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Author Question: Which anion does not have -3 charge? A) phosphide B) phosphate C) chlorate D) ... (Read 62 times)

tuffie

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Which anion does not have -3 charge?
 
  A) phosphide
  B) phosphate
  C) chlorate
  D) nitride

Question 2

How many molecules of H2S are required to form 79.0 g of sulfur according to the following reaction? Assume excess SO2. 2 H2S(g) + SO2(g)  3 S(s) + 2H2O(l)
 
  A) 1.48  1024 molecules H2S
  B) 9.89  1023 molecules H2S
  C) 5.06  1025 molecules H2S
  D) 3.17  1025 molecules H2S
  E) 2.44  1023 molecules H2S

Question 3

How many liters of oxygen gas can be produced at STP from the decomposition of 0.250 L of 3.00 M H2O2 in the reaction according to the chemical equation shown below?
 
  2 H2O2(l)  2 H2O(l) + O2(g)
 
  A) 8.41 L
  B) 11.2 L
  C) 16.8 L
  D) 33.6 L

Question 4

How many molecules of HCl are formed when 50.0 g of water reacts according to the following balanced reaction? Assume excess ICl3. 2 ICl3 + 3 H2O  ICl + HIO3 + 5 HCl
 
  A) 2.78  1024 molecules HCl
  B) 1.67  1024 molecules HCl
  C) 5.02  1025 molecules HCl
  D) 6.09  1025 molecules HCl
  E) 3.65  1024 molecules HCl

Question 5

In a mixture of 5 mL water, 10 mL alcohol, and 50 mL acetone the solvent(s) is(are) ________.
 
  A) acetone
  B) alcohol
  C) water
  D) acetone and alcohol
  E) alcohol and water



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gstein359

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Answer to Question 1

C

Answer to Question 2

B

Answer to Question 3

A

Answer to Question 4

A

Answer to Question 5

A



tuffie

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Both answers were spot on, thank you once again



gstein359

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