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What is the final temperature when 20.0 g of water (specific heat capacity 4.184 J•g-1•K-1) at 80.0 ?C is mixed with 30.0 g of water at 20.0 ?C in an insulated container?
Palladium crystallizes in a face-centered cubic unit cell. Its density is 12.0 g/cm^3 at 27 degrees C. Calculate the atomic radius of Pd.
nbspa solution of 0.100 m acetic acid is prepared.a what is its ph value? b if 20 of the initial acetic acid is
Consider the titration of 80.0 mL of 0.0200 M HONH2 (a weak base; Kb = 1.10e-08) with 0.100 M HBrO4. Calculate the pH after the following volumes of titrant have been added- (a) 0.0 mL pH = (b) 4.0 mL pH = (c) 8.0 mL pH = (d) 12.0 mL pH = (e) 16.0..
Which class of materials, biological organisms, biological chemicals, or non-biological chemicals react most dramaticallyto the addition of acid or base. How does this relate to their complexity
The half-life of a certain radioactive element is 1250 years. What percent of the atoms remain after 7500 years?
The molar volume of Al2O3 at 25°C and 1 atm is 25.715 cc/mole. Its coefficient of thermal expansion is 26·10-6 K-1 and the coefficient of compressibility is 8.0·10-7 atm. Estimate the molar volume of Al2O3 at 400°C and 10 kilobars pressure.
What alkene (including cis and trans isomers) would be produced by the dehydration of the following alcohols? Where possible, predict the relative amounts of each product according to Zaitsev's rule.
Determine the rate law for the reaction and calculate the rate constant.
For the following reactions, write the balanced formula equation, complete ionic equation, and net ionic equation. (Use the lowest possible coefficients.
The conductivity of KCl is given as kappa=1.413ohms^-1 m^1 and the conductance of this solution is given as 1408microSiemens.
when formic acid is heated it decomposes to hydrogen and carbon dioxide in a first order decay calculate the partial
For a reversible reaction with a one-step mechanism, A B , the rate of the forward reaction is ratef = 3.2 x 10-6 s-1 [A] and the rate of the reverse reaction is rater = 4.6 x 10-4 s-1 [B]. What is the value of Kc for this reaction
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