If the concentration of solution is doubled, the number of particles in a given volume is doubled and so too are successful collisions in a given time. the horizontal line shows that no more product ...

The rate of a chemical reaction can be changed by altering the concentration of a reactant in solution. If the concentration is increased: there are more reactant particles there are more successful ...

Note: This demo has two parts, I & II. When ordering, please specify whether you want Part I, Part II, or both at the same time. I. The reaction between iodate and bisulfite in acid medium produces ...

where two ammonium ions and one bicarbonate ion are formed for each urea molecule that is hydrolysed. In addition, one proton is consumed which raises the pH. When calcium or other divalent cations ...

Figure 1: An artist’s impression of an enzyme and its substrate. Three RIKEN researchers have found a simple expression that governs all kinds of enzymes. © HYBRID ...