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Physics, 21.06.2019 21:00
Iron reacts with sulfur to form iron sulfide. if 60 grams of iron reacts with sulfur to produce 90 grams of iron sulfide, how much sulfur has been used in the chemical reaction?
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Physics, 22.06.2019 18:50
What accounts for an increase in the temperature of a gas that is kept at constant volume? a. energy has been removed as heat from the gas. b. energy has been added as heat to the gas. c. energy has been removed as work done by the gas. d. energy has been added as work done by the gas.
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Physics, 23.06.2019 00:30
Due in 40 explain in terms of frame of reference if you’re inside a moving train everything on the outside can seem to be moving
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Physics, 23.06.2019 01:00
The smallest particle of an element that retains its identity in a chemical reaction. true or false
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Can you have p and KE with 0 kg mass why or why not?...
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