One hot day, after adding fertilizer to the soil for her flowers, Joann notices that their petals change from pink to purple. Intrigued, she stops to smell her flowers to see if their scent has changed.
Which indicates a chemical change in the scenario?
energy change
formation of a gas
color change
release of an odor
Answers: 3
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A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?
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One hot day, after adding fertilizer to the soil for her flowers, Joann notices that their petals ch...
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