What is the mass of air occupying the same volume? the density of air at room temperature is 1.20 g/l.?

If the element whose electric configuration ends in the d sublevel, the element is calssified as? a. inner transition b. noble gases c. representative d. transition

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

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction