1. At what temperature does substance C melt?
2. Predict at what temperature substance A would become a solid.
3. How many seconds would it take fluid B to travel 100 cm at 40 degrees Celsius?
4. How far could fluid C travel in 10 seconds at 60 degrees Celsius?

100mg magnesium reacts with 20ml of 1.0m hcl

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder