Describe the factors influencing chemical bonds and the characteristics of an ionic and a covalent bond.

What is the density of the black hole

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?