When is a solution said to be supersaturated?

Four liquids were poured on top of each other in a glass, and the liquids separated into four different layers. Which liquid had the lowest density?

Suppose you know the number of protons in an atom. What other information would you need in order to determine the mass of the atom? Explain your reasoning.

How many grams oxygen are present in 76.8g of CO2

An iron ore contains 39% Fe2O3 by mass. What is the maximum mass of iron that can be recovered from 13.2 kg of this ore?

Kati was in the kitchen when she heard a crash. She went into her bedroom and found her window broken and a baseball lying on the ground. Kati said "this baseball broke my window." This statement is an A.

The flow of energy in an ecosystem is the best described as energy moving in

Which bond other than the c-c bond is the least polar in the molecule?

The warmest temp ever measured in the us is 134 degrees F. Convert that temp to C and K

Compared to the oceanic crust the continental crust is usually

What is the study of matter called? O A. Chemistry O B. Philosophy O O C. Biology D. Physics