notes one unit four making cookies making chemicals
TRANSCRIPT
Notes One Unit Four
• Making Cookies
• Making Chemicals
Making Cookies
Making CookiesWhat does the following recipe tell us?1 C butter +1 C sugar +2 egg yolks +1/4 C vegetable oil +1/2 C cocoa + 2 tsp vanilla + 2-1/4 C flour + 1/4 tsp salt +1 C Chocolate Powder + 4 Oz semisweet chocolate, 2 TBS cream 32 Mud Puddle CookiesHow many cookies can be made with…
64 cookies 160 cookies 4 cups of sugar and 1 Egg?128 cookies 16 cookies1-1/8 of C flour and 8 cups of oil?16 cookies 1024 cookies
8 Cookies_____ cups butter?0.25
24 Cookies_____ tsp vanilla?1.564 Cookies_____ egg yolks?4
2 cups of butter and 10 eggs?
Making Chemicals
Making Chemicals1) Combustion: hydrocarbon + oxygen carbon dioxide + water
C5H12(l)+ O2(g) CO2(g) + H2O(l)
5m1m
2.5m4m
3m4m
1 5 68
0.67m 4m
Making Chemicals2) Synthesis: A + B AB
Sn(s) + S8(c) SnS2(s)
2m2m
8m2m
4 41
4m
16m
Moles to Moles3) Single displacement: A + BC AC + B
Al(s)+ H2O(l) Al(OH)3(aq) + H2(g)
4m4m
1.33m4m
0.5m1m
2 2 36
0.67m 1m
Moles to Moles3) Single displacement: A + BC AC + B
HCl(aq)+ Al(OH)3(s) H2O(l)+ AlCl3(aq)
4m4m
4.5m1.5m
1m1m
6 6 22
12m 4m
Moles to Moles Standard Format• How many moles of product can be made using 4.0
moles of each reactant?
• 1) Balanced Equation
• H2(g)+ N2(g) NH3(g)
• 2) Before:
• 3) Limiting?
• 4) Changes:
• 5) After:
3 21
4.0 m 4.0 m 0 m
2.7 m0 m 2.7 m
4.03
x1 4.03
x2
4.03
4.01
- - +
Moles to Moles Standard Format• How many moles of product can be made using 4.0
moles of P4(g) and 5.0 moles of F2(g).
• 1) Balanced Equation
• P4(g)+ F2(g) PF3(g)
• 2) Before:
• 3) Limiting?
• 4) Changes:
• 5) After:
1 46
4.0 m 5.0 m 0 m
3.3 m3.2 m 0 m
5.06
x1 5.06
x4
4.01
5.06- - +
Moles to Moles Standard Format• How many moles of product can be made using 5.0
moles of Fe(s) and 7.0 moles of O2(g).
• 1) Balanced Equation
• Fe(s)+ O2(g) Fe3O4(s)
• 2) Before:
• 3) Limiting?
• 4) Changes:
• 5) After:
3 12
5.0 m 7.0 m 0 m
1.7 m0 m 3.7 m
5.03
x2 5.03
x1
5.03
7.02- - +
Notes Two Unit Four
• Quiz
• Mass-Mass Calculation
• White Board Assignment
Moles to Moles Standard Format• How many moles of product can be made using 4.50
moles of C(s) and 6.50 moles of H2(g).
• 1) Balanced Equation
• C(s)+ H2(g) C6H6(g)
• 2) Before:
• 3) Limiting?
• 4) Changes:
• 5) After:
6 13
4.50 m 6.50 m 0 m
0.75 m0 m 4.25 m
4.506
x3 4.506
x1
4.506
6.503- - +
Moles to Moles3) Single displacement: A + BC AC + B
Al(s)+ H2O(l) Al(OH)3(aq) + H2(g)
1.5m1.5m
4.0m12m
1.0m2.0m
2 2 36
1.33m 2.0m
Grams to Grams
H2(g)+ N2(g) NH3(g)
____g34.0
3 21
2.0m___m
28.0g
N 2 x14.0= 28.0g/mE # Mass
HN
3 x1 x
1.0 =14.0 =
3.0 14.017.0g/m
E # Mass
1.0 x17.0g/m
Mass-Mass Calculation OneHow many grams of ammonia will be made reacting with 14.0 grams of nitrogen with hydrogen?
1 3 2N2(g) + H2(g) NH3(l)
1) grams N2 to moles N2
14.0g÷
2) moles N2 to moles NH3
0.500m H2x
3) moles NH3 to grams NH3
1.00m H2O x
28.0gN2/m=0.500m N2
17.0g/m =17.0g NH3
(2m NH3)(1mN2)
= 1.00 m NH3
N 2 x 14.0 =28.0g/mE # Mass
HN
3x1x
1.0 =14.0 =
3.0 14.017.0g/m
E # Mass
1N2(g) + 3H2(g) 2NH3(l)
17.014.0g
x17.0g/m_____m
____g
0.500 ____m1.00
÷28.0g/m
Mass-Mass Calculation TwoHow many grams of water will be made reacting with 4.0grams of hydrogen with oxygen?
2 1 2H2(g) + O2(g) H2O(l)
1) grams H2 to moles H2
4.0g÷
2) moles H2 to moles H2O
2.0m H2x
3) moles H2O to grams H2O
2.0m H2O x
2.0gH2 /m= 2.0m H2
18.0g/m =36.0g H2O
(2m H2O)(2mH2)
= 2.0 mH2O
H 2 x 1.0 = 2.0g/mE # Mass
HO
2x1x
1.0 =16.0 =
2.0 16.018.0g/m
E # Mass
2H2(g) + 1O2(g) 2H2O(l)
36.04.0g
x18.0g/m___m
____g
2.0 ___m2.0
÷2.0 g/m
Mass-Mass Calculation ThreeHow many grams of silver will be made by decomposing 8.00grams of Silver oxide?
2 1 4Ag2O(s) O2(g)+ Ag(s)
1) grams Ag2O to moles Ag2O
8.00g÷
2) moles Ag2O to moles Ag
0.0345m Ag2Ox
3) moles Ag to grams Ag 0.0690 m Ag x
231.8g Ag2O /m= 0.0345m Ag2O
107.9g/m = 7.45g Ag
(4m Ag)(2 Ag2O)
= 0.0690 m Ag
Ag1 x107.9 = 107.9g/mE # Mass
AgO
2x1x
107.9 =16.0 =
215.8 16.0231.8 g/m
E # Mass
2Ag2O(g)+1O2(g)4Ag(s)
7.458.00g
X107.9g/m______m
____g
0.0345 ______m0.0690
÷231.8 g/m
Mass-Mass Calculation FourHow many grams of carbon dioxide will be made by burning 6.00grams of Isovanillin?
1 10 8C8H8(l)+ O2(g) CO2(g) + H2O(g) 4
1) grams C8H8 to moles C8H8
6.00g÷
2) moles C8H8 to moles CO2
0.0577m C8H8 x
3) moles CO2 to grams CO2
0.462 m CO2 x
104.0g C8H8 /m=0.0577m C8H8
44.0g/m = 20.3g CO2
(8m CO2)(1mC8H8)
= 0.462 m CO2
C 1 x12.0 = 12.0E # Mass
CH
8x8x
12.0 =1.0 =
96.0 8.0
104.0 g/m
E # Mass20.36.00g
X44.0g/m______m
____g
0.0577 _____m0.462
1C8H8(l)+10O2(g)8CO2(g)+4H2O(g)
O 16.0 = 32.02 x44.0g/m
÷104.0 g/m