Chemical Reactions and Equations

Chemical Reactions and Equations

 

   Describe how you solved the problems.  For each discussion board you are expected to 2 – 3 paragraphs that addresses the prompt; a paragraph consists of a minimum of 3 sentences, and maximum of 6 sentences. .

Chemical Reactions and Equations

Equation

Balance Equation

Classify Reaction

Co(s)+O2(g)→Co2O3(s)

LiCIO3(s) → LiCl(s) + O2(g)

Cu(s) + AgC2H3O2(aq) →

Cu(C2H3O2)2(aq) + Ag(s)

Pb(NO3)2(aq) + LiCl(aq) →

PbCl2(s) + LiNO3(aq)

H2SO4(aq) + Al(OH)3(aq) →

Al2(SO4)3(aq) + H2O(l)

HCIO4(aq) + Ba(OH)2(s) →

Ba(ClO4)2(s) + H2O(l)

Co(NO3)2(aq) + H2S(g) →

CoS(s) + HNO3(aq)

Fe(s) + Cd(NO3)2(aq) →

Fe(NO3)3(aq) + Cd(s)

Fe2(CO3)3(s) → F32O3(s) + CO2(g)

Sn(s) + P(s) → Sn3P2(s)

 
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Chemical bonding

Chemical bonding

Chemical Bonding

Provide an explanation for three of the twelve items below.

a.  Explain how valence electrons create a chemical bond, and how they are obtained.

b.  Explain the difference between an ionic bond and a covalent bond.

c.  Provide the number of valence electrons in each structure.

1.    Cl2

2.    O2

3.    N2

4.    PI3

5.    CCl4

6.    HONO2

7.    Hl

8.    PH3

9.    CS2

10.HOCl

11.CH3OH

12.HOCN

 
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Acids and Bases

Acids and Bases

 Watch the video titled “Acids and Bases”.      www.youtube.com/watch?v=RF40cI2O16U 

   2.  Post your answers to the following questions on the video:   

   a.  What does the term pH stand for?   

   b.  Acidity is based on the concentration of which ion?   

   c.  Basicity is based on the concentration of which ion?   

   d.  Describe the process in the making of red cabbage indicator.   

   e.  Describe how the pH of blood is regulated.

 
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CHEM-011 MID TERM-3

CHEM-011 MID TERM-3

CHEM-011 MID TERM-3

Name: ——————-

Oxidation-Reduction

For each reaction below, identify the atom oxidized, the atom reduced, the oxidizing agent, the reducing agent, the oxidation half reaction, the reduction half reaction, and then balance the equation by the method of oxidation-reduction showing all electrons transfers.

 

1.Mg + HCl ( MgCl2 + H2

2.Fe + V2O3 ( Fe2O3 + VO

3.KMnO4 + KNO2 + H2SO4 ( MnSO4 + H2O + KNO3 + K2SO4

4.K2Cr2O7 + SnCl2 + HCl ( CrCl3 + SnCl4 + KCl + H2O

5.KMnO4 + NaCl + H2SO4 ( Cl2 + K2SO4 + MnSO4 + H2O + Na2SO4

6.K2Cr2O7 + H2O + S ( SO2 + KOH + Cr2O3

7.KClO3 + C12H22O11 ( KCl + H2O + CO2

8.H2C2O4 + K2MnO4 ( CO2 + K2O + Mn2O3 + H2O

9.Mn(NO3) 2 + NaBiO3 + HNO3 ( HMnO4 + Bi(NO3) 3 + NaNO3 + H2O

10.H2C2O4 + KMnO4 ( CO2 + K2O + Mn2O3 + H2O

 
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