Chemistry, 21.12.2020 19:50 joshuabm42407
A piece of chalk becomes shorter as it is used. Which of the following is NOT true of the shorter piece of chalk?
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O A. Its mass has changed.
OB. Its shape has changed.
O C. Its volume has changed.
OD. Its characteristic properties have changed.
Answers: 1
Chemistry, 22.06.2019 03:00
Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.
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Chemistry, 22.06.2019 09:00
What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.
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Chemistry, 22.06.2019 13:00
Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?
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A piece of chalk becomes shorter as it is used. Which of the following is NOT true of the shorter pi...
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