Chemistry

9th -

12thgrade

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Thermodynamics

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16 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Do molecules generally move faster at 45 C or 106 C?

    45 C because molecules have more energy than in 106C

    106 C because molecules have more energy than in 45C

    106 C because molecules have less energy than in 45C

    45C because molecules have less energy than in 106 C

  • 2. Multiple Choice
    1.5 minutes
    1 pt

    When you place the metal in boiling water, heat flows from the _________ to the _______.

    metal to the boiling water

    bottom of the metal to the top half of the metal

    bottom of the water to the top of the water

    boiling water to the metal

  • 3. Multiple Choice
    30 seconds
    1 pt

    DON'T RUSH, YOU HAVE TIME.

    Water droplets condensing on the inside of a window on a cold day. Is this process exothermic or endothermic?

    Gases condense to form liquids. Gases are moving faster than liquids, the air around the window has a higher temperature/kinetic energy. Releasing energy to get water droplets, which is is Exothermic

    Gases condense to form liquids. Gases are moving faster than liquids, the air around the window has a higher temperature/kinetic energy. Releasing energy to get water droplets, which is is Endothermic

    Gases condense to form liquids. Gases particles are moving slower than liquids. Releasing energy to get water droplets, which is is Endothermic

    Gases condense to form liquids. Gases particles are moving slower than liquids. Releasing energy to get water droplets, which is is Exothermic

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