What change in energy occurs when you burn coal or petroleum? potential energy is converted to chemical energy chemical energy is converted to thermal energy electrical energy is converted to mechanical energy nuclear energy is converted to electrical energy?

The length of a vector arrow represents its magnitude and the point represents its direction true or false apex

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign