Which of the following factors will speed up the rate of ...
Which of the following factors will speed up the rate of evolution of carbon (iv) oxide in the reaction below?
2HCl + CaCO3 → CaCl2 + H2O + CO2
Increasing the concentration of the acid
Increasing the surface area of CaCO3
A and B
Reducing the concentration of the acid
Correct answer is C
The following factors increase a reaction rate
- Increase in concentration of reactants
- Increase in temperature
- Addition of catalyst
- Increase in the surface area of reactant(s)