A student puts a glass of water in the freezer. Later, he notices ice forming on the surface of the water. Which property of water best explains why ice forms on its surface?

The ksp value for lead (ii chloride is 2.4 * 10?4. what is the molar solubility of lead (ii chloride?

Which of the following statements are true? Compounds that can form more hydrogen bonds are more soluble in water. Smaller compounds are generally more soluble in water than larger compounds with similar structures.

What is in the center of an atom? what is this portion of the atom called?

A steeper curve on a reaction rate plot corresponds to: a. higher temperature and higher concentration conditions c. larger pieces of reactants b. a gmore endothermic reaction d. a reaction in equilibrium

How many periods are on the periodic table?

What is the percent yield if 0.3 mol ba (no3) 2 and 0.25 mol na3po4 react to produce 0.095 mol ba3 (po4) 2?

A compound is a pure substance. It can not easily be broken down into parts by physical means. A) True B) False

How do you use the periodic table to find the matter, number of subatomic particles, family name, reactivity, and number of valence electrons?

You see rainforests a is far as the eye can see It rains every day and the humidity is fiercel Where might you be? Polar climate Tropical climate Subtropical climate Temperate climate

What is the evaluation of 60.1 x - 9.2? (I pressed chemistry, but I ment to press mathematics, sorry!)