A baker touches a pie right after taking it out of the oven. Which statement best explains why the pie feels hot?
O Molecules in the skin move faster than molecules in the pie, so heat is transferred to the pie.
O Molecules in the pie move faster than molecules in the skin, so heat is transferred to the skin.
O Molecules in the skin move faster than molecules in the pie, so heat is transferred to the skin.
O Molecules in the pie move faster than molecules in the skin, s heat is transferred to the pie.

Sex cells from female reproductive organ? 1) mitosis 2) fertilization 3) zygote 4) eggs 5) meiosis 6) sperm

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.

Cryolite, na3alf6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. start this question by first balance the chemical equation.1.) balance the equation: - alo3(s)+naoh(l)+hf(> na3alf6+h2o(g). 2.) if 17.5 kilograms of al2o3(s), 51.4 kilograms of naoh(l), and 51.4 kilograms of hf(g) react completely, how many kilograms of cryolite will be produced? 3.)which reactants will be in excess, (al2o3, naoh, or hf) 4.)what is the total mass of the excess reactants left over after the reaction is complete in kg?