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A thermometer reads -130.9 °F. What is the temperature in Kelvin?
Liquid X has a certain partial pressure when in the pure state. Liquid Y is then added and after equilibration the partial pressure of X did not change. There is no Y vapor detected. Did the liquids mix? Explain.
Arrange the following solvent systems in order of increasing polarity: chloroform, 9:1, and 1:1 cyclohexane-toluene.In which would you expect the highest Rf value for a given compound
A rigid tank contains dry air at 10 ° C. Add 20.0 L of water at the same temperature. We heat it all at 80 ° C and, when it achieve the balance
Write the chemical equation for all the reactions both SN1 and SN2 involving primary and secondary substrates
Show the mechanims of a the dehydration between the amino group on the lysine and the carboxylic acid on the valine that creates the peptide bond.
During this process, 346 J of work was done by the system and its internal energy increased by 6275 J. What is the specific heat of the gas
1. What is the pH at the equivalence point in the titration of 100 mL of 0.10 M HCl with 0.10 M NaOH?
Rare bacteria arriving on an asteroid from the invisible moon Teflonia eat C2F4 and use this raw material to make poly-TFE as their cell walls. (PTFE is teflon.) What happens to the equilibrium if the bacteria are added to the reaction mixture?
water consistent with this oversimplified approach? Explain your answer ( note that there is a threshold temperature below which this approach will have a significant error)
water vapor and nitrogen dioxide gas no2 are combined to manufacture ammonia. a byproduct of this reaction is oxygen
As discussed in the "Chemistry and Life" box on page 730, fluoride in fluorinated water or in toothpaste reacts with hydroxyapatite to form fluoroapatite, Ca5(PO4)3F,whose Ksp = 1.0 X 10-60 . Write the expression for the solubility-constant for hy..
Sn2 reactions occur at different rates depending on the structure of the substrate in the reaction . Would an Sn2 reaction occur at a faster rate on a primary or a tertiary substrate ? Briefly. Explain your answer
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