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A reaction has an activation energy of 195.0 kJ/mol. When the temperature is increased from 473.0K to 493.0K, what will the rate constant increase by a factor of?
Lactic acid (C3H6O3) which occurs in sour milk and foods such as sauerkraut, is a weak monoprotic acid.? The pH = 0.10 M solution of lactic acid is 2.43 What are the values of Ka and pKa for lactic acid
What is the total pressure in a 11.0 L flask 20.0°C, which contains 0.127 moles of H2 and 0.288 moles of N2
How much energy is released during the complete combustion of 329 grams of cyclobutane ?
Chemistry - Analytical Chemistry - Molar Mass, An aqueous solution is made by dissolving 33.2g of the compound in 250mL of water. The solution has an Osmotic Pressure of 1.2 atm
Consider the titration of 30.0mL of 0.050 M NH_3 with 0.025 M HCl. Calculate the pH after the following volumes of titrant have been added. a) 0mL b)20.0 c)59.3 d)60 e)72.6 f)73.1
What is the maximum number of electrons that can be in a second electron shell (principal energy level)?
Discuss the difference between Mass Spectroscopy, Nuclear Magnetic Resonance,
reacts completely with a volume of F2(g) to produce 2.0 L of ClF5. what volume of F2(g) reacted completely?
Write a balanced equation for the yeast using glucose to produce energy, etanol and carbon dioxide.
formation of a compound cannot be truly explained. What is your view on this topic? Are there any other factors that should be considered?
Helium gas, at constant pressure of 1.6 atm, expands in volume from 25.7 L to 86.3 L. The temperature is held at 357 K. Calculate the work done by the gas(in joules).
Because of porosity of the filter paper some of the CaC2O4*H2O precipitate passes through the filter paper. Will the reported percent of the limiting reactant in the original salt mixture be reported too high or too low
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