4. I have an unknown volume of gas held at a temperature of 501 K in a container with a pressure of 55.1 atm. If by increasing the temperature to 429 °C and decreasing the pressure to
33.3 atm causes the volume of the gas to be 29.0 liters, how many liters of gas did I start
with?
Please help quick guys

What term describes technology that operates on an atomic level

What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j

A2.5% (by mass) solution concentration signifies that there is a 2.5 % (by mass) solution concentration signifies that there is blank of solute in every 100 g of solution. of solute in every 100 g of solution