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

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:)

11.1 Answers