: WHAT ENERGY CONVERSIONS ARE INVOLVED IN THE FOLLOWING? 1. Burning of fuels.
2. Connecting a battery to a filament lamp.
3. In an electric torch.
4. Hammering a nail into a wooden block.

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms

What metric units would you use to measure the thickness of a key