Is the temperature of rain a physical property?

the isotope of an atom contaning 40 protons and 51 neutons suddenlyhas 2 neutrons added to it. What isotope is created?

Select the sketches that show aqueous solutions of a strong and weak acid.

An alpha particle is identical to a:

What is energy? Give some examples

Calculate the enthalpy of the reaction h2 (g) f2 (g) → 2hf (g) using bond enthalpies and compare this value to the result obtained by using the standard enthalpies of formation.

Delta H equals 98.8 KJ, and Delta S equals 141.5 J/K. Is this reaction spontaneous or nonspontaneous at high and low pressure

Secondary consumers are eaten by?

What happens to atomic radius down a group?

The study of aquatic plants Oceanography or Biology?

A cube of an unknown metal is 1.25 inches on each side and has a mass of 128.3741 g. What is its' density?