BRAINLIEST!! Pls help! The pressure of a nitrogen gas, N2, cylinder is measured at 250 k and found to be 4.0 atm. What is the pressure of the same cylinder of room temperature, 293k? • -3.48
• 4.69 atm
• 3.41 atm
• 3.48 atm

Acetylene gas c2h2 undergoes combustion to produce carbon dioxide and water vapor how many grams of water are produced by the same amount of c2h2?

If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?

Which change will decrease the number of effective collisions during a chemical reaction? a. adding a catalyst b. increasing the surface area c. decreasing the temperature d. increasing the reactant concentrations e. increasing the volume of the reactants