A classroom has a volume of 165 m^3. How many moles of gas
are in the room if the temperature
is 20.0°C and the pressure is
1.00 atm?
(Make sure to put P, V, and I
in the right units.)
(Unit = mol)

Why don't you see your reflection in water with waves or repples

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

Ascientific blank must be testable and capable of being proven false?