A gas sample with a mass of 0.467 g is collected at 20 0C and 0.96 atm. the volume is 200 mL. what is the molar mass of the gas?

Calculate the molarity of the solution that results when 45.0 g of KOH is dissolved in enough water to make 250.0 ml of solution? a. 2.24 mol/L b. 0.312 mol/L c. 3.21 mol/L d. 0.180 mol/L e. 45.0 mol/L

What is chemical potential energy? How is gasoline used as kinetic energy? How is dynamite used as kinetic energy?

What does a "fixed amount of fuel" mean?

What is the speed of a wave that has a wavelength of 2 m and a frequency of 1.5 Hz?

Why are Noble gases inert? A. They cannot form bonds because they have 0 electrons in their valence shell. B. They are actually so reactive that they bond instantly with any substance they touch.

The equilibrium constant for the production of carbon dioxide from carbon monoxide and oxygen is kc=2*1011 this means that the reaction mixture at equilibrium is likely to consist of

Arrange these compounds in order of increasing standard molar entropy at 25°C: C3H8 (g), C2H4 (g), ZnS (s), and H2O (l).

A gas has a temperature of 14 degrees C and volume of 4.5 liters. If the temperature is raised to 29 degrees C and the pressure is not changed, what is the new volume of the gas? .

What groups of elements do not have a charge and why

How many grams of Br are in 2.0 moles of CaBr2?