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Author Question: The boiling point of water on the Celsius temperature scale is A) 100C. B) 212C. C) 273C. D) ... (Read 96 times)

D2AR0N

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on: Aug 27, 2018
The boiling point of water on the Celsius temperature scale is
 
  A) 100C.
  B) 212C.
  C) 273C.
  D) 373C.

Question 2

Which of the following equations is not a combination reaction?
 
  A) H2 + O2  H2O
  B) C2H4 + Br2  C2H4Br2
  C) CH4 + O2  CO2 + H2O
  D) Fe + O2  Fe3O4

Question 3

Consider the reaction C  D with the following data: Energy of reactants = 30 kJ/mole; Energy of products = 20 kJ/mole; Energy of transition state = 60 kJ/mole.
 
  The reaction is ________, has a heat of reaction of ________kJ/mole, and the energy of activation is ________ kJ/mole. A) exothermic; -10; 30
  B) endothermic; 10; 30
  C) exothermic; 40; 30
  D) endothermic; 40; 30


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millet

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

A

Answer to Question 2

C

Answer to Question 3

A


D2AR0N

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Reply 2 on: Aug 27, 2018
Gracias!

dantucker

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Reply 3 on: Yesterday
:D TYSM

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