How much work is required to lift a 0.500 kg block 18.5 m?

How much potassium chloride dissolved in 100 mL of water?

What is 850 torr = ? Atm

Calculate the atomic mass of silicon. The three silicon isotopes have atomic masses and relative abundances of 27.9769 amu (92.2297%), 28.9765 amu (4.6832%) and 29.9738 amu (3.0872%). Show your work.

What effects would El Niño most likely have on organisms? a El Niño would cause continents to move to different parts of the planet. b El Niño would lead to the extinction of a species.

What is the molar mass of C2H4O2

Commercial fertilizers, which are made by humans, are used to enrich soil for healthier crops. However, erosion may carry the fertilizer chemicals to the oceans. The presence of these chemicals may cause certain kinds of algae to reproduce rapidly.

A cube of iron has a temperature of 35°C. It is placed on top of a hot surface with a temperature of 175°C. What will happen to the iron? A) Its temperature will decrease. B) Heat will flow from the hot surface into the iron.

Density differences cause the

Why can't you balance a chemical equation by changing the subscript?

Which level of organization is best represented by the corn plant? tissue, the highest level of organization organ, the lowest level of organization organism, the level of organization directly above organ system organ system, the level of