A gas at STP occupies a space of 2.73 L. By changing the volume, the pressure increases to 605 kPa, and the temperature is raised to 125°C. Moles are held constant.

What is a scientific theory? a. a scientist's guess about how something works b. the results of an experiment obtained using the scientific method c. a proven fact that will never change d. an idea that is backed by data from many sources

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.