1. A gas was qualitatively analyzed and found to contain only the elements nitrogen and oxygen. The compound was further analyzed and it was determined the gas was
composed of 30.43% nitrogen and 69.57% oxygen. Calculate the empirical formula of
the gas. (3 Points).

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

Imagine one batch of soup (batch “a”) is made with 8.19 g/can of salt, according to the recipe, and a second batch of soup (batch “b”) is made with 8.32 g/can of salt. explain which batch would be more resistant to frost damage if it is shipped a great distance in winter and explain why.