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Author Question: The melting point of a compound is 2400 K. What is this temperature on the Celsius scale? A) ... (Read 41 times)

gonzo233

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on: Aug 27, 2018
The melting point of a compound is 2400 K. What is this temperature on the Celsius scale?
 
  A) 2673C
  B) 2300C
  C) 2188C
  D) 2127C

Question 2

Which ions are not spectator ions in the following precipitation equation?
 
  AgNO3 + NaCl  AgCl + NaNO3
  A) Ag+ and NO3-
  B) Na+ and NO3-
  C) Ag+ and Cl-
  D) Na+ and Cl-

Question 3

Which of the following is true about the activation energy?
 
  A) It may increase by decreasing the temperature.
  B) It may decrease by decreasing the temperature.
  C) It may increase by increasing the concentration of reactants.
  D) It is practically independent of both temperature and concentration of reactants.


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emily12345

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

D

Answer to Question 2

C

Answer to Question 3

D


gonzo233

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

xiazhe

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Reply 3 on: Yesterday
Wow, this really help

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