Which electron transition represents a gain of energy?

A. from 2nd to 3rd shell

B. from 2nd to 1st shell

C. from 3rd to 2nd shell

D. from 3rd to 1st shell

The rate law of the reaction NH3 + HOCl → NH2Cl + H2O is rate = k[NH3][HOCl] with k = 5.1 * 106 L/mol·s at 25°C. The reaction is made pseudo-first-order in NH3 by using a large excess of HOCl.

Do the periods on the periodic table represent the energy levels for atoms

In the number 12.345, the 4 is in the place.

How does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed?

How positive charge affect ionization energy

Which describes the polarity in a water molecule? a). partial negative charge on the oxygen atom because its electrons are pulled toward the hydrogen atoms b).

To what temperature in kelvin will a 2.3 L balloon have to be heated to expand to a volume of 400 L Assume the initial temperature of the balloon is 25 degrees celsius.

In which changes of state do atoms lose energy?

Can you live without body tissue? This is a yes or no question, no explaining required, but you can add it if you want. : D

According to the graph, which activity has used the largest amount of water over the past twenty years?