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Author Question: 50 g of lead (c = 0.11 kcal/kg C) at 100C is put into 75 g of water at 0C. What is the final ... (Read 125 times)

misspop

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on: Jul 27, 2018
50 g of lead (c = 0.11 kcal/kg  C) at 100C is put into 75 g of water at 0C. What is the final temperature of the mixture?
 
  A) 2C
  B) 6.8C
  C) 13C
  D) 25C
  E) 50C

Question 2

In an electroplating process, it is desired to deposit 40.0 mg of silver on a metal part by using a current of 2.00 A.
 
  How long must the current be allowed to run to deposit this much silver? (The silver ions are singly charged, and the atomic weight of silver is 108.)


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fromAlphatoOmega22

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

17.9 s


misspop

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


fromAlphatoOmega22

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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