Dont understand the answer in simple terms.
suppose a bag of ice (450g) at 0.0°c sat on a counter and began to melt to liquid water. how much energy must be absorbed by the ice if 2/3 of it melted

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine