Some clocks use a pendulum to keep time. If such a clock were running fast, what could you do to make the clock more accurate?

Jessica is traveling from miami, florida, to chicago, illinois. using the map, tell one way the land will change during the second half of her trip.

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.