Fluorine gas at 300 k occupies a volume of 500 ml to what temperature should it be lowered to bring the volume to 300 ml

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?

What property of an object determines its inertia?