Question
1. What is the Kelvin temperature of a system in which 4.50 mol of a gas occupy 0.250 L at 4.15 atm?
2. In the lab, students generated and collected hydrogen gas according to the following equations:
Zn + H2SO4---> H2 + ZnSO4
a) How many mL of hydrogen gas at STP were generated from 52.7 g of zinc metal?
b) If 525 mL of hydrogen gas at STP were needed, how many moles of H2SO4 would be required?
2. In the lab, students generated and collected hydrogen gas according to the following equations:
Zn + H2SO4---> H2 + ZnSO4
a) How many mL of hydrogen gas at STP were generated from 52.7 g of zinc metal?
b) If 525 mL of hydrogen gas at STP were needed, how many moles of H2SO4 would be required?
Answers
DrBob222
Use PV = nRT for #1.
The next two are stoichiometry problems. Just follow the steps in the link below.
http://www.jiskha.com/science/chemistry/stoichiometry.html
The next two are stoichiometry problems. Just follow the steps in the link below.
http://www.jiskha.com/science/chemistry/stoichiometry.html