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Author Question: Calcium metal reacts with water to form calcium hydroxide and hydrogen gas. How many grams of ... (Read 96 times)

mp14

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on: Aug 27, 2018
Calcium metal reacts with water to form calcium hydroxide and hydrogen gas. How many grams of hydrogen are formed when 0.50 g of calcium are added to water?
 
  A) 0.025 g
  B) 0.050 g
  C) 0.10 g
  D) 0.50 g

Question 2

The solubility product expression for silver(I) sulfate is ________.
 
  A) Ksp = Ag+ SO4-2
  B) Ksp = 2 Ag+ SO4-2
  C) Ksp = Ag+2SO4-2
  D) Ksp = 2Ag+2SO4-2

Question 3

For which of the following would recycling of iron NOT be practical?
 
  A) old cars that are compressed in junkyards
  B) steel beams that have been removed from a bridge
  C) rust that flakes off a car body
  D) wrought iron fences


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ErinKing

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

A

Answer to Question 2

C

Answer to Question 3

C


mp14

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  • Posts: 534
Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review

rleezy04

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  • Posts: 322
Reply 3 on: Yesterday
:D TYSM

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