Dry ice sublimes into carbon dioxide gas. If the proper conditions are maintained and the system is closed, the dry ice and the carbon dioxide gas will eventually

Are the results of a thoroughly tested hypothesis?

If you fill your car tire to a pressure of 32 psi (pounds per square inch) on a hot summer day when the temperature is 35°c (95°f), what is the pressure (in psi) on a cold winter day when the temperature is -15°c (5°f)? assume no gas leaks out between measurements and the volume of the tire does not change.

For a reaction delta h= -286 kj. when is the reaction spontaneous a: when t delta s = 2(-286 kj) b: when t delta s= -286 kj c: when t delta s < -286 kj d: when t delta s > 0