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Author Question: Identify the ion with a -4 charge. A) carbide B) permanganate C) dichromate D) ... (Read 50 times)

viki

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on: Aug 27, 2018
Identify the ion with a -4 charge.
 
  A) carbide
  B) permanganate
  C) dichromate
  D) nitride

Question 2

According to the following reaction, how many grams of sulfur are formed when 37.4 g of water are formed? 2 H2S(g) + SO2(g)  3 S(s) + 2H2O(l)
 
  A) 99.8 g S
  B) 66.6 g S
  C) 56.1 g S
  D) 44.4 g S
  E) 14.0 g S

Question 3

How many grams of KCl(s) are produced from the thermal decomposition of KClO3(s) which produces 50.0 mL of O2(g) at 25C and 1.00 atm pressure according to the chemical equation shown below?
 
  2 KClO3(s)  2 KCl(s) + 3 O2(g)?
 
  A) 0.102 g
  B) 0.152 g
  C) 0.167 g
  D) 0.304 g

Question 4

Identify the ion with a -1 charge.
 
  A) phosphate
  B) chlorate
  C) chromate
  D) ammonium


amanda_14

  • Sr. Member
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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

B


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