Chemistry, 24.10.2019 01:20 brok3morgan
Which statement best describes the difference between a physical change and a chemical change?
a chemical change results in a new element being formed, and a physical change results in a new compound being formed.
a physical change is a change from one state of matter to another; a chemical change results in a new substance formed.
a chemical change does not result in a new substance being formed, whereas a physical change does.
a physical change produces a new element, and a chemical change results in a bond breaking between atoms.
Answers: 3
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Chemistry, 22.06.2019 23:40
What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.
Answers: 1
Which statement best describes the difference between a physical change and a chemical change?
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