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If delta H is negative and delta S is positive, which of the following is true? a) The reasction os never spontaneous, b) the reaction is always spontaneous? c) the reaction is spontaneous at high temperatures d) the reactions is spontaneous at lower temperatures. e) none of the above
Water's bad smell containing hydrogen sulfide H 2 S that can be removed by the action of Cl considering the given reaction.
The gas in a piston (defined as the system) is warmed and absorbs 670 J of heat. The expansion performs 347 J of work on the surroundings. What is the Change in internal energy for the system?
The radius of a iron atom is 124 pm. How many iron atoms would have to be laid side by side to span a distance of 1.71 mm?
How would the stereochemical outcome of the bromination reaction differed if we would have started with cis-cinnamic acid
What are the major products of 1methylcyclopentene reacts with BR2 and CCl4 can someone illustrate it with drawings is better if i can see it
Calculate the pH of a solution prepared by diluting 2.5 mL of 1M acetic acid up to a final volume of 100 mL (pka 4.76)
A cylindrical vessel with rigid adiabatic walls is separated into two parts by a frictionless adiabatic adiabatic piston. Each part contains 50.0L of an ideal monatomic gas with Cv = 3R/2. Initially, Ti = 325K and Pi = 2.50x10^5 Pa in each part.
What will be the likely effect of clearing forests and converting them to grasslands and crops on (a) the earth's reflectivity (albedo) and (b) the earth's average surface temperature?
determine the boiling point of a solution of 72.4 g of glycerol dissolved in 122.5 g of
What are the most important energy considerations which determine whether or not this compound can be prepared?
What volume of a 0.110 M NH4I solution is required to react with 923 mL of a 0.480 M Pb(NO3)2 solution? b. How many moles of PbI2 are formed from this reaction?
Do these lambda maxs indicate an increase or a decrease in the energy of the light absorbed as the number of EN ligands bound to Cu(II) increases
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