City was 252km away. took them 2.8 hours to arrive. What was their speed in meters per second?

Initially, the balloon had 3.0 liters of gas at a pressure of 400 kpa and was at a temperature of 294 k. if the balloon is cooled to 277 k and its volume decreased to 1 l, what will the new pressure in the balloon be?

0.66y = 0.9x + 0.48 if y has a value of 108.45 what is the value of x?

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