What mass in grams is a sample of oxygen gas that has a volume of 45 L at a temperature of minus 73 degrees Celsius and a pressure of 3 atm? i need work

What effect might melting sea ice have for people who live in coastal areas?

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.

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?