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Author Question: A 4.50-g sample of liquid water at 25.0 C is heated by the addition of 133 J of energy. The final ... (Read 113 times)

fahad

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on: Aug 27, 2018
A 4.50-g sample of liquid water at 25.0 C is heated by the addition of 133 J of energy. The final temperature of the water is ________ C. The specific heat capacity of liquid water is 4.18 J/g-K.
 
  A) 149
  B) 25.1
  C) -17.9
  D) 32.1
  E) 7.07

Question 2

The element(s) ________ could be used to produce a red or crimson color in fireworks.
 
  A) Mg or Ba
  B) Sr
  C) Ca, Sr, or Li
  D) Ba
  E) Na or K


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AaaA

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

D

Answer to Question 2

B


fahad

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Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it

helenmarkerine

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Reply 3 on: Yesterday
Wow, this really help

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