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swat32
3 years ago
10

Motohiro felt chilled by the rainy afternoon. He decided to make a cup of hot tea. He let the tea leaves steep too long and the

tea was bitter, Motohiro added some sugar to his tea to improve the flavor. After he stirred the sugar with the tea, he couldn’t see the sugar any longer.
Which statement best describes what happened to the sugar?

The sugar molecules disappeared.

The sugar molecules melted.

The atoms that make up the sugar were destroyed.

The sugar molecules mixed evenly with the tea

The sugar turned into a new substance.

(I don’t know the answer, my mouse is on a random one in the photo)
Thank you !

Chemistry
1 answer:
kati45 [8]3 years ago
8 0

Answer: the correct one would be option B.

Explanation:

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3 years ago
If the specific heat of a solution is 4.18 J/goC, and you have 296 mL (1.03 g/mL) which increases in temperature by 6.9 degrees,
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Answer:

Q = 8.8 kJ

Explanation:

Step 1: Data given

The specific heat of a solution = 4.18 J/g°C

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Step 2: Calculate the mass of the solution

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⇒ with Q = the heat in Joules = TO BE DETERMINED

⇒ with m = the mass of the solution = 304.88 grams

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⇒ with ΔT = the change in temperature = 6.9 °C

Q = 304.88 g * 4.18 J/g°c * 6.9 °C

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