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The enthalpy of vaporization of ethanol is 38.56 kJ/mol. It has a boiling point of 351.44 K. What is the difference in entropy between ethanol's liquid and gaseous states at 351.44 K? What I'm asking is what is the size of the "jump" on the Sm versus Temperature curve.
Consider a container of volume 2.0 dm3 that is divided into two compartments of equal size. In the left compartment there is nitrogen at 1.0 atm and 25°C; in the right compartment there is oxygen at the same temperature and pressure
Calculate mass of the dye per liter Kool Aid solution C in units of grams/L, i got a molecular weight of the dye as 496.42g/mol a concentration of the dye as 1.26x10^-14 mol/L and a mass of Kool Aid of 0.566g
Determine the value of the equilibrium constant at this temperature - Ammonium Hydrosulfide NH4HS yields NH3(Ammonia) and Hydrogen sulfide
A dioxin-contaminated water source contains 0.081% dioxin by mass. How much dioxin is present in 4.2 L of this water (Assume that the density of the solution is 1.01 g/mL.)
What mass of HCl is consumed by the reaction of 3.84 mol of magnesium? Answer in units of g.
You are investigating the metabolism of glutamic acid in E coli, which enters the TCA cycle as a-Ketoglutarate following an initial transamination reaction.
An ionic compound forms when calcium (Z = 20) reacts with iodine (Z = 53). If a sample of the compound contains 1.29x10^19 calcium ions, how many iodide ions does it contain
5 Stars for showing work. A galvanic (voltaic) cell consists of an electrode composed of zinc in a 1.0 M zinc ion solution and another electrode composed of gold in a 1.0 M gold(III) ion solution
Calculate the volume of a 2.00 M KOH solution needed to neutralize 40.0 mL of a 0.600 M H2SO4 solution.
Photomultiplier tube with 9 dynodes and an applied voltage of -90V applied. explain how this set up can generate 10^7 electrons at the anode for each photon hitting the cathode.
A 54.14 g sample of a substance is initially at 28.6 C. After absorbing 2631 J of heat, the temperataure of the substance is 179.1 C. What is the specific heat (c) of the substance
Calculate the uncertainty (in nm) in the position of an electron with the velocity of 2.00x103 m/s (the velocity is the same as in the preceding problem) and the uncertainty in the velocity is 1%. (2 significant figures are plenty).
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