How many minutes does it take light, at a speed of 3.00e8 m/s (meters per second) to travel a distance of 93 million miles from the Sun to the Earth?

Why are pipes bursting in the in extremely cold weather?

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next