What is the ph of a 3x10-8M H + solution

A material with the density of 2.7 grams/mL occupies 35.6 mL. How many grams of the material are there?

How many s electrons does Ca + possess?

How many moles are in 1.0 * 10^9 atoms

How to convert 157 cs to seconds

What is an example of turning chemical energy into light energy?

If the caffeine concentration in a particular brand of soda is 2.85 mg/oz, drinking how many cans of soda would be lethal? Assume that 10.0 g of caffeine is a lethal dose, and there are 12 oz in a can.

Suppose that your favorite AM radio station broadcasts at a frequency of 1600 kHz. What is the wavelength in meters of radiation from the station? (Hint: convert kHz to Hz and find frequency first.)

Reaction rate lab report

The absence of which cell structure would indicate a cell is prokaryotic?

When 0.880 g of an organic compound containing carbon, hydrogen and oxygen is burned completely in oxygen, 1.760 g of co2 and 0.720 g h2 o are produced. what is the empirical formula of the compound?