Calculate the total amount of heat absorbed (in kJ) when 36.0 g of ice at −30.0 degrees C is converted to steam at 140.0 degrees C.

Rutherford's experiment indicated that matter was not as uniform as it appears what part of his experimental results implied this idea

Embryos of different species look very similar, which shows that the organisms share a ancestor.

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m