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What kind of hybrid orbitals are found on the central atom in ICl3 ? Answer a. dsp3 b. sp2 c. sp3 d. sp4 e. sp3d2
A piece of metal of mass 18 g at 117 C is placed in a calorimeter containing 48.2 g ofwater at 21C. The final temperature of the mixture is 85.4C.
How many milliliters of 0.200 M FeCl3 are needed to react with an excess of Na2S to produce 1.38 g of Fe2S3 if the percent yield for the reaction is 65.0%? 3 Na2S(aq) + 2 FeCl3(aq) ? Fe2S3(s) + 6 NaCl(aq)
Give the quantitative species inventory for the system which ultimately results from mixing 2.55mols Cl2, 1.20mols Br2, 1.25mols I2,
The patient has a deficiency of argininosuccinate lyase and has very high concentrations of blood glutamine and ammonium ion.
At what temperature does the numerical reading on a Celsius thermometer equal that on a Fahrenheit thermometer
What would happened if HCl was accidentally used instead of Na2CO3 to extract caffeine from tea bags? Would you be able to fix your mistake. How
Calculate the change in molar entropy when 2.00 miles of ozone are compressed isothermally to one quarter of its original volume. Treat ozone as an ideal gas.
In electrophilic aromatic substitution, why does an amide group direct substitution to a position opposite to it on the aromatic ring. The N donates electron density to the ring by induction and destabilizes the intermediate that forms meta to it
At 25 degrees Celsius, by what factor is the reaction rate increased by a catalyst that reduces activation energy of the reaction by 1.00 kJ/mol
The Ka of a monoprotic weak acid is 2.99 × 10-3. What is the percent ionization of a 0.108 M solution of this acid
The boiling point of a certain pure liquid is 53.0 C and the enthalpy of vaporization is 32.7 kJ/mol at this temperature. The entropy of vaporization for this liquid is: in J/K mol
A reaction has a standard free-energy change of -14.40 kJ mol-1 (-3.442 kcal mol-1). Calculate the equilibrium constant for the reaction at 25 °C.
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