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Author Question: How many kilocalories of heat would be needed to melt 0.12 kg of ice at 0C and increase the ... (Read 17 times)

NClaborn

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on: Jul 28, 2018
How many kilocalories of heat would be needed to melt 0.12 kg of ice at 0C and increase the temperature to 25C?

Question 2

Two nuclei may have equal Z, but different A, because they contain
 a. equal numbers of protons and neutrons.
  b. equal numbers of protons but different numbers of neutrons.
  c. different numbers of protons but equal numbers of neutrons.
  d. different numbers of protons and neutrons.
  e. electrons as well as neutrons.


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Kaytorgator

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Reply #1 on: Jul 28, 2018
Answer to Question 1

13 kcal

Answer to Question 2

b


NClaborn

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Reply 2 on: Jul 28, 2018
Gracias!

juliaf

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Reply 3 on: Yesterday
:D TYSM

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