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Consider the following reaction at constant P. Use the information here to determine the value of Delta-Ssurr at 398 K. Predict whether or not this reaction will be spontaneous at this temperature. 4 NH3(g) + 3 O2(g) ? 2 N2(g) + 6 H2O(g) Delta-H = -1267 kJ please show all work step by step
Calculate the specific heat capacity of a sample liquid if this 100 g sample of an unknown liquid absorbs 2000 J of heat energy, raising the liquid's temperature from 50 degree Celsius to 70 degree Celsius?
Calculate the cumulative acid equivalents per square meter that were deposited in the watershed over the entire period 1880-1950.
Conjugation of the functional group in alkyl socyanates has little impact on the antisymmetric -N=O stretching vibration located near 2770/cm . Explain.
A fixed quantity of gas at 21 0C exhibits a pressure of 98 torr and occupies a volume of 5.22 L. Use Charles's law to calculate the volume the gas will occupy
The possible compounds are listed below. Two methods of positive identification are required for each compound. Benzoic acid benzoin 1,4-dibromobenzene flourene o-Toluic Acid 4-aminoacetophenone
a coffee cup calorimeter contains 525.0 g of water at 25.0 oc. to it are added350.0 g of water at 48.3 oc 480.0 g of
An increase in which of the following will occur if the reaction temperature is increased? I. Energy of activation II. Collision frequency III. Fraction of collisions with sufficient energy
It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water (dehydration).
Is the melting of wax a physical or chemical change? from the mass measurement only,( the mass of the candle at 0 minute is 10.1g, after 30 minutes is 7.4g) how could a chemical also be proved to have occured in the burning of candle.
what are the advantages and disadvantages of recycling
Calculate the pH of the solution after a)10.0mL b)20.0mL c)30.0 mL of acid have been added; pkb of (CH3)3N=4.19 at 25 degree celcius.
A sample of blood plasma occupies .550 dm3 at 0 degrees C and 1.03 bar, and is compressed isothermally by 0.57 per cent by being subjected to a constant external pressure of 95.2 bar. Calculate w.
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