What contributes to more water vapor being in the air in the tropics? O More liquid water available.
O More snow.
Less wind.
More clouds.

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. in the first step, calcium carbide and water react to form acetylene and calcium hydroxide: cac2 (s) + 2h2o (g) → c2h2 (g) + caoh2 (s) =δh−414.kj in the second step, acetylene, carbon dioxide and water react to form acrylic acid: 6c2h2 (g) + 3co2 (g) + 4h2o (g) → 5ch2chco2h (g) =δh132.kj calculate the net change in enthalpy for the formation of one mole of acrylic acid from calcium carbide, water and carbon dioxide from these reactions. round your answer to the nearest kj .

How many neutrons does an element have if its atomic number is 50 and its mass number is 166