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Which non-metal anion bearing a charge of -1 is represented by the electronic configuration 1s22s22p6? Write down your answer in the form A- where A is the symbol for the element from which the anion is derived. Use the superscript facility to format your answer.
The atmospheric pressure in La Grande (683 atmospheric pressure) is significantly lower than that of Portland
Use resonance forms to show the delocalization (over four carbon atoms) of the negative charge of the benzyl and anion
Calculate the standard enthalpy of combustion. The standard enthalpy of formation of palmitic acid - 208kJ/mol
At 20 degrees C, the vapor pressure of ethanol is 45 torr and the vapor pressure of methanol is 92 torr. What is the vapor pressure at 20 degrees C of a solution by mixing 27.0 g of methanol and 75.0 g of ethanol?
Cyclohexyl carbocation undergoes attack by nucleophiles. With this in mind, propose a mechanism whereby cyclohexene might form the dimer 31 in the presence of H3O+. Note that this type of reaction leads to polymerization of cyclohexene.
Explain Coronary Artery Disease: Good and Bad Cholesterol, A middle-aged man has been diagnosed as being at high-risk of developing Coronary Artery Disease.
Consider the reaction with the rate law, Rate = k[BrO3-][Br-][H+]2 By what factor does the rate change if the concentration of BrO3- is tripled and that of Br- is tripled? Just put in the number as a whole number or fraction.
Calculate equilibrium concentration of Ag+ in a solution that is initially 0.110M AgNO3 and .870M NH3 and in which the following reaction takes place
Suppose that 50.0g of Zinc and 50.0g of Iodine are used to form Zinc (II) Iodide. Answer the following questions: (A) What is the limiting reagent?
Compare the pH of a H2CO3 buffer that contains .10 M H2CO3 and .10 M NaHCO3 with another H2cO3 buffer that contains .15 M H2CO3 and .050 M NaHCO3.
The pKa of benzoic acid is 4.2, whereas that of carbonic acid, H2CO3, is 6.4. On the basis of this information, would aqueous sodium bicarbonate be sufficiently basic to deprotonate benzoic acid? Explain your reasoning.
a 255-mL sample of a HCl solution reacts with excess Ca to produce 14.0 L of H2 gas at STP. what is the molarity (M) of the HCl solution? Ca(s) + 2HCl(aq) > CaCl2(aq) + H2(g)
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