Chemistry Quiz

Which law relates the pressure, volume, and temperature of a gas?

• Boyle's Law

• Charles' Law

• Combined Gas Law

• Ideal Gas Law

What is the value of Avogadro's Number?

• 6.02 x 10^22 particles

• 6.02 x 10^23 particles

• 6.02 x 10^24 particles

• 6.02 x 10^25 particles

What is the molar volume of a gas at Standard Temperature and Pressure (STP)?

• 22.4 L

• 24.4 L

• 20.4 L

• 18.4 L

Which of the following is NOT a type of nuclear radiation?

• Gamma Radiation

• Beta Radiation

• Alpha Radiation

• Delta Radiation

What is the formula to calculate percent yield?

• (Actual Yield / Theoretical Yield) x 100

• (Theoretical Yield / Actual Yield) x 100

• (Actual Yield + Theoretical Yield) x 100

• (Actual Yield - Theoretical Yield) x 100

Which of the following is a measure of the number of moles of solute per liter of solution?

• Molarity

• Molality

• Normality

• Mole Fraction

What is the formula for Boyle's Law?

• P1V1 = P2V2

• V1/T1 = V2/T2

• P1/T1 = P2/T2

• P1V1/T1 = P2V2/T2

Which of the following is an endothermic reaction?

• Combustion of gasoline

• Photosynthesis

• Freezing of water

• Condensation of steam

What is the formula to convert Celsius to Kelvin?

• °C + 273 = K

• °C - 273 = K

• K + 273 = °C

• K - 273 = °C

Bromothymol blue is a pH indicator that is blue in the presence of a base and yellow in the presence of an acid. Bromothymol blue’s molecular formula is C₇H₆Br₂O₅S. What is its molar mass?

• 32 g/mol

• 80 g/mol

• 319 g/mol

• 241 g/mol