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Express your answer in condensed form in order of increasing orbital energy as a string without blank space between orbitals. For example, should be entered as [He]2s^22p^2.
A sample of CO2 g in a piston at 7.5 atm and 1090. L is allowed to come to equilibrium against a constant external pressure of 8.3 atm at constant temperature. Calculate the work observed for the volume change in the piston (in kJ).
Spectroscopists have observed He+ in the outerspace. This ion is a one-electron species lik ea neutral hydrogenatom. Calculate the energy emitted for the transition from the n =5 to the n = 3 state in this ion using the equation:
In a purity check for industrial diamonds, a 11.25 carat (1 carat = 0.2000 g) diamond is heated to 74.21°C and immersed in 27.30 g of water in a constant-pressure calorimeter
Alkenes can be converted to alcohols by reaction with mercuric acetate to form a ?-hydroxyalkylmercury(II) acetate compound, a reaction called oxymercuration. Subsequent reduction with NaBH4 reduces the C-Hg bond to a C-H bond
A reaction mixture initially contains 2.8 M H2O and 2.6 M SO2. Determine the equilibrium concentration of H2S if Kc for the reaction at this temperature is 1.3 × 10-6.
Suppose that 24 g of each of the following substances is initially at 25.0^circ C. What is the final temperature of each substance upon absorbing 2.45 kJ of heat?
What is the pH of the buffer after the addition of 0.02 mol of NaOH? C)What is the pH of the buffer after the addition of 0.02 mol of HI? Express Numerically
the ksp of agcl is larger than the ksp of k2cro4,yet k2cro4 is more soluble than agcl. explain the fallaciousness of the statement.
Explain why the C=C stretching mode gives rise to a rather weak IR band in 1-methylcyclohexane, while in its isomer
The dielectric constant of water at room temperature is 78.3. Hint: your answer will come out negative because the interaction is attractive.
in the electrolysis of aqueous solution of Na2SO4, what reactions occur at the anode and the cathode. explain
Find the pH solution & Hydronium ion concentration and What is the pH of a solution of 0.17 M acid and 0.81 M of its conjugate base if the pKa = 8.62?
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