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Chemistry

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Jules Bahringer

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Cards in this guide (12)
How is energy transferred within the earth's atmosphere and throughout the oceans

by Convection

What are electrons in the outermost energy shell of an atom called

valence electrons

Which two subatomic particles have about the same mass

Protons and neutrons have about the same mass.

Which type of reaction is the burning of gasoline to release heat energy

an exothermic reaction

What term describes an energy resource that can be used up

nonrenewable energy

Which type of force is exerted on the bottom row of bricks in a building

compression

Which type of compound is composed of negatively and positively charged atoms

Ionic compounds are composed of negatively and positively charged atoms.

Is a substance with equal numbers of H ions of OH - ions an alkaline solution

No. If the number of H+ and OH- ions are equal then the solution is neutral. A solution is considered alkaline if it has more OH- ions than H+ ions.

What infroemation is needed to calculate the amount of energy needed to heat a volume of water to some temperature

You need to know the amount of water (mass), how many degrees you want to heat it up, and the specific heat of water. Then - if everything is in compatible units - you must simply multiply the three together.

What term best defines two or more atoms joined by a chemical bond-

The term that best defines two or more atoms joined by a chemical bond, is a covalent bond.

Which of the following processes would release energy

Condensation

Is Newton's first law also called the Law of Acceleration

No, Newton's first law is the law of inertia.

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