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Question- A gaseous mixture contains 450.0 Torr of H2(g), 387.7 Torr of N2(g), and 89.7 Torr of Ar(g). Calculate the mole fraction, X, of each of these gases.
A buffer is made up of 355 mL each of 0.200 M NaHCO3 , and 0.134 M Na2CO3 . Assuming that volumes are additive, calculate
A certain brand of gasoline has a density of 0.67 g/ml. If a car has a gas tank compasity of 16 gallons, How many pounds of gasoline are in a full tank
In 30% surplus air methane combustion the adiabatic flame temperature is higher by at least 50 degrees when species dissociation is neglected.
Express the pressure of hydrogen in atm after the volume has changed to 1.28 L and the temperature is raised to 114 oC.
Determine delta H of this reaction (kJ/mol H 2 SO 4 ) - When 24.4 mL of 0.500M sulphuric acid ,H 2 SO 4 is combined to 24.4ml of 1.00M potassium hydroxide KOH in a coffee cup calorimeter
How many moles of urea (60. g/mol) must be dissolved in 100 g of water to give a 2.5 molal solution?
blood alcohol content bac is often reported in weight-volume percent wv. for example a bac of 0.08 corresponds to 0.08
How would you decide which one of the amino acids has a side chain which is likely to be on the surface of globular protein
Calculate the molarity of the ions present in these salt solutions. Assume each salt to be 100% dissociated. Please show all work.
why is it that a solution of sodium dichromate in sulfuric acid is perfect to oxidize a secondary alcohol to a
the reactant concentration in a zero-order reaction was 7.00times10-2 after 180 and 3.00times10-2 after 340 . what was
Using the bond energies below determine the value and sign of delta H
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