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Problem- Propose the argument that, for any liquid at atmospheric pressure (that is, a liquid that boils above room temperature when the external pressure is 1 atm), the numerical value of delta Hvap in joules per mole is greater than the numerical value of delta Svap in joules per kelvin per mole. (Explain and justify each step and any assumptions.)
Demonstrate structures to prove your interpretation working it out this problem
If 0.250 L of aqueous solution with a density of 1.00 g/mL contains 13.7 micrograms of pesticide, express the concentration of pesticide in ppm
question when a 2.00-g sample of kscn is dissolved in water in a calorimeter that has a total heat capacity of 1.717
a 49g piece of ice at 0 degrees c is added to a sample of water at 9 degrees c. all of the ice melts and the
what is the boiling point of a solution of 8.69 g of the electrolyte sodium acetate nach3coo dissolved in 15.00 g of
Suppose that one needs 17.65mL of 0.1146M NaOH to titrate 25.00mL of acetic acid, a weak acid, to the equivalent point. Calculate [HAc]
would the equilibrium constant for the formation of Cu(OH)2 (s) be greater or lesser than the equilibrium constant for the formation of Cu(NH3)4^2+ (aq)? Please explain your reasoning.
Finding out amt of sugar in sodas. If the soda unknown was set out thus the carbonation is lost. What would have been the effect of deter. Of densities if this hadn't been done? Would it affect accuracy or precision of density measured? Is it syst..
The 2D model can encompass degenerate energy levels. For various combinations of the n(x) and n(y), compute the energies of the eleven lowest energy levels which will accommodate the 22π electrons.
What is delta U when 1.00 mol of liquid water vaporizes at 100 degrees C? The heat of vaporization is 40.66kJ/mol at 100 degrees C.
Calculate Hrxn for the reaction below. Ca(s) + 1/2 O2(g) + CO2(g) CaCO3(s) You are given the following set of reactions. Ca(s) + 1/2 O2(g) CaO(s) H = -635.1 kJ CaCO3(s) CaO(s) + CO2(g) H = 178.3 kJ kJ
Give the balanced redox reaction for each possibility and explain your reason for selecting the reaction which will occur. Assume standard solution concentrations.
How do you know if a problem asking for the ph of a solution involves an acid or a base if it is not explicitly stated. Would you have to have had prior knowledge of which compounds are acids and which compounds are bases.
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