A catalyst is a substance that speeds up a chemical reaction.
Answer:
its B
Explanation:
Because its can only go cold to hot. -hope this help :)
I think the best answer from the choices listed above is option B. The best graduated cylinder for this case is the glass cylinder. A metal cylinder is not possible because you cannot measure really since metals are not transparent. A plastic cylinder cannot also be used since the substance should be heated for the experiment.
It will form mountains, hope this helps
Answer:
can you help mine please
How many molecules of chlorine are needed to react with 56.Og of iron to form Iron (III) chloride (FeCl3)?