Calculate the wavelength of a photon having energy of 1.257 X 10-24 joules. (Planck’s constant is 6.626 x 10-34 joule seconds; the speed of light is 2.998 x 108 m/s)
A.
5.10 m
B.
6.327 m
C.
0.324 m
D.
0.158 m

2. how is heavy water different from normal water

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same