Chemistry, 28.01.2020 11:31 natalie3734
Which of the following is the closest to the observed abundance of 71ga, one of two stable gallium isotopes (69ga and 71ga). the answer in the book shows 40%, and i have absolutely no idea how to solve this. !
Answers: 1
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Calculate the number of molecules present in 0.750 mol of mgo.
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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
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What best discribes the relationship between wavelength and frequency in a electromagnetic wave
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Which of the following is the closest to the observed abundance of 71ga, one of two stable gallium i...
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