The si base unit of temperature is called an

Which best describes eras and periods?

If you reacted 450 g of trimethylgallium with 300 g of arsine, what mass of gaas could you make?

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.