The heat of fusion of ammonia is . Calculate the change in entropy when of ammonia freezes at . Be sure your answer contains a unit symbol. Round your answer to significant digits.

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.

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at