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Author Question: Which contracts more when the temperature is decreased? Equal volumes of A) iron. B) wood. C) ... (Read 96 times)

sjones

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on: Jul 29, 2018
Which contracts more when the temperature is decreased? Equal volumes of
 
  A) iron.
  B) wood.
  C) water.
  D) helium.
  E) all contract the same

Question 2

A kg of 40C water and a kg of 20C water, after being mixed, have a temperature of 30C. However, the final temperature of a 1-kg iron block at 40C placed into 1 kg of water at 20C is
 
  A) less than 30C.
  B) at or about 30C.
  C) more than 30C.


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karlss

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A


sjones

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Reply 2 on: Jul 29, 2018
Excellent

Sarahjh

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Reply 3 on: Yesterday
:D TYSM

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