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CHEM 120 Unit 3 Quiz | Questions and Answers | VERSION 2 | 100% GUARANTEED Pass. $10.99
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CHEM 120 Unit 3 Quiz | Questions and Answers | VERSION 2 | 100% GUARANTEED Pass.
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Question: Magnesium metal can react with hydrochloric acid to produce magnesium chloride and hydrogen gas. Which of the following chemical is the complete and … representation of this process? Ques tion: Determine the molar mass of the molecule Boron Tri fluoride Question: Does the image show ato...

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  • November 30, 2021
  • 2
  • 2021/2022
  • Exam (elaborations)
  • Questions & answers

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  • question how many atoms of oarein the molecule of the material alno33
  • question aluminum reacts with oxygen according to the foll
  • chem 120 unit 3 quiz questions and answers ver

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Chem 120, Chamberlain University


Week 3 Quiz, Jan , 2021




1. Magnesium metal can react with hydrochloric acid to produce magnesium chloride

and hydrogen gas. Which of the following chemical is the complete and balanced

representation of this process?

Mg(s) +2HCI(aq) - MgCl2(aq)+H2(g)




m
2.Determine the molar mass of the molecule Boron Trifluoride




er as
co
67.81 g/mol




eH w
o.
rs e
ou urc
3.Does the image show atoms changing states?
o
aC s


Yes ,because the atoms have rearranged to form a new substance
vi y re



4.Balance the skeletal equation Li(s) + H2O(f)--LiOH(aq)+H2(g)

2 Li(s)+ 2H20(I)-2LIOH(aq)+H2(g)
ed d
ar stu




5.How many atoms of O are in the molecule of the material

Al(NO3)3
is




9
Th




6.For the reaction 3Cu(NO3)2 aq + 2Na3PO4(aq)-CU3(PO4)2(s)

+6NaNO3(aq) ,select ALL of the true statements
sh




NaNo3(aq) is one of the product of this reaction

The equation contains 3 atoms of Cu on each side of the equation




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