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Calculate the pH of the solution made by adding 0.50 mol of propanoic acid, ( C2H5COOH or HC3H5O2) and 0.30mol of sodium propanoate (C2H5COONa or NaC_3H_5CO_2) to 1.00L of water. The value of Ka for C2H5COOH is 1.3x10^-5.
Write a hybridization and bonding scheme for each molecule. Sketch the molecule, include overlapping of orbitals, and label all bonds. a) CCL4 b)NH3 c)OF2 d)CO2
Write the structure of the conjugate acid of this base while consider the base monosodium phosphate, Na (HO)2P( O)O also explain why an aqueous solution of monosodium phosphate would be ineffective for extracting benzoic acid? pKa of this conjugat..
Write a balanced equation for the decomposition reaction described, using the smallest possible integer coefficients.
Rank these elements according to first ionization energy (highest to lowest) : Ne, F, O, N, C, B, Be, Li. HINT: There is a general trend for ionization energy within a period of the periodic table
How much alcohol must be burned to generate enough heat to warm 279kJ from 60 degrees fahrenheit to 180 degrees fahrenheit? Express answer in grams. Show entire process
Catalyzes the synthesis of ATP when protons flow down their electrochemical gradient 4. Utilizes ATP hydrolysis to pump protons down their electrochemical gradient I picked 1/3/4, because 2 uses protons and not electrons.
A rigid tank with a volume of 2.5 m3 contains 15 kg of saturated liquid-vapor mixture of water at 75 0C . The water is heated. Determine the temperature at which the liquid in the tank is completely vaporized.
Explain how the enthalpy, entropy, and free energy of this system change as the dissolving process proceeds. Of the three parameters, ÄS, ÄH, and ÄG, specified in part 1, which has a sign different from the other two. Explain.
Chloroform has Hvap=29.2 kj/mol and Svap=87.5j(K*mol). what is the boiling point of chloroform in Kelvins
Calculate the volume the gas will occupy if the temperature is increased to 175 degree Celcious while the pressure is held constant.
What is the final pressure in the bottle for a monatomic gas, for which CV,m = 3/2R, and a diatomic gas, for which CV,m = 5/2R?
calculate the quantity of heat in calories release when 241.62 g of water is cooled from 80.6degc to
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