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Which of the following are products and reactants of a chemical reaction most likely to have in common?
New molecules are formed
A color change occurs.
product
endothermic
atoms
the bonds of a molecule
exothermic
photosynthesis by a plant
Which of the following stores chemical energy?
New molecules are formed
A color change occurs.
product
endothermic
atoms
the bonds of a molecule
exothermic
photosynthesis by a plant
Which of the following occurs when gasoline is burned?
New molecules are formed
A color change occurs.
product
endothermic
atoms
the bonds of a molecule
exothermic
photosynthesis by a plant
A reaction in which the products contain more chemical energy than the reactants is
New molecules are formed
A color change occurs.
product
endothermic
atoms
the bonds of a molecule
exothermic
photosynthesis by a plant
The substance that is formed in a chemical reaction is called the
New molecules are formed
A color change occurs.
product
endothermic
atoms
the bonds of a molecule
exothermic
photosynthesis by a plant
A type of endothermic reaction is
New molecules are formed
A color change occurs.
product
endothermic
atoms
the bonds of a molecule
exothermic
photosynthesis by a plant
A type of reaction that produces an increase in temperature is
New molecules are formed
A color change occurs.
product
endothermic
atoms
the bonds of a molecule
exothermic
photosynthesis by a plant
Which these is not a sign of a chemical reaction?
New molecules are formed
A color change occurs.
product
endothermic
atoms
the bonds of a molecule
exothermic
photosynthesis by a plant
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