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The addition of PEtPh2 to NiBr2 at -78 degrees Celsius in CS2 gives a red complex with the formula (PEtPh2)2NiBr2 which is converted to a green complex of the same formula on standing at room temperature. The red complex is diamagnetic but the green complex has a magnetic moment of 3.2 B.M. a) Which of these is square planar and which is tetrahedral? State reasons for your choice. b) Rationalize the colors of these complexes in view of your choice.
Write the condensed structural formulas and names for all the constitutional isomers with the formula C4H9Br
at high temperatures and pressures nitrogen will react with hydrogen to produce ammonia as shown by the equationn2g
What are the missing coefficients for the skeleton equation below?
In an experiment using a temperature probe, is there a way to estimate the heat absorbed by the temperature probe? Explain how.
Draw the structure of (E)-2,3,5-trimethyl-3-hexene. Clearly show the proper (E) or (Z) stereochemistry about the double bond.
The vapor pressure of liquid Nickel at 1606° C is 0.100 torr, whereas at 1805° C, its vapor pressure is 1.000 torr. At what temperature does the liquid have a vapor pressure of 2.500 torr
What is Kp for the reaction at this temperature? B. For the reaction N2(g)+ 3H2(g) 2NH3(g) Kp = 2.20×10?3 at 268 C . What is K for the reaction at this temperature?
The reaction of methane and water is a way to prepare hydrogen according to CH4 (g) + H2O = Co2 (g) + H2 (g) a) If 995 g of CH4 reacts with 2510 g of water, how many moles of reactants and products are there when the reaction is finished
Sort the following transitions from an excited state to a ground state according to the series into which they fall. Drag the appropriate transitions to their respective bins of lyman series
We have learned that valence bond theory helps us to predict s and p bonding in molecules. All of the following statements about molecular bonding are true, but which statement best summarizes the most basic premise for bonding in a molecule?
sulfur dioxide is an unwelcome result of burning soft coal in power plants. Some of the sulfur dioxide ends up as sulfuric acid ( H2SO4) in acid rain.
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from n = 4 to n = 1. I need an explanation of the formula too.
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