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Chemistry · Unit 1 · Chemical reactions — reactants, products and energy change · Chemical reactions

State that heat is a form of energy, and that temperature is a measure of the average kinetic energy of the particles.

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Question 1

When a beaker of water at room temperature is heated, the temperature of the water increases. Which statement correctly describes the energy change that occurs?

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Question 2

Which statement correctly distinguishes between heat and temperature?

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State that a mole is a precisely defined quantity of matter equal to Avogadro’s number of particles.
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State the law of conservation of mass.
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