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Author Question: Which state of matter is characterized by having molecules far apart and moving randomly? A) gas ... (Read 37 times)

laurencescou

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on: Aug 27, 2018
Which state of matter is characterized by having molecules far apart and moving randomly?
 
  A) gas
  B) liquid
  C) solid
  D) all of these

Question 2

Identify the particle that is symbolized by He2+.
 
  A) alpha,
  B) beta,
  C) gamma,
  D) delta,

Question 3

How many grams of CO2 can be made from reacting 78.1 g of O2 and 62.4 g of C4H10?
 
  2 C4H10 + 13 O2  8 CO2 + 10 H2O
  A) 66.1 g CO2
  B) 141 g CO2
  C) 189 g CO2
  D) 378 g CO2
  E) 430 g CO2

Question 4

When hydrofluoric acid is dissolved in water, the ionized species are ________.
 
  A) H3O+ and OH-
  B) H2F- and H3O+
  C) H3O+ and F-
  D) H2F+ and OH-

Question 5

Which state of matter is characterized by having molecules close together, but moving randomly?
 
  A) gas
  B) liquid
  C) solid
  D) all of these


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nekcihc358

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

A

Answer to Question 2

A

Answer to Question 3

A

Answer to Question 4

C

Answer to Question 5

B


laurencescou

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Reply #2 on: Aug 27, 2018
Thank you!


nekcihc358

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Reply #3 on: Aug 27, 2018
Always glad to help...


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