Find the AH° for the reaction of two moles of aqueous ammonium hydroxide and one mole of aqueous calcium chloride that produces two moles of aqueous ammonium
chloride and one mole of solid calcium hydroxide.
2NH4OH(aq) + CaCl2(aq) 2NH4Cl(aq) + Ca(OH)2(s)

A) -31.04kJ

B) -1585.41kJ

C) -67.2kJ

D) -3103.61kJ

E) -1518.2kJ

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

For what value of (y) is 3^3/3^y =1/9