How many particles are in on mole?

A 15.0 L tank of gas is contained at a high pressure of 8.20x10 4 torr. The tank is opened and the gas expands into an empty chamber with a volume of 6.00x10 4 L. Calculate the new pressure of the gas.

Which of the following statements is false? Vapor refers to a gas formed by evaporation of a liquid or sublimation of a solid. Solid water (ice), unlike most substances, is denser than its liquid form (water).

How many atoms are in 85.1 grams of neon

What could your family do to decrease the amount of trash you throw away?

How many seconds are there in 1.0 year?

Identify the element that chlorine forms a covalent bond with

A child pulls a sled up a snow-covered hill. The child does 405 J of work on the sled. If the child walks 15 m up the hill, how large of a force must the child exert?

A piece of glass with a mass of 32.50 g specific heat of 0.840 J/g*°C and an initial temperature of 115 °C was dropped into a calorimeter containing 57 g of water (specific heat 4.184 J/g*°C).

Which of the following is the most likely description of the product or products of a double-displacement reaction? A) one new compound B) two new compounds C) oxygen and energy D) one new compound and an element

A balloon is filled with 12L of air at a pressure of 2 atm. What is the volume of ballon if the pressure is changed to 3 atm?