What chemical reaction does this equation represent?
2kcl + pb(no3)2 = 2kno3 + pbcl2

a: two molecules of potassium nitrate and one molecule of lead chloride react to form one molecule of lead nitrate and two molecules of potassium chloride.

b: one molecule of potassium nitrate and one molecule of lead chloride react to form one molecule of lead nitrate and one molecule of potassium chloride.

c: two molecules of potassium chloride react with two molecules of lead nitrate to form one molecule of potassium nitrate and two molecules of lead chloride.

d: two molecules of potassium chloride react with one molecule of lead nitrate to form two molecules of potassium nitrate and one molecule of lead chloride.

Describe in detail the melting point behavior of the 80: 20 benzoic acid-mandelic acid mixture

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

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