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What determines whether 2-bromobutane undergoes an SN1 or an SN2 reaction? How would you favor SN2 formation?
What is the pressure of the gas in this mercury manometer if h = 73 mm and atmospheric pressure
calculate the minimum energy a photon must have to produce an electron hole pair in an extrinsic semiconductor of band gap 1.3 electron volts.
Discuss the common-ion effect by comparing the solubility of CaCO3 in 3.0 x 102 ml of water and in the presence of 0.015 mole of Ca(NO3)2.
Why does K + N2 yield no reaction. could some one please explain what factors contribute to no reaction
Examine the nuclide neptunium-237. The nuclide has a measured nuclear mass of 237.048166 amu. Determine the binding enery in kj, kj/mole
Determine the empirical formula of a compound that is 36.86% N and 63.14% O by the mass
What is the equilibrium constant, K, value (ignore units) at 441.3 K for the following reaction ? N2(g) + 3 H2(g) ? 2 NH3(g) [Note (all at 25oC): (1) Standard enthalpies of formation for N2, H2, and NH3
A saturated solution (aqueous) of the acid contains 11 g/L and has a pH = 2.94. What is the value of the acid dissociation constant?
Questions on chemical equations - Write a balanced equation for this reaction. Include the states of matter for each compound.
A 0.150-mole quantity of NiCl2 is added to a liter of 1.20 M NH3 solution. What is the concentration of Ni2 ions at equilibrium. Assume the formation constant* of Ni(NH3)62 is 5.5 × 108.
Microwave radiation of wavelength 4.00 mm is used to heat 250.0 grams of water from 10.6 degrees C to 100.0 degrees C. How many photons are needed?
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.434 grams of iron and 12.2 mL of 0.52M copper(II) sulfate react to form as much product as possible.
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