a manufacturer selected a metal to use in producing a lightweight button for clothing. a metal that has a density of 2.71 g/cm3

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.

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?