Answer:light bulb electrical energy to light energy alarm clock electrical energy to sound energy riding a bike electrical energy to chemical energy roller coaster electrical energy to mechanical energy
Explanation:
I dont need to explain Bc its rlly easy
Answer:The substance(s) to the left of the arrow in a chemical equation are called reactants. A reactant is a substance that is present at the start of a chemical reaction. The substance(s) to the right of the arrow are called products . A product is a substance that is present at the end of a chemical reaction.
Explanation:
The land is warm during the day. For example, if you near a sea early in the morning, you could see how cold, cool the place is.
A system that releases heat to the surroundings, an exothermic reaction, has a negative ΔH by convention, because the enthalpy of the products is lower than the enthalpy of the reactants of the system. The enthalpies of these reactions are less than zero, and are therefore exothermic reactions