Monday, March 14

Sections 2H & 4: Complete the problems below. The problem type is indicated in parenthesis to help you reference your notes/the textbook, if needed. 

1. Write the balanced equation for the combustion of ethyl alcohol,

C2H5OH. If 3.662 moles of ethyl alcohol are burned, how many moles of water can be formed? (PT1)

2. Given: 2 Al(s) + 6 HCl(aq) ® 2 AlCl3(aq) + 3 H2(g), how many moles of aluminum chloride can be obtained from the reaction of 25.7 g of hydrochloric acid? (PT3)

3. In the reaction P4 + 5 O2 ® 2 P2O5, how many moles of oxygen are consumed each time 0.500 mol of P2O5 is formed?(PT1)

4. In the reaction in question 3 above, how many grams of diphosphorus pentoxide could be formed from 0.34 moles of oxygen?(PT2)

5. Given the following equation: 2 NaClO3 ---> 2 NaCl + 3 O2, 2.00 moles of NaClO3 will produce how many grams of O2? (PT2)