How does friction affect energy transformation

Describe how heat, temperature, and heat capacity are all related

Baking a cake is an example of - a. forming mixtures. b. forming solutions. c. exothermic reactions. d. endothermic reactions.

Which of the following factors would explain why 50 grams of iron powder reacts faster than a 50 gram solid block of iron? a. Temperature b. Concentration of Reactants c. Particle Size d. Agitation e. Catalysts f. Nature of reactants

Which statement is true about a catalyst? A) It decreases the rate of a reaction. B) It remains unused during the reaction. C) It reduces the collisions between reactants. D) It changes the final products of the reaction.

Which situation is an example of heat transfer by radiation? Question 1 options: An ice cube melts while being held in the hand. Hot soup rises to the top of the bowl while cooler soup sinks to the bottom.

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda