What is the purpose of the prefixes in the metric system?

What is the ph of with a 4.6 x 10-6 M hydroxide ion concentration? A. 0.663 B. 3.33 C. 10.1 D. 10.7

What happens to the pressure of the gas in an inflated expandable ballon if the temperature is increased?

Radioactive isotope has a half-life of 1.2 billion years. as measured by the presence of the isotope and its stable decay product, a rock originally contained 10 grams of the radioactive isotope, and now contains 1.25 grams.

For the reaction 2NOBr (g) ↔ 2NO (g) + Br2 (g), when the concentrations are [NOBr] = 0.10 m, [NO] = 0.010 M, and [Br2] = 0.0050 M, what is the equilibrium constant of this reaction? A. 5.0 * 10-5 M B. 0.000005 M C. 5.0 * 105 M D. 5.0 M E.

In an s orbital, the probability of finding an electron a particular distance from the nucleus can best be determined by the

4 What would the volume of a gas be at - 150°C, if it had a volume of 693 mL at 45°C?

How long does nicotine stay in your system

Compare the densities among the three states of matter (which is highest, lowest?)

Epsom salts (magnesium sulfate) have a solubility of 26.2 grams. If you dissolved 26.0 grams of Epsom salts in 100 g of water at 20 degrees Celsius, what type of solution would this be?

An airplane model is an example of what type of model