- Created by: shimnafrench
- Created on: 05-06-20 18:21
1. How does a homogenous catalyst provide a pathway of lower activation energy?
- Has an active site
- Forms an intermediate
- Lowers the enthalpy change
1 of 20
Other questions in this quiz
2. What is the difference in the energy profile diagram for a reaction with a catalyst and one without?
- Lower peak
- Enthalpy change
- Earlier peak
- Broader peak
3. Consider the following reversible reaction: 2SO2 (g) + O2 (g) -> 2 SO3 (g). Which of the following statements is true?
- Equilibrium shifts to the right as pressure rises
- Equilibrium shifts to the right as the concentration of the reactants falls
- Equilibrium shifts to the right as a catalyst is added
- Equilibrium shifts to the left as temperature rises
4. Which of the following is NOT a feature of a Maxwell-Boltzmann Curve
- The area under the curve represents the total number of molecules
- Curve starts at the origin
- The activation energy is never at the peak of the curve
- The curve never crosses the x axis
5. Given that ΔH°c of S is – 442.6 kJmol-1, ΔH°c of H2 is – 285.8 kJmol-1 and ΔH°c of H2S is – 519.1 kJmol-1, find the standard enthalpy change of formation of hydrogen sulfide.
- -156.3 kJmol-1
- -209.3 kJmol-1
- -1247.5 kJmol-1
- -495.1 kJmol-1
Similar Chemistry resources: