At a pressure of 889 mbar, what would be the corresponding height of the mercury in the column of a mercury barometer? express your answer numerically in millimeters of mercury.

What is the tool used to see little tiny particle's

Rearrange the following equation and solve for x when the hydrogen ion concentration is 0.01 M. pH=4+logx (Recall that pH=-log[H+]. Use the hints if you do not obtain one of the answers.

Wind turbines are becoming an increasingly popular method of generating a community's electricity. In wind turbines, wind is used to power electric generators.

What are the signs of a chemical reaction?

The process of sublimation describes which of the following changes of state? liquid ➡ solid gas ➡ solid solid ➡ gas gas ➡ liquid

If a net force of 5.0 forward acts on a 0.60 kg toy car, what is it's acceleration?

Which physical method can be used for obtaining a sample of salt from a small beaker of salt water? boiling freezing chromatography sorting

A gas expands in volume from 26.7 to 89.3 mL at constant temperature. Calculate the work done (in joules) if the gas expands (a) against a vacuum, (b) against a constant pressure of 1.5 atm, (c) against a constant pressure of 2.8 atm. (1L⋅atm=101.

Beta particles are emitted from radioactive atom p when it disintegrates spontaneously to form non radioactive atom q. which of these statements is most likely correct about atom p and atom q?

What should I do for the science fair?