In a calorimeter, 100 g of ice melts at 0oC. The enthalpy of fusion of the ice is 334 J per g. How much heat was absorbed? options:

33.4 J

334 kJ

33.4 kJ

334 J

Which of these conditions most likely produces an unstable isotope?

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.