What evidence was used in the investigation of the Gaetane Bouchard's murder? Was it considered class evidence or individual evidence?

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

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?