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Ka for cyanic acid (HCNO) =3.5 x 10-4 at 25°C . Write the equilibrium that corresponds to Ka.
The standard heat of combustion of butane gas= - 2.880 x 103 kJ mol-1 at 25 ° C when the products are carbon dioxide gas CO2 (g) and water H2O (l). compute the value of ΔH ° if the combustion products are CO2 (g) and H2O (g). it isgiven that: CO2 (g) = ΔHf ° - 393.5 kJmol-1; H2O (l) = ΔHf ° -285.8 kJmol-1; H2O (g) = ΔHf ° -241.8 kJmol -1.
Compute the molarity of a solution prepared by dissolving 15.2 grams of CaCl2 in H2O with a solution volume equal to 5.00 x 10² millimeters.
determine how many grams of C 12 H 22 O 11 (sucrose) (mm = 342 g/mol) does he need if he uses 375 grams of Water? it is given that the vapor pressure of water =17.5 mm Hg. at 20 degree celsius temperature)
determine the renal extraction ratio for CHF patients it CHF reduces renal function by 1/2 and state and give explanation which is the more abundant isotopic form of copper.
Determine at what minimum angle relative to the centerline perpendicular to the doorway can someone outside the room hear no sound?
What will be the resultant pressure when the stopcock is opened?
Guesstimate the extent of the dipole moment of H 2 O in Debye units, treating H 2 O as three point charges. suppose the O-H distance = 1.00 A, angle H-O-H =104°. The
Calculate the standard free energy change for the process N2O5(s)-->N2O5(g) at 25 0C if Vapor pressure of N2O5 at 7.5 degrees C is 100mmHg, and the solid sublimes at a pressure of 1.00 atm at 32.4 0C.
How much would an empty volumetric flask, (weighing 27.16 grams, has a volume of 100.4 cm3 ) weigh when filled with bromine, an element that has a density of 3.1028 g/cm3.
Calculate the Mn of the polyisobutene if A 7.5g polymer sample found to discolor 3.4 mL of a 0.05 M solution of Br in CCl4 ?
Compute the boiling point of this solution if Kf and Kb for H 2 O are given as 1.86°C/m and 0.512 °C/m , respectively.
Uses of de-Broglie equation in electromagnetic specra - Find the mass of oxygen and decomposed potassium chlorate along with the pressure in the glass bulb.
What is the order of the reaction if it takes 10 minutes, 20 minutes, 30 minutes to reach 75% conversion?
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