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Derive an expression for the compression factor of a gas thatobeys the equation of state: p(V - nb) = nRT, where b and R areconstants. If the pressure and temperature as such that Vm = 10*b,what is
An experimental method to estimate the density of a crystal is tocompare it to a variety of known densities. Solution J (density =1.9g/mL), Solution K (density = 1.5g/mL) and Solution L (density =1.
A solution of acetic acid isprepared in water by adding 11.1g. of sodium acetate to a volumetric flask and bringing the volume to 1.0L with water. The final pH is measured to be 5.25. What are the
What mass of ethylene glycol C2H6O2, the main component of antifreeze, must be added to 10.0 L water to produce a solution for use in a car's radiator that freezes at -23.3 C. Assume the
A chemical is placed in a beaker containing 20g. of soil and500ml of water. At equilibrium, the chemical is found in the soil at a concentration of 100 mg*kg-1 of soil.
At equilibrium, the chemical is found in thesoil at a concentration of 100 mg*kg-1 of soil. The eqilibrium concentration of this same chemical in the water is250 μg*L-1, at equilibrium, what i
You made up a saturated solution of calcium sulfate(CaSO4). The Temperature is 25 degreescelcius. You then add 5.00 X 10-3 M sodium sulfate(Na2SO4). What are the concentrationsof calcium and sulf
A 0.21 m3 drumcontains 100 L of a mixture of severaldegreasing solvents in water. The concentration oftrichloroethylene in the headspace (gas phase) above the water wasmeasured to be 0.00301 a
A gas at 250 K and 15 atm has a molar volume 12% smaller than that calculated from the perfect gas law. Calculate the compression factor of this gas under these conditions.
At 500 C and 93.2 kPa, the mass density of sulfur vapor is3.710 kg/m^3. What is the molecular weight of sulfur under these conditions?
What pressure would 131g of xenon gas in a vessel of volume1.0 dm^3 exert at 25 C if it behaved as a van der Waals gas?
Find the concentration of Hg vapor in air in mol/L What is the number of parts per million (ppm) by mass ofHg in air?
Hydrogen gas at a temp of 22.00C that is confined in a5.00 L cylinder exerts a pressure of 4.20 atm. If the gas is released into a 10.0 L reaction vessel at a temp of 33.6 C, what will be the pressu
If 34.0 g of solid with a molecular weight of 174.0 g/mole requires21.3 kJ of heat to melt it, what is the molar enthalpy of fusion,in kJ mol-1?
Chemical analysis shows that citric acid contains 37.51% C, 4.20% H, 58.20% O. What is the empirical formula for citric acid?
Perspiration has a slight acidity because of the presence of lactic acid (C3H6O3). Suppose weanalyze the perspiration of a chemistry student running late toclass.
Aqueous sodium hydroxide is produced commercially by the electrolysis of aqueous sodium chloride. Hydrogen and chlorine gases are also produced. write the balanced chemical equation for the producti
Given that the new organism absorbs light at 840nm, and that you need to perfomre a two electron trasfer, what would the changein redox potential be?
A 192 g piece of copper is heated to 100.0 deg C and then droppedinto a coffee-cup calorimeter containing 750.0 mL of water at 4.0deg C. What is the final temperature (in degrees C) of the copperand
An unknown volume of water at 18.2 deg C is added to 24.4 mL ofwater at 30.0 deg C. If the final temperature is 21.5 degrees C,what was the unknown volume of water added, in milliliters?
A steel block has a volume of o.08m3 and a density of 7,840kg m3. What is the force of gravity acting on the block(the weight) in water?
It takes 208.4 kJ of energy to remove one mole of electrons from the atoms on the surface of rubidium metal. If rubidum metal is irradiated with 254 nm light, what is the maxium kenetic energy
Sodium alkylbenzene sulfonate(C18H29SO3Na) is often used as asynthetic detergent. This ingredient helps prevent scale buildup in"hard" water applications.
As a system increases in volume, it absorbs 52.5 J of energy in the form of heat from the surroundings. the piston is working against a pressure of 0.5 atm. The final volume of the system is 58 L.
Ethanol (C2H5OH) is the alcohol found inintoxicating beverages. It has a heat of vaporization ofapproximately 39.0 kJ/mol. How many joules would be released when42.0 g of ethanol vapor condensed in