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Compute ΔS when 1.00 mol of water at 288 K is mixed with 1.00 mol of water at 370 K and the system comes to equilibrium in an adiabatic enclosure. Presume that Cp = 77 J K-1 mol-1 independent of T
a sample of tap water consists of water fluoride ions calcium ions and several other dissolved ions. the ions are
Calculate the partial pressure (in atm) of HBr at equilibrium when 5.00 atm of CH3Br and 5.00 atm of H2O react at 1000 K according to the following chemical equation
you will be using 1.4 grams of salicylic acid to make aspirin. salicylic acid is the limiting reagent and one mole of
An unknown consisting of a single sugar gives a negative fermentation test. Which one of the following tests would allow you to decide which of the five sugars used in this experiment you had?
epsom salts are hydrates of magnesium sulfate. the formula for epsom salts is mgso4 . xh2o. a 7.834g sample is heated
Antacid tablets contain a variety of bases such as NaHCO3, MgCO3, CaCO3 and Mg(OH)2, Only NaHCO3 has appreciable solubility in water. write a net ionic equation for the reaction of each antacid with aqueous HCl. include the state of each species. ..
How many ml of oxygen is dissolved in 50 ml blood plasma at 38 degrees C, if the partial pressure of oxygen in the plasma is 13.3 kPa?
A 1-in. thick steel plate measuring 10 in. in diameter is heated from below by a hot plate, its upper surface exposed to air at 80oF. The heat-transfer coefficient on the upper surface is 5 Btu/h ftoF and k for steel is 25 Btu/h ftoF.
When one mole of H20(g) is condensed to 1 mole of H20(l) at 1.00 atm and 100C, 40.66 kJ of heat is released. If the density of H20(l) at this temperature and pressure is .996 g/cm^3, calculate
what are the freezing point and boiling point of 0.20 m glycerol in ethanol?what is the freezing point of 2.04 g kbr
determine the ph of an equilibrium aqueous mixture of 1.0 m glycine gly and 0.5 m hcl assuming that pkdnan 9.8 for the
The reaction caused the temperature of the water to rise from 21.0 to 24.7 C. What is the enthalpy of this reaction. Assume that no heat is lost to the surroundings or to the coffee cup itself.
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