What happens to the energy produced by burning gasoline in a car engine?
The energy is transformed into work to move the car.

The energy is lost as heat in the exhaust.

The energy heats the parts of the engine.

All of the answer choices

Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?

4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.

How many valence electrons are in atom of radon?