The density of air under ordinary conditions at 25oC is 1.19 g/L . How many kilograms (kg) of air are in a room that measures 11.0 ft * 11.0 ft and has an 10.0 ft ceiling?

If a 12-v battery is connected to a circuit that has a current of 3.0 a, what is the total resistance in the circuit? 36 ohms 4 ohms 0.25 ohms

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

What is the mass of 0.46 mil of mgcl2