How many oxygen atoms in 2.28 mol HNO3?

Which changes of state result in a decrease in the kinetic energy of the particles?

A sample of an unknown liquid has a volume of 30.0 mL and a mass of 6g. What is its density?

What is the molar mass of SF2

Calculate the molarity of the solution. Use the periodic table if necessary. A salt solution with a volume of 250 mL that contains 0.70 mol NaCl.

If the concentration of an analyte in a solution prepared by digesting a 2.05 g solid sample and making up to 100 mL, is found to be 21.1 mg L-1. What was the mass percentage of the analyte in the original sample?

A mixture contains two or more substances chemically combined while a compound contains two or more substances physically combined. True False

C AL = - 4.184 * 39.85 * 4.7 : 11.98 * (-72.9)

2 CO (g) + O2 (g) → 2 CO2 (g)

3h2 (g) + o3 (g) 3h20 (g) arrow after the o3 (g) whats the overall enthalpy?

For the reaction represented by the equation cl2 + 2kbr ® 2kcl + br2, calculate the percentage yield if 200. g of chlorine react with excess potassium bromide to produce 410. g of bromine.