What can rocks tell paleoclimatologists about Earth’s atmosphere at the time that the rock was forming?

Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Why doesn't heat added to water make the tempature rise above 100c