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Draw the structure of the bromohydrin formed when (E)-3-methyl-3-hexene reacts with Br2/H2O.
A 43.0 g sample of Fe metal at 90.0°C is placed into 150.0 mL of water at 22.5 °C. After equilibrium is reached the final temperature of the system is 24.5°C. What is the specific heat c
Hydrazine (N2H4) is a fuel used by some spacecraft. It is normally reacted with N2O4 according to the equation: N2H4(l) + N2O4 (g) 2 N2O(g) + 2 H2O (g) a) Identify the oxidizing agent and the reduci
An experiment shows that a dry 113-mL gas sample of a pure gas has a mass of 0.171 g at a pressure of 721 mmHg and a temperature of 32.0 °C. What is the molar mass of the gas
Draw a structural formula of an alkene or alkenes (if more than one) that undergo acid-catalyzed hydration and without rearrangement give 2-methyl-2-butanol as the MAJOR product
Use Table 6.3 or Appendix B to write balanced formation equations at standard conditions for each of the following compounds. (Type your answer using the format O3 for O3. Write all coefficients, ev
When 37.0 mL of 0.640 M H2SO4 is added to 37.0 mL of 1.28 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate H of this reaction per mole of H2SO4 and K
What is the change in internal energy (in J) of a system that absorbs 0.751 kJ of heat from its surroundings and has 0.314 kcal of work done on it
What is the pH at the equivalence point when 0.0300 M NaF is titrated with 0.0610 M HClO4. (pKa = 3.17.)
1.00 L solution containing 0.030 mol HA (pKa=2.50) and 0.020 mol NaA. Approximations [HA]=0.030 and [A-]=0.020 What is: Ka, FHA, FA, and approximate H
Acid HA has a pKa = 20; acid HB has pKa = 10 Will an acid-base reaction with an equilibrium lying to the right take place if Na+A- is added to HB
Write an equation, using the curved-arrow notation, for the acid-base reaction that will take place when each of the following are mixed. If no appreciable acid-base reaction takes place
Is the energy that an electron has in the first energy level of atom A the same as the energy that an electron would have in the first energy level of aom B
For gases, the canonical partition function, Q, is related to the molecular partition function q by Q = q^N/N!. Use the expression for q and general thermodynamic relations to derive the perfect gas
A certain atom has a doubly degenerate ground level pair and an upper level of four degenerate states at 450 cm?1 above the ground level. In an atomic beam study of the atoms it was observed that 30
The rotational constant of CO is 1.931 cm-1. Evaluate the rotational partition function (without approximation) and plot its value as a function of temperature.
Calculate the vibrational partition function of CS2 at 500K given the wavelength 558 cm-1 (symmetric stretch), 397 cm-1 (bend; two modes), and 2097 cm-1 (asymmetric stretch)
Calculate the ratio of the translational partition functions of D2 and H2 at the same temperature and volume.
A certain atom has a threefold degenerate ground level, a non-degenerate electronically excited level at 3500 cm1, and a threefold degenerate level at 4700 cm?1. Calculate the partition function of
An electron spin can adopt either of two orientations in a magnetic field, and its energies are ±?BB, where ?B is the Bohr magneton. Deduce an expression for the partition function and mean e
The Ka of acetic acid is 1.8 x 10-5 Using the above equation, what is the pH of this solution? What are spectator ions and what effect do they have on the pH of water
Given that the ionization energy of gaseous potassium is 419 kJ mol-1, calculate the lattice energy of potassium chloride.
What are the formal charges on all of the atoms of carbonate. How many resonance structures are there
In the lab using conc. HCL and heat, if the solubities of reactant and product were reversed , how would the isomerization be followed. How would one knows when it is complete
A+2B<---->2C Kc=2.93 2C<------->D Kc=0.288 calculate the value of the equilibrium constant for the reaction. D<------>A+2B