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Find delta E, delta H, q, and w for the change in state of 1.0 mol H2O(l) at 84 degree C to H2O(g) at 109 degree C. The heat capacity of H2O(l)= 75.3 J/molK, heat capacity of H2O(g)= 25.0 J/molK, and the heat of vaporization of H2O is 40700 J/mol at 100 degree C.
Suppose that each of the following pairs of compounds are being used as reactants in this experiment. Draw structures of the intermediate imines formed,
Suppose that you obtain 1.0 g of salicylic acid from the hydrolysis of 1.3 mL of methyl salicylate. Calculate your percent yield.
Which of the following properties indicates the presence of strong intermolecular forces in a liquid
consider the reaction of 215ml 2.15M nitric acid with 26.0 g of solid iron(2) carbonate for the following questions 1. write the balanced chemical equation for this reaction 2. which reactant is the limiting reactnat?
In the qualitative cation analysis procedure, Bi3+ is detected by the appearance of a white precipitate of bismuthyl hydroxide, BiOOH(s): BiOOH(s) --->
A weather balloon is inflated to a volume of 26.5L at a pressure of 735mmHg and a temperature of 24.5 degreed C. The balloon rises in the atmosphere to an altitude, where the pressure is 390.mmHg and the temperature is -13.9 degrees C.
what is the corresponding pressure difference between points A and B, in mmHg. At which point (A or B) is the pressure higher, and why? The temperature is 60 °F throughout
What is the nuclear binding energy per mole if the mass defect of a certain isotope is 0.4941 u per atom or 0.4941 g per mol? Express your answer in joules.
What is the name of the haemoglobin variant? Would this haemoglobin demonstrate a left or right shift on an oxygen dissociate curve ? Fully justify your answer.
What mass of salicylic acid is needed to produce one extra strenght tablet of aspirin if the reaction has 60% yield. Please show work and correct sig figs.
calculate the stoichiometric air-fuel ratio of a fuel blend containing 80 vol.% ethanol and 20 vol.% gasoline
Calculate the PH and [SO42-] in 500. ml of sulfuric acid solution that was made by dilution of 13.3 mL of 3.0 stock soultion
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