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An automobile tire has a pressure of 325 kPa when the temperature is 10 degrees celcuis. If the temperature of the tire rises to fifty degrees celcuis and its volume is constant, what is the new pressure?
Calculate the change in the mass of copper at the anode or cathode if the charge calculated above is passed through the cell described. Enter your answer as a positive quantity in mg. Mass change at the electrode = ? mg
How much heat (in ) is required to warm 12.0 g of ice, initially at -11.0 degrees C, to steam at 111.0 degrees C? The heat capacity of ice is 2.09 and that of steam is 2.01 J/gC.
diamond powder (C) and BaCO3, separates the mixtures and recovers 1.75g sugar, 0.86g diamond powder and 2.29g BaCO3(s). Calculate the percent recovery and percent composition if the initial mixture they started with weighted 5.08g
How does the Rf value of a given metal ion in solution by itself compare to its Rf value when it is in a mixture with other metals ions?
If 4.00 mL of vinegar needs 41.5 mL of 0.150 M NaOH to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.80 qt sample of this vinegar?
Calculate (a) the maximum non-expansion work, and (b) the maximum work that can be obtained from the freezing of supercooled water at -5 oC and 1.0 atm.
the reduction of 9-fluorenone to 9-hydroxyfluorene by sodium borohydride. What is the limiting reagent in the following procedure?
The quantity of acetylene (HC+CH) in a gas mixture was measured by mass spectrometry, in which the signal for mass number 26 is proportional to the volume percent of acetylene. Gas Signal (mV) Blank containing no acetylene 0.2
You mix 1.0 mL of 0.50 M of Cu(NO3)2 with 6.0 mL of 0.50 KI, and collect the dry CuI precipitate. How many moles of CuI precipitate are expected from Cu(NO3)2
describe one or more simple chemical tests that would distinuish acetaminophen from ibuprofem
Ionization energy is the energy needed to eject an electron from an atom. Compute the ionization energy of a hydrogen atom in its fourth
How many milliliters of a 330 mL solution of 1.5 M Na3PO4 must be used to make 53 mL of a solution that has a concentration of .5 M PO43-?
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