A sample of oxygen gas at a pressure of 788 mm Hg and a temperature of 75 °C, occupies a volume of 7.13 liters. If the gas is cooled at constant pressure to a temperature of 26 °C, the volume of the gas sample will be___ L.

A gem has a mass of 4.50 g. When the gem is placed in a graduated cylinder 12.00 mL of water, the water level rises to 13.45 mL.

How many calories are in a peanut butter and jelly sandwich

The effective nuclear charge experienced by the outermost electron of Na is different than the effective nuclear charge experienced by the outermost electron of Ne. This difference best accounts for which of the following

Faraday's law calculates how many amperes are generated. True or false?

Draw Lewis structures for each of the following moecules. Show resonance structures, if they exist A) O2 B) N2 C) CO D) SO2

How are intermolecular forces different from the forces that bond atoms together into molecules? How are they similar?

Assuming a constant temperature which sample below would you expect to be at the highest pressure?

What is 16.7 cubic feet expressed in cubic centimeters

3. Using Equation 18-5 and the pKIn value you found, determine the ratio [In-]/[HIn] at the pH in the middle of the range you studied (i. e., pH = 6.0 for bromocresol purple, pH = 7.0 for bromothymol blue, and pH = 7.7 for phenol red).

Suppose you begin with 1.50~g of the hydrate copper (II) sulfate · x-hydrate (CuSO4· x H2O), where x is an integer. After dehydration you find that you are left with 0.96~g of the an-hydrate CuSO4. What is the unknown integer x.