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A total of 250.0 g of ice melts.If the same amount of energy absorbed by the ice while melting wasadded to water at 100 oC, how many grams of this hotwater could be vaparized?
In a common protein analysis, a dye binds to the protein and the color of the dye changes from brown to blue. The intensity of the blue color is proportional to the amount of protein present.
total reaction solution volume of 100 ml and use 1M HCl acid and 1M sodium Hydoxide. how do you accont for their different delta t and q neutralization?
Calculate the total volume of gas (at 124C and 758mmHg) produced by the complete decomposition of 1.45 kg of ammonium nitrate.
At what pressure does the mean free path of argon at 25C become comparable to the size of 1dm^3 vessel that contains it? take ?=.36nm^2
Calculate the pH at the equivalence point in titrating 0.100M solutions of each of the following with 8.0×10-2 M NaOH.
sodium azide a compound containing only sodium na and nitrogen n is used as a propellant for inflating airbags in some
Calcium nitrate will react with ammonium chloride at slightly elevated temperatures, as represented in the equation Ca(NO3)2(s) + 2NH4Cl(s) ? 2N2O(g) + CaCl2(s) + 4H2O(g). What is the maximum volume of N2O at STP that could be produced using a 2.4..
The density of the hydrogen peroxide solution is 1.01 g/ml and the solution contains 3.40% H2O2 by mass. The vapor pressure of water at 24 celsius is 22mmHg. Based on this data and information calculate the molar volume at STP.
Calculate the volume of a 0.122 M potassium permanganate solution needed to react with a second 15.0 ml sample of the oxalic acid solution. The oxalic acid is oxidized into carbon dioxide in the second reaction
Compute a wavelength of the yellow light emitted by a sodium lamp if the frequency of the radiation is 5.10*10^-14hz
How many moles of H2SO4 must be present to react completely with the NaOH delivered from the buret.
consider the following equation for which keq 1.4e83 at 25oc.2 h2g o2g h2olwhat is the value of keq for the reaction
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