Moles 1.5 mol
Volume
15.4 L
Temperature 430
K
The pressure of the gas shown above is
atm.
R = 0.08206 L. atm/K-mol
Answer in 3 significant figures.

Cobalt-60 is an artificial radioisotope that is produced in a nuclear reactor and is used as a gamma-ray source in the treatment of certain types of cancer. if the wavelength of the gamma radiation from a cobalt-60 source is 1.00 × 10-3 nm, calculate the energy of a photon of this radiation.

Classify each statement about effective nuclear charge, zeff, as true or false.

Balance this equation: n2 + h2 > nh3, write the following molar ratios: n2 / n2 / nh3 h2 /