Express the answer in scientific notation and with the correct number of significant figures: (6.32 x 10-4) : 12.64

Your answer should have the same number of significant figures as the starting measurement.

872.4 mm =

Examine the three isotopes of potassium (K) below. potassium-41, potassium-39, potassium-40 Which answer choice lists these isotopes in the order of having the least amount of neutrons to having the most amount of neutrons?

What is the charge on the Few ion in the ionic compound FeCl³?

A solution is made by dissolving 3.60 g of sodium chloride in water to a final volume of 115 mL solution. What is the weight/weight % or percent by mass of the solute? Use 1.00 g/mL for the density of the solution. tortovt here

A radioactive material has a count rate of 1600 counts per minute. It has a half life of 20 minutes. How long will it take to decay to a rate of 100 counts per minute?

What is the relationship between valence electrons and the number of bonds that can be formed?

Can anyone tell me how to balance chemical equations

Nomadic people received income from where

How many milliliters of 0.755 m h2so4 solution is needed to react with 55.0 ml of 2.50 m koh solution? given: 2 koh (aq) + h2so4 (aq) → 2 h2o (l) + k2so4 (aq) ?

Ammonia is among the top ten synthesized compounds. Its many uses include the manufacture of ammonium nitrate and other fertilizers. Ammonia decomposes at high temperatures. In an experiment to explore this behavior, 2.

How to seperate sand and water