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In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j
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Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
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Chemistry, 23.06.2019 10:30
Chemical bonds result from the interaction of the from two or more atoms. a. protons b. electrons c. neutrons d. nuclei
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calculons la convention ( mol/L) d'une solution qui contient 4g de glucose (C6H12O6) et dont le volu...
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