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a) The standard free energy for the neutralization of HCl with NaOH at 25 degrees Celsius is -79.9KJ/mol. Calculate the equilibrium constant for the reaction.
b) The Ksp for Ag2SO4 is 1.1x10^-5. Calculate thee standard free energy change for silver sulfate dissolution at 25 degrees Celsius.
You need to understand the factors that determine whether a reaction is under thermodynamic control or kinetic control and be able to predict the corresponding product.
A buffer is prepared by mixing 675 mL of 0.50 M formic acid, HCHO2, and 325 mL of 0.50 M sodium formate, NaCHO2. Calculate the pH.
A piece of metal weighing 10.0g is raised in tempreture from 25 C to 76.5C. it is found that it absorbed 47.6 calories of heat in the process.
a 43 L tank contains a gas under a pressure of 369 atm. What volume would the gas occupy at the same temperature at 710 torr of pressure?
What velocity would an electron (9.11x10^-31kg ) need for its de Broglie wavelength to be that of red light (745 nm)?
Alka-Seltzer contains both baking soda (NaHCO3) and citric acid (H3C6H5O7). The reaction between the bicarbonate ion and citric acid produces water
What mass of NaOH can this buffer neutralize before the pH rises above 4.00?
Calculate the wavelengths of the following objects: a) a muon(a subatomic particle with a mass of 1.884x10^-25 g) traveling at 3.00x10^2 m/s
A 70.0 g steam sample at 150.0 degree Celsius was converted to ice at -150.0 degree Celsius, calculate the total amount of heat removed in the process.
If 500 mL of air contains 2 x 1022 particles (atoms and molecules), how many particles do you inhale in one day if you breathe 15000 L of air?
Calculatethe number of grams of alcohol present in 1.00L of 75 proof gin The density of ethanol is 0.798g/mL.
Rubidium has two naturally occurring isotopes with the following masses and natural abundances, Calculate the atomic weight of rubidium.
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