Based on formal charge arguments, which of the following I) N O b b N b b b b b b II) b N N b O b b b b b b is the better Lewis dot structure? 1. Structure II is the better Lewis structure. correct 2. Structure I is the better Lewis structure. 3. Neither is a good Lewis structure. 4. Both are equally good Lewis structures.

How does litmus paper indicate an acid?

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?