Chemistry, 30.11.2021 14:00, townselt6855
4) Mixtures of He and oxygen are used in scuba diving to help prevent “The
Bends". For a particular dive the total pressure in the tank is 15 atm. If the
partial pressure of oxygen is 6.0 atm, what is the partial pressure of He ?
Answers: 2
Chemistry, 21.06.2019 20:30, Averybeam300
Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right
Answers: 1
Chemistry, 22.06.2019 05:00, adrian128383
What forms when chemical reactions combine pollution with sunlight?
Answers: 1
Chemistry, 22.06.2019 07:20, rex1578
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 10:30, cheyennecarrillo14
If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5
Answers: 1
4) Mixtures of He and oxygen are used in scuba diving to help prevent “The
Bends". For a particula...
Mathematics, 04.02.2021 22:50
Mathematics, 04.02.2021 22:50
English, 04.02.2021 22:50
Mathematics, 04.02.2021 22:50
Spanish, 04.02.2021 22:50