Chemistry Practice Problems Chemistry Gas Laws Practice Problems Solution: What is the final pressure in atmosphere if 100.0 ...

Solution: What is the final pressure in atmosphere if 100.0 L of gas at 150.0°C and 1.00 atm pressure is compressed to 5.00 L at 642°C? Zincblende, ZnS, is the most important zinc ore. Roasting (strong heating) of ZaS is the first step in the commercial production of zinc.2 ZnS(s) + 3 O2(g) → 2 ZnO(s) + 2 SO2(g) a) no given answer is closeb) 57.1c) 43.3d) 128.4e) 85.6  In the previous question, what volume (in liters) of SO 2(g) forms per liter of O2(g) consumed? Both gases are measured at 25.0°C and 745 mm Hg.a) no given answer is close b) 1.45c) 1.67d) 1.33e) 0.667

Problem

What is the final pressure in atmosphere if 100.0 L of gas at 150.0°C and 1.00 atm pressure is compressed to 5.00 L at 642°C? Zincblende, ZnS, is the most important zinc ore. Roasting (strong heating) of ZaS is the first step in the commercial production of zinc.

2 ZnS(s) + 3 O2(g) → 2 ZnO(s) + 2 SO2(g)

 

a) no given answer is close

b) 57.1

c) 43.3

d) 128.4

e) 85.6 

 

In the previous question, what volume (in liters) of SO 2(g) forms per liter of O2(g) consumed? Both gases are measured at 25.0°C and 745 mm Hg.

a) no given answer is close 

b) 1.45

c) 1.67

d) 1.33

e) 0.667