What is the ph of the solution in which the h + is 1.0 x10-4 mol/l

A. 14.00

B. 10.00

C. 4.00

D. 1.00

Helium is considered a noble gas because it has a ___ valence electron shell.

Calculate the density of propanol c3h8o if you know that there are 1.069*1025 molecules of propanol in 1.35 l.

A solution is prepared by dissolving 0.23 mol of benzoic acid and 0.27 mol of sodium benzoate in water sufficient to yield 1.00 L of solution. The addition of 0.05 mol of NaOH to this buffer solution causes the pH to drop slightly.

Liquid water heats up and cools down slowly. What causes this property? Water expands when it freezes. Water is a good solvent. Water forms hydrogen bonds. Water is a nonpolar molecule.

Which element would have properties characteristic of both a metal and a nonmetal

Balance the combustion eqation; __C5H + __O2 - - - > __CO2+__H2O

The dimerization of NO2 has a rate constant at 25 degrees Celcius of 2.45x10^-2 L/mol min. What will be the concentration of NO2 after 120 seconds, given a starting concentration of NO2 of 11.5 mol/L?

A break in the earth's surface between two blocks of rock that have moved past each other is called - a fault - a gauge - a plateau - a trench

What time of the day would you be most likely to find that the air over water is significantly warmer

In terms of spacing what is necessary to change from a solid to a liquid