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If the ionization constant of water, Kw, at 40°C is 2.92 x 10-14, then what is the hydronium ion concentration and pH for an acidic solution?
Hydrocarbons are often reacted with steam to form H2, as shown for propane- C3H8(g) + 6 H2O(g) 3 CO2(g) + 10 H2(g) Calculate Kp for this reaction at a particular temperature
50.00ml of BiO3- is titrated with 26.43ml 0.02982M Fe2+. What is the molar concentration of BiO3-? How many mg of NaBiO3 were in the 50.00ml sample? [BiO3-] = _______________ M mNaBiO3 = _______________ mg
which of the following are found in cell membranes?
Given the reaction NH3 + H2O = NH4 + OH ; Under what conditions might it go to completion in either direction
Eugenol can also be isolated from cloves using extraction with CO2. discuss the advantages and disadvantages of distillation versus CO2 extraction.
What [OH-] is necessary to start precipitation of Cu(OH)2 in a 0.0014 M copper(II) chloride solution?
A solution of a specific vitamin has ?max = 251nm and a concentration of 4.79x10^-7M. The absorbance of the solution at 251 nm is A = 0.175. What is the molar absorptivity of the vitamin at 251nm
Write an overall, balanced equation for the reaction of Na2SO3 with CH3CO2H, and name the reactants and products.
How many milliliters of 0.110 are needed to react completely with 25.0 of 0.160 ? How many grams of will be formed?
Consider the Bohr model of the hydrogen atom. What would the visible emission spectrum of hydrogen look like if electrons transitioned from a higher orbit to a lower orbit by way of slowly falling into the lower orbit over time while releasing ene..
What observed rotation is expected when 1.58M solution of (R)-2-butanol is mixed with an equal volume of a 0.790 M solution of racemic 2-butanol, and the resulting solution is analyzed in a sampling container that is 1 dm long
It takes 48.0J to raise the temperature of an 9.60g piece of unknown metal from 13.0c to 24.0. What is the specific heat for the metal? Express your answer numerically, in J/g.C
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