How many protons are in the nucleus of the isotope in-115?

What element has the least metallic character B, C, F, Li or Na?

What happens when you mix an acid and a base?

How could you separate I mixture of marbles, corks, and nails?

What is the number of moles of solute in 650ml of a 0.40M solution?

What mass of water is produced from the complete combustion of 7.10*10-3 g of methane? Express your answer with the appropriate units.

A mixture of He He, N 2 N2, and Ar Ar has a pressure of 22.1 22.1 atm at 28.0 28.0 °C. If the partial pressure of He He is 2475 2475 torr and that of Ar Ar is 1049 1049 mm Hg, what is the partial pressure of N 2 N2?

Oceans make the temperaturs of nearby land more extreme ... True or false

The Greek letter D stands for A. Mass of B. Rate of C. Change in D. Heat stored in

14. Two or more substances that are together but do not combine to form a new, pure substance.

A solution of a compound with a known extinction coefficient of 23,100 M-1cm-1 has an absorbance of 0.735 in a 1.30cm path length, what is the concentration of the solution