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Author Question: When a solid dissolves, each molecule is removed from the crystal by interaction with the solvent. ... (Read 13 times)

gbarreiro

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on: Aug 27, 2018
When a solid dissolves, each molecule is removed from the crystal by interaction with the solvent. This process of surrounding each ion with solvent molecules is called
 
  A) dilution.
  B) solvation.
  C) electrolysis.
  D) hemolysis.
  E) crenation.

Question 2

Carbonic acid can form water and carbon dioxide upon heating. How much carbon dioxide is formed from 6.20 g of carbonic acid? H2CO3  H2O + CO2
 
  A) 4.40 g
  B) 8.80 g
  C) 2.20 g
  D) 6.20 g

Question 3

What is the total volume of hydrogen gas and oxygen gas that can be produced from the thermal decomposition of 0.0425 grams of H2O2 at 700C and 755 mm Hg according to the chemical equation shown below?
 
  H2O2(l)  H2(g) + O2(g)?
 
  A) 50.2 mL
  B) 100 mL
  C) 151 mL
  D) 201 mL

Question 4

Which of the following anions has 3 oxygen atoms and a net charge of -2?
 
  A) permanganate
  B) chlorate
  C) carbonate
  D) nitrate


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Li Jun

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

B

Answer to Question 2

A

Answer to Question 3

D

Answer to Question 4

C


gbarreiro

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Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it

okolip

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  • Posts: 362
Reply 3 on: Yesterday
Wow, this really help

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