Wet air has a total pressure of 765.0 mm Hg at 25 degrees C. The partial pressure of the water vapor is

A mm Hg and the partial pressure of the

dry air is

^ mm Hg.

What piece of lad equipment would you use to conduct a small chemical experiment?

What made alchemy unscientific in its practices? A. It was not accepted by scientists. B. It could not turn metal into gold. C. It was not based on evidence and experiment. D. It was not based on the atom being the basic unit of matter.

2. Which of the following pairs of reactants will occur most quickly? (1) sodium chloride and silver nitrate (3) hydrogen and propene (2) water and hydrogen chloride (4) oxygen and methane (CHA)

Which of the following can explain the daily change in sea level observed along a coast? A. The gravitational pull of the moon on the water near the coast B. The speed of the ocean's conveyor belt near the coast C.

What is ductiliy in a solid

Convert 1.72 moles of magnesium carbonate to formula units

5 atoms Pb to mol Pb

The diagram above shows the results of Rutherford's experiment in which he used a radioactive source to "shoot" alpha particles at a thin sheet of gold foil. Based on these results, what were Rutherford's conclusions? A.

Raphaela wants to enter the school science fair and has a list of ideas for a project. Which questions could she answer through scientific investigation? Check all that apply.

When you open a solid room air freshener, the solid slowly loses mass and volume. how do you think this happens?