Chemistry, 18.10.2019 00:00, payshencec21
Which statement best describes a physical change?
changes can occur to certain chemical properties of the substance, but the overall shape of the substance will remain the same.
changes can occur to certain physical properties of the substance, but the overall shape of the substance will remain the same.
changes can occur to physical properties of a substance, but the chemical composition of the substance remains the same.
changes can occur to chemical properties of a substance, but the chemical composition of the substance remains the same.
Answers: 3
Chemistry, 23.06.2019 01:00, breemills9552
What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds
Answers: 1
Chemistry, 23.06.2019 04:20, milkshakegrande101
The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.
Answers: 1
Which statement best describes a physical change?
changes can occur to certain chemical...
changes can occur to certain chemical...
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