Chemistry, 30.01.2020 19:05 tashaunalewis4786
Which of the following are chemicals? (1) clothing (2)food (3)fuels (4)all of the above
Answers: 1
Chemistry, 22.06.2019 08:30
Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?
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Chemistry, 23.06.2019 07:20
F1.5 mol of nabh4 react, how many moles of b2h6 are formed? 2 nabh4(aq) + h2so4(aq) → 2 h2(g) + na2so4(aq) + b2h6(g)
Answers: 1
Chemistry, 23.06.2019 10:00
An uncovered pot of water lies out in the sun. which statements correctly describe what happens at the surface of the liquid water? 1. the vapor pressure remains constant regardless of the water temperature. 2. the vapor pressure is produced by water molecules that have evaporated. 3. the vapor pressure increases as the sun heats the water in the pot. 4. evaporation stops once the vapor pressure reaches a certain point. 5. evaporation and condensation both occur on the liquid’s surface.
Answers: 3
Which of the following are chemicals? (1) clothing (2)food (3)fuels (4)all of the above...
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