Which best describes the energy conversion that happens when windmills are used to make electricity?
A. Light energy to electrical energy
B. Chemical bond energy to electrical energy
C. Kinetic energy to electrical energy
D. Nuclear energy to electrical energy

219 grams of iron (iii) oxide reacts with excess carbon according to the reaction equation shown below. fe2o3 + c → fe + co2 after a scientist performs the chemical reaction they find the actual yield of iron to be 57.4 grams. calculate the percent yield of this chemical reaction.

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

1. true or false: minerals are inorganic. true false 2. inorganic means that something has never been found alive 3. halite is another name for and is a mineral with a cubic crystal pattern. table salt rock salt