Chemistry, 11.12.2019 04:31 andrewjarrah05
Aproton is moving through a uniform electric field of 50 n/c that points west. what are the magnitude and direction of the proton’s acceleration? a) 9.6 x 107 m/s2, south b) 1.6 x 10-19 m/s2, north c) 4.8 x 109 m/s2, west d) 1.9 x 105 m/s2, west e) zero assume that the mass of the proton is 1.67 x 10-27 kg. choose the closest answer below.
Answers: 2
Chemistry, 21.06.2019 22:00
Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.
Answers: 1
Chemistry, 22.06.2019 07:20
Part b: study of equilibrium on solubility: mg(oh)2(s) ⇌ mg2+(aq) + 2 oh–(aq) cloudy clear (pink) 7. a. b. 8. a. b. 9. 10. 11. 12. when adding concentrated hydrochloric acid, how did the appearance of the equilibrium mixture change? the change in appearance indicated a shift in the point of equilibrium. in which direction did the equilibrium shift? (l) left (r) right explain your answer to question 7a. you should indicate which ion was added to or removed from the equilibrium mixture. when adding edta, how did the appearance of the equilibrium mixture change? the change in appearance indicated a shift in the point of equilibrium. in which direction did the equilibrium shift? (l) left (r) right explain your answer to question 8a. you should indicate which ion was added to or removed from the equilibrium mixture. upon heating in which direction is the equilibrium shifting? upon cooling in which direction is the equilibrium shifting? is the forward reaction a. endothermic explain your answers to questions 9, 10, and 11. (l) left (r) right (l) left (r) right b. exothermic
Answers: 1
Chemistry, 22.06.2019 14:30
Connect the whole numbers on the periodic table to indicate what they represent?
Answers: 3
Aproton is moving through a uniform electric field of 50 n/c that points west. what are the magnitud...
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