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For a particular reaction, Delta H = -30kJ and Delta S = -92J/K . Assume that Delta H and Delta S do not vary with temperature. Part A. At what temperature will the reaction have Delta G = 0?
body scanners used in hospitals operate with 400 radiofrequency energy.How much energy does this correspond to in kilojoules per mole?
Calculate the capacitive reactance, the impedance, and the phase angle, phi, for a series RC circuit having a frequency, f of 1.00e+04 Hz, resistance,
Place the following compounds in order of increasing strength of intermolecular forces. CH4, CH3CH2CH3, CH3CH3
It takes 55.0 J to raise the temperature of an 11.7 g piece of unknown metal from 13.0 C to 25.0C. What is the specific heat for the metal?
Many scientists and business professionals describe the achievement as a turning point. Provide a summary of what took place during the project and why such activity is significant for us today.
Calculate the cell potential for the following reaction as written at 53C, given that [Zn2+]= .841M and [Fe2+]= .0160M. Standard reduction potentials are Zn(s)= -.76, Fe2+(aq)= +.771, Zn2+(aq)= -.76, Fe(s)= -.04
You use 32.0 mL of NaOH to titrate 100. mL of HCl and 22.2 mL of NaOH to titrate 50.0 mL of 0.0836 M H2SO4. Find the unknown concentrations. NaOH HCl
A 20.0 mL sample of gastric juice was taken from a patient suspected of having hypochloridia (low stomach acid). The sample was taken several hours after a meal so there was no ingested food or drink
how many grams of sulfur are needed to react completely with 246 g of mercury to form HgS
What is the vapor pressure of SiCl4 (in mm Hg) at 23.5 C? The vapor pressure of SiCl4 is 100 mm Hg at 5.4 C and Delta H vap
A wastewater treatment plant serves a population of 83, 355 people. If its primary sedimentation tank can remove 55% of the incoming solids, how much primary sludge should be produced each week
Calculate the pH of a solution made by mixing 2.0 M HF and 2.0 M HCN. Also calculate the concentration of CN- ion at equilibrium.
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