Answer:
fewer collisions occur between particles or lowering the temperature
Explanation:
Explanation:
when the catalyst is added the reaction with the lower activation energy occur
Answer:
A feasible error could have been the removal of the sample before all water evaporated.
Explanation:
In order to determine the percentage of water in an hydrate, an experiment that could be performed is the heating of the sample until the mass does not change. If the student heated the sample an insufficient amount of time, water will be present in the sample, thus reducing the percentage reported.
The answer is nuclear energy
Photosynthesis. Easy ;) have a nice day