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Author Question: Which fourth period representative element has the highest atomic number? A) Ca B) Kr C) Pb D) ... (Read 94 times)

fox

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on: Aug 27, 2018
Which fourth period representative element has the highest atomic number?
 
  A) Ca
  B) Kr
  C) Pb
  D) Zn
  E) none of the above

Question 2

How many milliliters of 0.260 M Na2S are needed to react with 40.00 mL of 0.315 M AgNO3? Na2S(aq) + 2 AgNO3(aq)  2 NaNO3(aq) + Ag2S(s)
 
  A) 24.2 mL
  B) 48.5 mL
  C) 66.0 mL
  D) 96.9 mL

Question 3

If the pressure in a gas container that is connected to an open-end U-tube manometer is 116 kPa and the pressure of the atmosphere at the open end of the tube is 752 mm Hg, the level of mercury in the tube will
 
  A) be 118 mm higher in the arm open to the atmosphere.
  B) be 118 mm higher in the arm connected to the gas cylinder.
  C) be 870 mm higher in the arm open to the atmosphere.
  D) be 870 mm higher in the arm connected to the gas cylinder.


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reelove4eva

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

B

Answer to Question 2

A

Answer to Question 3

A


fox

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Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

6ana001

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Reply 3 on: Yesterday
:D TYSM

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