Chem

The temperature of a sample of water is changed from 10 degree C to 30 degree C. he same change in Kevin degrees would be

1) 20
2) 100
3) 303
4) 273

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3. 👁 47
1. Is 20 the correct answer?

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2. 1 degree K = 1 degree C so delta T is the same in K and C (the temperature READING is not the same but the temperature DIFFERENCE is the same. So 30-10 = 20
You can prove that if you wish by changing C to K.
10C = 273 + 10 = 283
30C = 273 + 30 = 303
Then 303 - 283 = 20 voila!

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3. 303

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posted by laura

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