Molar mass of a nonpolar molecular compound
What is the molar mass of a nonpolar molecular compound if 5.52 grams dissolved in 36.0 grams of benzene begins to freeze at -1.87oC? The freezing point of pure benzene is 5.50 oC and the freezing point depression constant, Kfp, is -5.12oC/m.
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What are the oxidizing and reduction agents for 1. Al(s)+3Ag^+(aq)--->Al^3+(aq)+3Ag(s) 2. SO3(g)+H2O(l)--->H2SO4(aq) 3. Ba(s)+Cl2(g)--->BaCl2(s) 4. Mg(s)+Br2(l)--->MgBr2(s)
A child goes down a playground slide with an acceleration of 1.40. Find the coefficient of kinetic friction between the child and the slide if the slide is inclined at an angle of 26.0 deg below the horizontal.
Discuss the trade-offs between fiber optic and satellite communication in terms of costs, signal capacity, signaling method, interference, likelihood of failure and repair issues, multipoint capability, reconfiguration capability, and noise.
A gearset consists of a 16-tooth pinion driving a 40 tooth gear. The diametral pitch is 2, and the addendum and dedendum are1/P and 1.25/P respectively.
There are 3 compounds with the formula C2H2Br2. Two of the 3 have dipole moments, and one does not. Draw the structures of all three compounds and tell which has no dipole moment.
A sample contains BaCl2.2H2O and NaCl. The total mass of the sample is 1.500g. After the sample was heated, the residue weighs 1.353 g.
Consider a cylindrical titanium wire 3.0 mm in diameter and 2.5 x 104 mm long. Calculate its elongation when a load of 500N is applied, assuming that the deformation is totally elastic.
If you take a 10.5mL portion of the stock solution and dilute it to a total volume of 0.350 L, what will be the concentration of the final solution?
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