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Mr. Wonderful

Hero Member
Posts: 866

on: Jul 28, 2018

How much heat is necessary to change 20 g of ice at 10C into water at 20C?

Question 2

Two nuclei which share the same mass number A always are (Hint: Eliminate any wrong answers.)
a. stable.
b. unstable.
c. isotopes.
d. isobars.
e. radioactive.

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pangili4

Sr. Member
Posts: 346

Reply #1 on: Jul 28, 2018

Answer to Question 1

2.1 kcal

Answer to Question 2

d

Mr. Wonderful

Hero Member
Posts: 866

Reply #2 on: Jul 28, 2018

Thank you!

pangili4

Sr. Member
Posts: 346

Reply #3 on: Jul 28, 2018

Always glad to help...

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