Chemistry, 27.08.2020 23:01 20jhuffman
Find the pH of the resulting solution when 50cm3 0.008mol/dm3 of trioxonitrate(v) solution is added to 100cm3 of 0.5mol/dm3 of sodium hydroxide solution. Which of the solutions is in excess and by how much??
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Chemistry, 21.06.2019 22:30
Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0
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Chemistry, 22.06.2019 04:00
The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed
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Chemistry, 22.06.2019 07:20
Part b: study of equilibrium on solubility: mg(oh)2(s) β mg2+(aq) + 2 ohβ(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 13:30
Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.
Answers: 2
Find the pH of the resulting solution when 50cm3 0.008mol/dm3 of trioxonitrate(v) solution is added...
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