Chemistry Final Exam Review

 Which of the following are the correct values for STP for all gases?
I.25°C  II.1°C  III. 0°C  IV 0 atm  V. 1 atm

• I & IV
• III & V

If a gas has a pressure of 5.6 atm at 26°C, what is the new temperature at 2.13 atm?

• a.  54.21 K
• 113.73 K

 How many moles of gas are available when it occupies 2.9 L at 0.89 atm and 65°C?

• 0.093 mol 
• 0.189 mol 

What is the molarity of a solution that contains 1.12 mol KF in 850 mL of solution?

• 2.68 M
• 1.32 M

What is the molarity of a solution that contains 2.18 mol  Be₃N₂ in 967 mL of water?

• 2.25 M
• 1.98 M

 Defined as a substance that contains hydrogen atoms and produces hydrogen ions?

• Acid
• Base

 If a gas occupies 1.5 L at 127 K, what is its new volume at 300 K?

• 3.54 L
• 2.61 L

1.  What is the pH of an acid?

• 1-6
• 8-14

What is the pH of a neutral solution?

• 7
• 14

If a gas occupies 22.4 L at 1 atm, what volume will it occupy at 0.64 atm?

• 35.0 L
• 67.5 L