Investigating Arrhenius Energy in HI Decomposition

The video tutorial explains the decomposition of hydrogen iodide and demonstrates how to calculate the activation energy using a straight line graph. It involves selecting points on the graph, calculating the slope, and applying the Arrhenius equation to determine the activation energy. The final result is presented in both joules per mole and kilojoules per mole.

What is the primary focus of the video tutorial?

• The properties of hydrogen iodide.

• The decomposition of hydrogen iodide.

• The synthesis of hydrogen iodide.

• The uses of hydrogen iodide.

What is the purpose of selecting two points on the straight line in the graph?

• To determine the rate of reaction.

• To calculate the slope for activation energy.

• To find the equilibrium constant.

• To calculate the concentration of reactants.

How is the slope of the line calculated in the graph?

• By multiplying delta Y by delta X.

• By dividing delta Y by delta X.

• By adding delta Y and delta X.

• By dividing delta X by delta Y.

According to the Arrhenius equation, what does the slope of the line represent?

• The concentration of products.

• The equilibrium constant.

• The activation energy divided by the gas constant.

• The rate constant.

What is the calculated activation energy for the decomposition reaction?

• 1.87 into 10 to the power of 4 joules per mole.

• 1.87 into 10 to the power of 5 joules per mole.

• 1.87 into 10 to the power of 6 joules per mole.

• 1.87 into 10 to the power of 7 joules per mole.