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Complete the following reaction, which took place in a separatory funnel, between diphenylamine dissolved in ether and excess 5% HCl.
Gases W, X, Y, Z obeys van der Waaks equation of states with a and b values are given in liter-atm units. Which gas has the highest critical temperature? Which gas has the largest molecules? Which gas has the most nearly ideal gas behavior at ..
Given the values of So given below in J/mol K, calculate the value of DSo in J/K for the combustion of 1 mole of ethane to form carbon dioxide and liquid water.
To obtain the same antifreeze protection requires 76 g of propylene glycol to replace each 62 g of ethylene glycol. Calculate the mass of propylene glycol required to replace 9.00 gal of ethylene glycol.
Initially a mixture contains 0.601 mol each of N2 and O2 in an 7.65-L vessel. Find the composition of the mixture when equilibrium is reached at 3900°C. For the reaction below, the Kc = 0.0123 at 3900°C. N2(g) + O2(g) 2 NO(g)
Distilled water in equilibrium with air contais dissolved carbon dioxide at a concentration of 1.0 x 10^-5 M. Calculate the pH of such a solution.
Without doing a calculation, which of the bonds below would you expect to have the higher stretching frequency. C-O or C=O
A solution is prepared by dissolving 0.11 mol of acetic acid and 0.11 mol of ammonium chloride in enough water to make 1.0 L of solution. Find the concentration of ammonia in the solution.
Compute ΔU for the transformation; a = 0.136 m6Pa mol-2 ; b = 0.0391 L/mol.
A metal stand specifies a maximum load of 450 lb. Will it support an aquarium that weighs 59.5 lb and is filled with 37.9 L of seawater (d = 1.03 g/mL)?
We did a lab in Chem where we put a liquid into a flask, secured foil on the top and poked a hole in the foil so the vapor could push out the air
Complete and balance the following redox equation using the smallest whole-number coefficients. Show the steps. Sn (s) + HNO3 --> SnO2 (s) + NO2 + H2O (not balanced, assume acidic solution)
A molecular orbital in a diatomic molecule that has a nodal plane containing the internuclear axis and no nodal plane perpendicular to the internuclear axis is of
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