At constant pressure, 50.0 mL of a gas at 20.0 °C is heated to 30.0°C. What is the new volume of the gas sample, in mL? HELP URGENT!!!

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure