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A chemical reaction has k=9.3*10^-5 1/M sec at 200 degrees C, if the activation energy Ea=99 kJ/mol, what is the value of k at 130 degrees C?
How many moles of hydronium ion are neutralized by one teaspoonful of Extra strength Maalox plus?
Draw 2 resonance structures for each of the following molecules. Calculate the formal charge for each atom and indicate whether the structures are equivalent. Benzene, C6H6
How much heat is evolved when 265 g of ammonia gas condenses to a liquid at its boiling point
What is the uncertainty of the position of the bacterium. Express your answer numerically in meters.
100 mL of 0.150 M acid H2A are mixed with 100 mL of 0.1600 M NaOH. Calculate the [H+] of the resulting solution at equilibrium. Ka1 = 1.0 x 10^-5 Ka2 = 1.0 x 10^-7
TiCl4(l)+2H2O(l)=TiO2(s)+-4HCl(g), If you begin with 14.0 mL of TiCl4 (d=1.73mL), what mass of water, in grams, is required for complete reaction
Use a spreadsheet to calculate the composition of dry air at 5400K and 1 bar. Take the initial composition as .78 mol N2, .21 mol O2 and .01 mol Ar. Neglect the ionization of NO.
When the surroundings absorbs heat, is the heat change of the system (qsystem) positive or negative
suppose 321 grams of methylamine (CH3NH2) and 332L of oxygen gas are mixed together in the reaction below at STP. how many grams of water should be prouduced?
at 25 c and 1.0 atm .25 g of a gas dissolves in 1.00l of water. what mass of the gas dissolves in 1.00l of water at 25c
Name the kinds of attractive forces that must be overcome in order to do the following. (Select all that apply.) Boil liquid ammonia dipole-dipole forces dispersion forces hydrogen bonds ion-dipole forces ion-ion interparticle forces metallic bond..
Why do you suppose that the dehydration of cyclohexanol to cyclohexene has been the tradiotional experiment to illustrate the acid-catalyzed dehydration of an alcohol to an alkene?
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