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Calculate the Gibbs energy for mixing of 3.0 moles of Ne(g) and 2.0 moles of He(g) at 298 K.
Calculate the number of O2 molecules it would take to consume 596 molecules of CS2.
The pH of coffee is approximately 5.0. How many times greater is the [H3O+] in coffee than in tap water having a pH of 8.0
A compound made up of only phosphorus and chlorine contains 77.45% chlorine by weight. What is the electron domain geometry of the central atom of this substance?
Determine an aqueous solution of a polymer that has an average molecular weight of 185,000 amu. Compute the molality that is needed to exert an osmotic pressure of 30 Pa at 37 C.
what is a cyanide based compound used in synthesis of methadone?
What volume of .2 M Na2SO4 will completely react with 50 mL of .135 M Ba(NO3)2
Complete the following reactions and state the dominant mechanism where indicated: (1S,2S)-1-bromo-1,2-diphenylpropane + NaOCH3 Methanol
Dissolve the crude product in the minimum amount of boiling solvent to keep the solution of the product at its saturation point and then allow to cool so pure crystals will form.
a compound is constituted by mass of 22.6 phosphorus the rest being chlorine. given that a volume of 307 ml of the gas
List the following bonds in order of increasing ionic character. (Enter your answer in the format H-O for the hydrogen-to-oxygen bond in H2O. Use the appropriate symbol to separate substances in the list.)
How many mmoles of mercury are in the sample? B) How many mg's of mercury are in the sample? C)What is the percent mercury (w/w) in the ointment?
For each of the compounds that forms hydrogen bonds, draw a diagram of the two molecules using a dotted line to indicate where the hydrogen bonding will occur.
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