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A gaseous reaction takes place at a constant pressure of 50.0 atm and releases 57.7 kJ of heat. Prior to the reaction, the volume of the system was 8.80 L. subsequent to the reaction, the volume of the system was 2.60 L.
Compute the total internal energy change, Delta U, in kilojoules
the molar heat of vaporization at 298 k for diethyl ether is 26.0 kjmol. how much heat would be requiered to vaporize
Draw a cooling curve for a sample of steam that cools from 110 degrees C to -10 degrees C. indicate the segments of the graph that correspond to each of the following: a)solid; b) freezing; c) liquid; d) condensing; e) gas.
The solid and toluene together weigh 58.34 g. The density of toluene at the temperature of the experiment is 0.864 g/mL. What is the density of the solid?
Write an equation for the reaction of semicarbazide with acetophenone to form a semicarbonazone. What is the melting point of this derivative?
What minimum mass of succimer (C4H6O4S2) is needed to bind all of the lead in a patient's bloodstream? Assume that patient blood lead levels are 25 , that total blood volume is 5.0 L , and that one mole of succimer binds one mole of lead.
one type of electromagnetic radiation has a frequency of 107.1 MHz another type has a wavelength of 2.12*10^-10m,and another type ofelectromagnetic radiation has photons with energy equal to 3.97*10^-19J/photon. identify each type of electromagnet..
When a catalyst is added the reaction 2SO2(g)+O2(g)?2SO3(g) takes place. At equilibrium the total pressure is 4.05atm . Find the value of Kc.
Show that the proton condition for a NH4Cl solution is a linear combination of the mass balance equations and the charge balance equation.
For which of the following changes is it not clear whether the volume of a particular sample of an idea gas will increase or decrease
Compute the equilibrium constant for the reaction between Sn2+ (aq) and Cd(s)
Ksp for PbCrO4 at 25oC is 2.0 x 10-14. A sample of 1.000 mg of PbCrO4 is added to 1.0 L of water at this temperature.
How much heat is gained by copper when 51.8 g of copper is warmed from 15.5*C to 76.4*C? The specific heat of copper is 0.385 J/(g x *C)
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