Tuesday, October 19, 2010
Tuesday, February 16, 2010
Monday, February 15, 2010
Stoich WS 2 Answers
1. a. 4Cu + O2-> 2Cu2O
b. 26 mol Cu
c. .50 mol Cu2O
d. 1.31 g O2
2.
a. Fe2O3 + 3H2 -> 2Fe + 3H2O
b. 314.76 gFe
c. 2.42 mol H2
d. .54 g H2O
3.
a. 2Ca + O2 -> 2CaO
b. .66 mol CaO
c. 11.27 g Ca
4.
a. 2C4H10 + 13O2 -> 8CO2 + 10H2O
b. 31.2 mol O2
c. 74.5 g CO2
6.
a. 2NaCl -> 2Na + Cl2
b. .34 mol Cl2
c. 5 mol Na
7.
a. C2H5OH + 3O2 -> 2CO2 + 3H2O
b. 117.2 g H2O
c. 27 mol O2
d. 35.2 g CO2
8.
a. Ba(NO3)2 + (NH4)2CO3 -> BaCO3 + 2NH4NO3
b. 2.29 mol NH4NO3
c. 6 mol BaCO3
d. 598.4 g Ba(NO3)2
b. 26 mol Cu
c. .50 mol Cu2O
d. 1.31 g O2
2.
a. Fe2O3 + 3H2 -> 2Fe + 3H2O
b. 314.76 gFe
c. 2.42 mol H2
d. .54 g H2O
3.
a. 2Ca + O2 -> 2CaO
b. .66 mol CaO
c. 11.27 g Ca
4.
a. 2C4H10 + 13O2 -> 8CO2 + 10H2O
b. 31.2 mol O2
c. 74.5 g CO2
6.
a. 2NaCl -> 2Na + Cl2
b. .34 mol Cl2
c. 5 mol Na
7.
a. C2H5OH + 3O2 -> 2CO2 + 3H2O
b. 117.2 g H2O
c. 27 mol O2
d. 35.2 g CO2
8.
a. Ba(NO3)2 + (NH4)2CO3 -> BaCO3 + 2NH4NO3
b. 2.29 mol NH4NO3
c. 6 mol BaCO3
d. 598.4 g Ba(NO3)2
Thursday, February 11, 2010
Wednesday, February 10, 2010
Thursday, February 4, 2010
Quiz on Monday
The quiz will be 20 points. It will cover mole ratios, and mole to mole problems. You should study the five assignments from class. The five assignments will be due when you take the quiz.
See you Monday:)
See you Monday:)
Wednesday, January 13, 2010
Monday, January 11, 2010
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