if a gas under 2,39.4 Kpa of pressure has volume of 13L at 50 c and the temperature is decreased to -20 c while its pressure decreases to 220.3 Kpa What is the new volume ? HELP ME PLEASE WITH EXPLANATION ("LIKE SHOWIG WORK") 20 POINTS ? THIS IS HW BY THE WAY AS SOON AS POSIBLE

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car