Which of the following is unique for any given element? a. the number of neutrons b. the charge on the electrons c. the number of protons d. the mass of a neutron

How many grams of kmno4 are required to prepare 2.000 l of. 04000m kmno4 solutin that is used in titrating na2c2o4?

Spacing is often important in the name of a compound. For example, carboxylic acids are named using the parent carbon chain (with any branches specified), then a space, then the word "acid.

Volume increases, pressure stays the same, temperature

1. If you go twice as fast, your kinetic energy becomes: a. 2 times smaller b. 4 time smaller c. 2 times bigger d. 4 time bigger

2. You have 2 m3 of a mineral ore sample. It has a mass of 1 * 104 kg. Calculate the density of the ore sample and express your results in g/cm3 with appropriate scientific notation.

Balance the following redox equation in acidic solution using the smallest integers possible and select the correct coefficient for the H + (aq) ion.

Toussaint L' ouveeture lead a revolt that eventually resulted in Independence for

If a solution contains 1 x 106 hb molecules, how many o2 binding sites are available? if the solution of hb is 50% saturated with o2, how many binding sites are occupied by o2?

A. what are isotopes? b. how are the isotopes of a particular element alike? c. how are they different?

The line of longitude used as the origin in a system of coordinates