9.5 Combined Gas Law

9.5 Combined Gas Law

By Lan Vu

Multiple Choice

What is the formula for Boyle's Law?

• P₁V₁=P₂V₂
• P₁V₁/P₂V₂
• P₁V₂=P₂V₁
• P₁/V₁=P₂/V₂

Multiple Choice

What is the formula Charles' Law?

• V = T
• VT = VT
• T₁ / V_{1 =} T₂ / V₂
• V₁ / T₁ = V₂ / T₂

Multiple Choice

What is the formula for Gay-Lussac's Law?

• $$P_1T_1=P_2T_2$$  

• $$\frac{P_1}{T_2}=\frac{P2}{T_1}$$   

• $$P_1T_2=P_2T_1$$  

• $$P_2T_2\ =P_1T_1$$   

Multiple Choice

What is the formula for Avogadro's Law?

•   $$V_1n_1=V_2n_2$$  

•    $$V_1n_2=V_2n_1$$  

•   $$\frac{V_1}{n_2}=\frac{V_2}{n_1}$$  

•    $$V_2n_2=V_1n_1$$  

Combined Gas Law

Some text here about the topic of discussion

​A closed gas system initially has volume and temperature of 6050mL and 607K with the pressure unknown. If the same closed system has values of 168torr, 5.34L and 305K, what was the initial pressure in torr?

Multiple Choice

A sample of sulfur dioxide occupies a volume of 652 mL at 313 K and 150 kPa. What volume will the sulfur dioxide occupy at STP?

STP = 273 K, 101.3 kPa

• 1682.6 mL

• 20.7 mL

• 492.3 mL

• 842.1 mL

Multiple Choice

If 3.0 L of helium at 293 K with a pressure of 200 kPa is allowed to expand to 4.4 L with the pressure staying constant. What is the new temperature?

• 702 K

• 430 K

• 157 K

• 0 K

Multiple Choice

A gas is heated from 263K to 298K. The volume is increased from 24.0L to 35.0L. If the original pressure was 101.33 kPa, what is the new pressure?

• 78.7 kPa

• 167.2 kPa

• 129.7 kPa

• 61.8 kPa