What is the pH of a 8.7 x 10^-12 M OH - solution? pH = ?

Which of the following suggests that a physical change has taken place in an ice cube

What is the molar mass of Al2 (SO3) 3

If a hypothetical future Earth has increased the amount of radiation emitted to 604 W/m, calculate the hypothetical global surface temperature in degrees Kelvin and then in Celsius

Iron displaces copper from a solution of a copper salt. The reaction is deemed as a redox reaction. Give reason.

Sulfur has an atomic number of 16. what would be the valence number of this element?

Only a small amount of the energy used in an incandescent light bulb (regular bulbs commonly used in households) is actually converted into light.

Suppose we want to charge a flask with 1.9 g of sugar. We put the empty flask on a balance and it is determined to weigh 450 g. Enter the weight we would expect to see on the balance when we're done adding the sugar.

The billiard ball model was working model of the atom until Thomson discovered the

9474 millimeters to centimeters using scientific notation showing work

Element 107 (Bh) is formed when nuclei of element 109 (Mt) each emit an alpha particle. Nuclei of element 107, in turn, also each emit an alpha particle, forming an atom with a mass number of 262.