How does an increase in concentration affect the rate of reaction
An increase in concentration increases the rate of reaction because there are more particles in the same volume. This means that there as increase in the frequency of collisions.
HK
Related Chemistry GCSE answers
All answers ▸Explain the trend in reactivity of the elements in Group 7.
The mass of a balloon is 0.02g before it is filled with air. After it is blown up with air the mass is 0.04g. Assuming oxygen makes up 21% of air, calculate the number of moles of oxygen in the balloon.
Which factors should be altered in chemical reaction between zinc (s) and hydrochloric acid (l) in order to speed up the rate of reaction?
25.00cm3 of sodium hydroxide was pipetted into a conical flask. It was titrated against 0.10mol/dm3 hydrochloric acid. The mean volume of acid needed was 24.00cm3. Calculate the concentration of sodium hydroxide used in the titration.