither created nor destroyed
2Na + 2H2O = H2 + 1NaOH
In the following equation, what are the reactants? NaHCO3 + HCl = NaCl + H2O + CO2
NaHCO3 and HCl
16.0 g
increases reaction rate
exothermic
electron
Bonds in the reactants are broken, and bonds in the products are formed.
mass is neither created nor destroyed
2Na + 2H2O = H2 + 1NaOH
How are reactions related to chemical bonds?
NaHCO3 and HCl
16.0 g
increases reaction rate
exothermic
electron
Bonds in the reactants are broken, and bonds in the products are formed.
mass is neither created nor destroyed
2Na + 2H2O = H2 + 1NaOH
What type of reaction always releases energy?
NaHCO3 and HCl
16.0 g
increases reaction rate
exothermic
electron
Bonds in the reactants are broken, and bonds in the products are formed.
mass is neither created nor destroyed
2Na + 2H2O = H2 + 1NaOH
The mass of a hydrogen atom is 1.0 amu, and the mass of a carbon atom is 12.0 amu. What is the molar mass of methane, CH4?
NaHCO3 and HCl
16.0 g
increases reaction rate
exothermic
electron
Bonds in the reactants are broken, and bonds in the products are formed.
mass is neither created nor destroyed
2Na + 2H2O = H2 + 1NaOH
What particle is transferred from one atom to another in a redox reaction?
NaHCO3 and HCl
16.0 g
increases reaction rate
exothermic
electron
Bonds in the reactants are broken, and bonds in the products are formed.
mass is neither created nor destroyed
2Na + 2H2O = H2 + 1NaOH
In general, an increase in temperature
NaHCO3 and HCl
16.0 g
increases reaction rate
exothermic
electron
Bonds in the reactants are broken, and bonds in the products are formed.
mass is neither created nor destroyed
2Na + 2H2O = H2 + 1NaOH
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