A gas has a volume of 80.0mL at a temperature of 293°C and 101.3kPa of pressure. What is the volume of the sample when the temperature changes to 586.0 K and the pressure to 50.65 kPa?

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer