The pressure of a gas contained in a cylinder with a movable

piston is 2.62 torr. The area of the piston is 0.7 sq. meter.

Calculate the force that is exerted on the piston.

a 183.4 N

b 244.5 N

c 498.5 N

d None of the above

Isopropyl alcohol (C3H8O) is a common solvent used for cleaning and disinfectant purposes. Its mass spectrum is shown below.

A 30.0 g sample of a metal was heated in a hot water bath to 80°c. it was then quickly transferred to a coffee-cup calorimeter. the calorimeter contained 100.0 g of water at a temperature of 20°c.

In some areas of the world, deserts are expanding into places that were once forests. During this process, some of the forest trees will die off because of the change in climate. But, some of the trees may survive this process.

Using the equation MgCl2 - > Mg + Cl2, if 5.00 grams of MgCl2 is given, how many grams of Mg is produced?

Which is true about the potential energy of the reactants in this reaction pathway?

An atom had a mass of 43 and it also has has 21 electrons

What is the pH of a 3.40 mM of acetic acid, 500 mL in which 50 mL of 1.00 M NaOAc has been added? Ka HOAc is 1.8 x 10-5? What percentage of the acid is dissociated?

Round 100.1 C to 1 significant figure

What happens when two oceanic plates meet

What role does chlorophyll play in photosynthesis?