How many grams are in 2.34 mol Co?

On a molecular level what process is responsible for releasing the energy and heat from fossil fuel molecules? A. burning B. Respiration C. Oxidation D. Carbonization

A sealed flask containing 1.0 mole of H2 (g) and a sealed flask containing 2.0 moles of He (g) are at the same temperature. The two gases must have equal

A chemist reacted 17.25 grams of sodium metal with excess chlorine gas. The chemical reaction is as follows Na + Cl2 → NaCl If the percentage yield of the reaction is 88%, what is the actual yield?

How is the periodic law demonstrated in halogens

What mass of sodium benzoate should be added to 150.0 ml of a 0.15 m benzoic acid solution in order to obtain a buffer with a ph of 4.25? (assume no volume change.) ?

The molecules of a substance are moving rapidly in a container. The molecules do not interact with each other. If the container is opened, the molecules will escape from the container.

Why is fluorine a gas?

What is the empirical formula for a compound if a sample contains 3.72g of p and 21.28g of cl?-pcl5-pcl3-p2cl10-p2cl5

Use the equation 2HgO--> 2Hg+O2 to find how many moles of mercury are produced if 27 g of oxygen are produced. 2.1 1.3 2.6 2.4

How much mass does an electron, proton, and neutron have?