Calculate ΔGrxn for this equation, rounding your answer to the nearest whole number.

CaCO3(s) → CaO(s) + CO2(g)

ΔGf, CaCO3 = −1,128.76 kJ/mol

ΔGf, CaO = −604.17 kJ/mol

ΔGf, CO2 = −394.4 kJ/mol

Which actions would increase the rate at salt dissolves in water? stir the water? crush the salt? use less water? heat the water? cool the salt

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

Why does asexual reproduction result in offspring with identicle genetic variation