If a gas is cooled from 523.0 K to 473.15 K and volume is kept constant what final pressure would result if the original pressure was 850.0 mm Hg?

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.

Which of the following units is not an official si unit

All forces cause motion? true or false