What is one of the signs that a change is a chemical change?
A. A solution is formed.
B. A ne...
Answers: 1
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How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned
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Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
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