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Atom hybridization changes in many chemical reactions. In each of the following reactions, determine what change, if any, occurs to the hybridization of the underlined atom.
(a) SO3 + H2O → H2SO4
(b) CO + Cl2 → COCl2 (C is the central atom)
Describe the fictional portrayals of the courtroom, including the trial process, the roles of the prosecution and defense, the roles of the courtroom participants (expand your response from the Week Five CheckPoint), and the handling or implementa..
How much does the molar enthalpy change when 147 g. of water cools from 90.0 C to 17.0 C when 20.0 g. of KCL is added to the water? Is this reaction exothermic or endothermic?
when aluminum is heated in oxygen, aluminum oxide is formed. What weight of the oxide can be obtained from 25.0 g of the metal.
Write a balanced chemical equation for the reaction of hydrochloric acid with calcium hydroxide. Include states of reactants and products.
Formic acid, HFor, has a Ka value equal to about 1.8 * 10^(-4). A student is asked to prepare a buffer having a pH of 3.60 from a 0.10 M HFor and a 0.10M NaFor solution. How many milliliters of the NaFor solution should she add to 20 ml of the 0.1..
The system then re-equilibrates. The appropriate chemical equation is PCl3+Cl2PCl5. Calculate the new partial pressures after equilibrium is re-established
The inversion of compound B is experimentally determined to follow the rate law: d[B]/dt = -k[B]a[H+]b. At 25 °C and a constant pH of 3.00, the reaction proceeds with a constant half-life of 40.0 min. At this same temperature, but at a constant pH..
On a more polar column, nonpolar compounds will have shorter retention times. b) On a more polar column, all molecules will have longer retention times
A buffer is prepared by mising 204mL of 0.452M HCl and 0.500l of 0.400M sodium acetate Ka=1.8x10^-5 a) what is the pH, b) how many grams of KOH must be added to 0.500l of buffer to change the PH by 0.15units
Compute the enthalpy change for the dissolution of ammonium nitrate express your answers in units of kJ/mol.
85.50 mL of 0.0815 M sodium hydroxide is reacted with 8.15 g oxalic acid as shown in the reaction below. What mass of the excess reactant remains after the reaction is complete
Give the major product that would be obtained from treating an excess of the given compound with Br2 at 125 °C. Disregard stereoisomers.
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