Atank contains helium gas at 490 mmhg, nitrogen gas at 0.75 atm, and neon at 520 torr. what is the total pressure in atm? (don't forget to convert pressure units and sig fig rules)

Acar tire has a pressure of 2.38 atm at 15.2 c. if the pressure inside reached 4.08 atm, the tire will explode. how hot would the tire have to get for this to happen? report the temperature in degrees celsius.

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

What are the chemical names of these compounds? ke: mg3n2: reset next