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Benzene's (C6H6, MM= 78.11184 g/mol) vapor pressure at 25.0 degrees C is 95.00 mm Hg. What is Nitroglycerin's molar mass if the addition of 0.454 g of nitroglycerin to 100.0 g of benzene changes the solution's vapor pressure to 94.85 mm Hg?
at 90C the foll equilibrium is established, H2(g) + S(s)=H2S(g) K=6.8*10-2 If 0.2 mol of hydrogen and 1 mol of sulphur are heated to 90C in a 1L vessel.
A cook wants to heat 1.75 of water from 26.0 to 100.0 If he uses the combustion of natural gas (which is exothermic) to heat the water, how much natural gas will he need to burn? Natural gas produces 49.3 of heat per gram.
Use the van der Waals parameters for chlorine to calculate approximate values of (a) the Boyle temperature of chlorine and (b) the radius of a Cl2 molecule regarded as a sphere.
Determine mass of water is contained in 2.8 Litres of the vapor in this solution at 55 degree celcius temperature express your answer in grams
A 4.50-g sample of LIL at 25.oC dissolves in 25.0 mL of water also at 25.0C. The final equilibrium temperature of the resulting solution is 60.8C. What is the enthalp of solution of LICL expressed in kilojoules per mole?
A 2kg iron bar (c of iron is 440 J.kg .K) is heated to 80 Celsius. The bar is dipped in 5kg of water at 20 Celsius in a heat insulated container. What will be the equilibrium temperature inside the container?
do not specify stereochemistry. (The absolute stereochemical configurations of chiral substances cannot be determined from the data.)
The principal quantum number (n): A. specifies the principal shell of the orbital. B. specifies the subshell of the orbital. C. specifies the 3-D shape of the orbital
Calculate the amount of heat liberated (in kJ) from 325 g of mercury when it cools from 81.9°C to 10.0°C.
When adjusted for any changes in delta h and delta S with temperature, the standard free energy change delta G at 500K is equal to 9.8x10 4 J/mol.
Calculate the work done on a 2500. kg car in accelerating it from rest to a speed of 100. km/hr.
Consider the zinc atoms of ZnSe. With what pairs of atoms could the Zn be replaced to make another isoelectronic solid
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