Which factors affect the movement of the ocean currents? Select the three correct answers.

A. The deployment of drifter buoys.

B. The rotation of Earth's axis.

C. The temperature of ocean water.

D. The differences in water density.

What is the difference between radiant energy, sound energy and electric energy?

40.0% C, 6.72% H, 53.29%, O. Molar mass is 60 g/mol. Determine the empirical and molecular formula.

You place 10 grams of a salt into water and want it to dissolve. All of the following will cause a salt to dissolve faster except for which one?

Rank the compounds in each group according to their reactivity toward electrophilic substitution. 1 = most reactive; 3 = least reactive. a. benzaldehyde p-methylbenzaldehyde p-chlorobenzaldehyde b.

A 2.50 L sample of a gas at 1.00 atm is subjected to 1.25 atm of pressure at constant temperature. What is the new volume of the gas?

When K-37 undergoes positron emission, what is the resulting atom? A) K-37 B) K-38 C) Ar-37 D) Ar-38

Consider the following reaction where Kp = 4.55*10-5 at 723 K: N2 (g) + 3H2 (g) ⇋ 2NH3 (g) a) If the three gases are mixed in a rigid container at 723 K so that the partial pressure of each gas is initially one atm, what will happen?

Which terms are used to identify pure substances? (1) an element and a mixture (2) an element and a compound (3) a solution and a mixture (4) a solution and a compound

Which of the following polyatomic ions will form an ionic compound with two sodium ions? CO32- HCO31- NO21- NO31-

What is hybridisation