How much heat energy is required to melt 9.65 moles of Ice? A Huston= 6.01 kJ/mol

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

What volume of a 0.0606 m solution of strontium bromide is needed to obtain 0.340 mol of the compound? question 42 options: a)5.61 l b) 3.4 l c) 600 ml d) 1 l e) 178 ml

What is the mass of naoh that would have to be added to 500 ml of a solution of 0.20 m acetic acid in order to achieve a ph of 5.0?