In a closed system, equilibrium is said to be dynamic. why?

Which types of orbitals are found in the principal energy level n = 2? A. s B. s, f c. s, d D. s, p E. s, p, d

Which statements about a sample of gas containing molecules of different masses are true? Check all that apply. A. The rms speed depends only on temperature, and so all types of particles in the sample have the same rms speed. B.

I'm trying to find the molarity of H2SO4 in this calculation. I attempted it but I still need someone to check my work. I used 10.00 mL of H2SO4 and the volume added to it was 24.97 mL of the 0.0924M NaOH solution.

Describe the relationships among energy absorption, heat energy, and temperature.

A pure substance is found to contain 53.7% fluorine and 46.3% xenon by mass. What is the empirical formula of this substance?

To calculate the h2co3 content of the blood, the nurse needs to measure the pco2 (partial pressure of co2) by its solubility coefficient. what is the solubility coefficient of co2?

There are four naturally occurring isotopes of the element chromium. The relative abundance of each is 50Cr - 4.345% 49.946044 amu 52Cr - 83.789% 51.940508 amu 53Cr - 9.501% 52.940649 amu 54Cr - 2.365% 53.

Which statement describes how amino acids combine to form the backbone structure of proteins? A. They form peptide bonds between the amino group of one amino acid and the carboxyl group of another amino acid. B.

I have lungs but no legs. My offspring are found in membranous-shelled eggs and use lungs to breathe.

What does atomic mass count?