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If, at constant pressure, the absolute temperature of a flask equipped with a moveable piston is reduced to half its original absolute temperature, what must be the new volume? A) 1/4 the original volume B) 1/2 the original volume C) two times the original volume D) four times the original volume E) equal to the original volume
.134 mole of KCl and .212 mole of CaCl2 were dissolved in water, calculate total number of Cl ions in the solution
Arrange the following compounds by boiling point: 1-pentanol hexane 1-pentanamine butyl methyl ether
An ideal gas mixture containing 65.0 mol% carbon dioxide and 35.0 mol% nitrogen monoxide is to be prepared by allowing gaseous carbon dioxide to fill an evacuated 30.0 L cylinder to a pressure of 2.15 bar. The temperature is 415 K.
What is the percentage ionization of the acid? What is the value of Ka for the acid? 2) Periodic acid, HIO4, is an important oxidizing agent and a moderately strong acid. In a 0.20 M solution
Write the balanced net ionic equation for this reaction. How many H+ are there in the balanced equation?
How many different tripeptides can be made from two molecules of glycine and one molecule of histidine
Draw (a) planar conformation and (b) nonplanar (chair) conformation of trans 1,4-dimethylcyclohexane.
In the laboratory, a student named Georgia weighed 4.75 grams of an unknown solid mixture containing benzoic acid, copper (II) sulfate and sand. She added 15mL of acetone to her sample. Which component of the mixture is dissolved in the acetone?
Calculate the equilibrium concentrations of IO3- and Cd2+. Assume volumes are additive, and the temperature remains constant
How many milligrams of Ni would be plated on the cathode if a current of 0.20 A is drawn for 2.8 hrs? mg Ni b) What is [Cr3+] when [Ni2+] has dropped to 10-4 M? [Cr3+] = c) What is the cell potential at the conditions described in Part b E = V
The molecular weight of vincristine, a pharmaceutical drug, is 923.04. It is supplied in 1 mg per vial. You want to treat your culture cells with a final concentration of 5 hM vincristine and will need 30 ml of cells for your experiment
A solution of H2SO4(aq) with a molal concentration of 3.22 m has a density of 1.183 g/mL. What is the molar concentration of this solution?
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