Which best defines what a mole represents in chemistry?
the total number of protons and neutrons contained in any substance
the total number of protons and neutrons contained in any substance
the amount of chemical substances that contain
6.02
Γ
10
23
chemical units
the amount of chemical substances that contain 6.02 Γ 10 23 chemical units
the number of molecules of solute dissolved in one liter of a solvent
the number of molecules of solute dissolved in one liter of a solvent
the standard unit for mass in the International System of Units
the standard unit for mass in the International System of Units
Answers: 3
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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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Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released
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Which best defines what a mole represents in chemistry?
the total number of protons and neutrons co...
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