Convert 506.5 kPa to atmospheres.

A sample of ammonia gas at 65.5°c and 524 torr has a volume of 15.31 l. what is its volume when the temperature is - 15.8°c and its pressure is 524 torr?

The Positively charged center of an atom is called

Write a creative story about heat transfer. (conduction, convection, radiation)

How many moles of NaCl are there in 6.93g?

Why does the rate of a chemical reaction typically decrease over time? A. The pressure decreases as the product is formed. B. The temperature decreases as the reaction continues. C. The effect of the catalyst decreases as the reaction continues. D.

How does a chemical equation express relationship between substance?

Toxaphene is a pesticide that was applied to cotton crops. If 1.5 kg of toxaphene is applied to 1000 m3 of soil and the soil density is 1700 kg/m3, Determine the toxaphene concentration in the soil in units of ppm.

What factor determines wether an acid is strong or weak?

A student prepared an unknown sample by making a dilute solution of the unknown sample. The dilute sample was prepared by adding 5.0 mL of the unknown sample to a 25.0 mL flask.

In which substance do the molecules have the strongest attractions to one another? a. sugar, a solid c. sulfuric acid, a liquid b. hydrogen, a gas d. water, a liquid