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The vapor pressure of chlorine dioxide (ClO2) is 155 Torr at 22.75 C and 485 Torrat 0C. what is the standard enthalpy of vaporization?
The delta G for the reaction is 2.60 kj/mol at 25 degrees C. The initial pressures are P H2 = 3.34 atm, P I2 = 0.024 atm and P HI = 0.24 atm.
Final temperature after urea dissolves in water, What is the final temperature of the solution in kJ? The density of water is 4.18 J/g·°C. What is the final temperature in °F? F = °C x 1.8 + 32 (Round your answer to one decimal place)
An unknown gas effuses at a rate of 86.6 mol/hr. Under similar conditions, I2 effuses at a rate of 30.4 mol/hr. What is the molar mass of the compound.
which hydroxide precipitates first as NaOh is slowly added to the solution? b) what is the molar concentration of the first cation precipitated when the other cation just starts to precipitate out of solution?
Non-Bridging Calcium-Oxide Ions, What weight percent of CaO should a glass be for 20% of the oxygen ions to be non-bridging, if the glass contains only SiO2 and CaO?
Consider the following reaction: SO2Cl2 (g) SO2 (g) + Cl2 (g). K = 2.99*10^-7 at 227 degrees celsius. If a reaction mixture initially contains 0.159 , what is the equilibrium concentration.
Calculate the number of moles of Cl atoms in 1.20×1024 of magnesium chloride, MgCl2.
Calculate the mass of NaHCO3 that was used up in the reaction for each beaker. The molecular weight of NaHCO3 is 84.007 g/mole.
The reaction of 0.130 moles of a metal with an acidic aqueous solution in a calibrated calorimeter causes the temperature to increase by 49.0°C.
Calculate the mass of nitrogen dissolved at room temperature in an 77.0 home aquarium. Assume a total pressure of 1.0 and a mole fraction for nitrogen of 0.78.
The heat of neutralization of HCl by NaOH is H°rxn = -56.2 kJ/mol. How much heat is released when 125 mL of 1.750 M HCl is mixed with 195 mL of 0.667 M NaOH.
vinegar contains 5.0 g of acetic acid, CH3COOH,in 100.0 mL of solution. Calculate the molarity of acetic acid vinegar.
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