Which is a physical change?
a)
burning wood
eliminate
b)
rusting metal
c)
cooking an egg
d)
freezing water

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

How many moles of gas are present if p=11 atm, v=12l, t=185k?

Iron (3) oxide will decompose in the presence of hydrogen gas and heater to produced iron and digydrogen monoxide white a balanced chemical equation