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1. Determine what is the activation energy of CH3COOCH3?
2. considering the given chemical equation as caco3(s)-cao(s)+co2(g calculate kc for the reversible reaction? given that kp=167 for caco3(s)-cao(s)+co2(g and T=800c for caco3(s)-cao(s)+co2(g
consider a .7 L of a buffer composed of 0.4 M HClO and 0.5 NaClO? How many moles of strong base could this buffer withstand?
Consider the reaction that occurs when a solution containing hydrochloric acid (HCl) is added to a solution containing the weak base methylamine (CH3NH2).
ethanol or t-butyl alcohol were used instead of iospropyl alcohol in the attempted photochemical dimerization of benzophenone
at 30 km above the surface of the earth the temperature is about 230. k and the partial pressure of oxygen is about
Compute the band gap for this semiconductor material after Consideing an intrinsic semiconductor with a conductivity σ that triples between the temperature 27 degree Celsius and 57 degree celsius.
A cool solution of sodium nitrite and a solution of the amine in an ice bath. Moderately concentrated hydrochloric acid is added.
Calculate the osmotic pressure generated when 12.9 grams of testosterone are dissolved in 168 ml of a chloroform solution at 298 K. what is the molarity and osmotic pressure
How much work is done reversibly compressing one mole of an ideal gas from a starting volume of 1L to a final volume of 250mL at a constant temperature of 293K? What is the change in entropy?
What mass of PbCl2 is formed from mixing 0.334 L of 0.112 molar NaCl with 2.12 L of 0.0343 molar Pb(NO3)2?
A gas expands and does P-V work on the surroundings equal to 321 J. At the same time, it absorbs 189 J of heat from the surroundings. Calculate the change in energy of the gas in J.
Treatment of D, first with aqueous acid and then with KMnO4, yields 2 carboxylic acids identified as acetic acid and pentanoic acid. (KMnO4 cleaves 1,2-diols to yield carboxylic acids.) Propose a structure for compound D. Don't worry about sterioc..
the dipole moment of CD^3F is 1.858 D, which is more electronegative, hydrogen or deuterium?
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