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CHEM 120 Unit 3 Quiz (Jan 2021) Introduction To General, Organic, And Biological Chemistry $11.49   Add to cart
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CHEM 120 Unit 3 Quiz (Jan 2021) Introduction To General, Organic, And Biological Chemistry
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CHEM 120 Unit 3 Quiz (Jan 2021) Introduction To General, Organic, And Biological Chemistry/CHEM 120 Unit 3 Quiz (Jan 2021) Introduction To General, Organic, And Biological ChemistryCHEM 120 Unit 3 Quiz (Jan 2021) Introduction To General, Organic, And Biological ChemistryCHEM 120 Unit 3 Quiz (Jan...

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  • February 24, 2022
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  • 2021/2022
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  • organic
  • organic
  • chem 120 unit 3 quiz jan 2021 introduction to general
  • and biological chemistrychem 120 unit 3 quiz jan 2021 introduction to general
  • and biological chemistrychem 120 unit 3 q

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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)

2.Determine the molar mass of the molecule Boron Trifluoride

67.81 g/mol




3.Does the image show atoms changing states?

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

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

2 Li(s)+ 2H20(I)-2LIOH(aq)+H2(g)

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

Al(NO3)3

9

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

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

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

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




This study source was downloaded by 100000824189183 from CourseHero.com on 02-24-2022 11:04:14 GMT -06:00


https://www.coursehero.com/file/79914195/chem120-week-3-quizdocx/

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