Find the oxidation number of chromium in K2Cr2O7

What are all the possible sets of quantum numbers associated with electrons located in the orbitals of the 5p subshell of an atom?

The gas particles in a bicycle tire increase in speed based on the statement, what will most likely happen as the gas particles increase in speed? (select all that apply) A. the kinetic energy of the gas particles will increase B.

Which forms of energy are used when: (a) you ride in an automobile? (b) you bounce a basketball? (c) you boil water to make hot chocolate?

If about 47,000 metric tons of sulfuric acid are industrially produced every year in a u. s. state, how many moles are produced?

When energy is transferred from the air to the water, what happens to most of the energy? A. It travels through the water. B. It moves the water forward C. It refracts off the surface of the water D. It causes the water to condense.

Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4NH3 (g) + 5O2 (g) → 4NO (g) + 6H2O (g) Also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the

What is the name of the outermost layer that forms a boundary around the outside of each cell

Intact cells of two unknown cell types were placed into solutions with different concentrations of NaCl. Type I cells swelled and burst in the solution with the lowest concentration of NaCl.

Write a checklist with at least three entries for how you can evaluate whether scientific information is reliable.

Which is the following closest to the thickness of a dime 3 kilometer, 3 milmeters 30 centimeter, or 30 meters