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The dipole moment of ClF is 0.88 D, and its bond length is 163 pm. What is the percent ionic character of the Cl-F bond
Give the structure that corresponds to the following molecular formula and 1H NMR spectrum: C7H12Cl2: ? 1.07 (integral = 6203, s); ? 2.28 (integral = 1402, d, J = 6 Hz); ? 5.77 (integral = 700, t, J = 6 Hz). Note: The integrals are given in arbitr..
What is the empirical formula of lysine? If the approximate MM of lysine is 150 g/mol, what is the molecular formula?
Show the Chemical behavior of an atom - The chemical behavior of an atom is determined by most directly by the
how many moles of calcium chloride, cacl2, can be added to 1.5 liters of .020 M potassium sulfate, k2so4, before a precipitate is expected? assume that the volume of the solution is not changed significantly by the addition of magnesium sulfate.
The following reaction is not spontaneous at any temperature. Which applies to the system at 298 K? 2C(s) + 3H2(g) --> C2H6(g)
A car engine cools efficiently when water is used as a coolant, but the engine does not cool as efficiently with pure ethyl glycol (antifreeze)
Define the terms exothermic and endothermic. In a calorimetric experiment, how does one determine whether a reaction is one or the other?
Explain the fact that even though dibenzoylmethane (C6H5COCH2COC6H5) is not a methyl ketone, it gives a positive iodoform test when treated with the NaOH and I2.
He begins to characterize this potentially novel molecule by dissolving 9.9 mg of it in 855 mg of cyclohexane and finds the melting point of the resulting solution is 6.30C.
start with 4-cyclopentylphenol and react with NaOH, CH3I, NBS, heat show each step to get the final product.
The cell constant of a conductivity sell is equal l/A. The resistance of the NaCl solution is found to be 254 Ω . Using the same sell the resistance of the 0.05 M KCL is found to be 467 Ω . Estimate the NaCl concentration if the molar conductivity ..
If 4.00 g of the unknown compound contained 0.133 mol of C and 0.267 mol of H, how many moles of oxygen, O, were in the sample?
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