Describe and explain, using ideas about collisions between particles, how the rate of this reaction changes when the concentration of sulfuric acid is increased. Keep all other conditions unchanged.
Describe and explain, using ideas about collisions between particles, how the rate of this reaction changes when the temperature is decreased. Keep all other conditions unchanged.
The reaction of zinc with sulfuric acid is exothermic. Complete the energy profile diagram for this reaction so that the enthalpy change is shown.
Calculate the maximum volume of hydrogen, in $\text{dm}^3$, produced when $4.55\,\text{g}$ of zinc reacts with excess sulfuric acid at room temperature and pressure.
The formula of zinc phosphate is $\text{Zn}_3(\text{PO}_4)_2$. Calculate the percentage by mass of zinc in zinc phosphate.