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5-dihydropentalene reacts with two equivalents of butyllithium to form dianion of (C8H6)2-. intend a structure for this dianion and suggest why it form so readily
According to the equation for the balmer line spectrum of hydrogen, a value of n=3 gives a red spectral line at 656.3 nm, a value of n=4 gives a green light at 486.1 nm, and a value of n=5 gives a blue line at 434.0 nm. according to these waveleng..
It is estimated that more than 5 billion metric tons of CO2 is added to the atmosphere each year. Assume that CO2 is an Ideal gas at 25 oC and 1 atm.
Determine the number of milliliters of 0.0300 M unknown metal hydroxide solution that is required to neutralize 25.00 mL of 0.0150 M phosphoric acid.
Assuming that the microwave ovens emit radiation with a wavelength of 12.2 cm, calculate how many photons are emitted per second in a 1000-Watt microwave oven.
Write the balanced molecular equation for the combustion of methanethiol in an excess supply of oxygen.
How many photons are contained in a burst of yellow light (589 nm) from a sodium lamp that contains 609 kJ of energy
Determine the number of electron pairs (both bonding pairs and lone pairs) on the iodine atom in the following.
Determine the geometry or shape of a MgH2 molecule. Check those statements which are correct. Help: VSEPR Choose at least one answer. a. There are 4 valence electrons. b. There are 8 valence electrons.
What is the molarity of a solution that contains 169.3 g of sodium chloride dissolved in 597 mL of solution
A solution of H2SO4 and KI is then added to conver the MnO2 to MN^2+, and the iodide is converted to I2. The I2 is then titrated with standardized Na2S2O3. Calculate the amount of O2 in 25.0mL of water if the titration requires 2.45ml of 0.0112 M N..
Write the net ionic equation (including phrases) that corresponds to Cu(ClO4)2 (aq) + K2CO3(aq) --> CuCO3(s) + 2KCLO4(aq).
Correct the second part of each of the following names. (Type your answer using the format copper(II) chloride for CuCl2, and CO2 for CO2.) (a) N2O4 is tetraoxygen dinitride.
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