How many moles of oxygen
are in 2.71x10’25 molecules of carbon dioxide ?

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.

Which is an example of a reversible physical change?