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Calculate the pH of each of the following solutions ( Ka and Kb values are given in Appendix D in the textbook). 0.115 M hydrogen chromate ion (HCrO4^-).
A 0.2527-g sample of a mixture of Mg(OH)2 and Al(OH)3 was treated with 50.00 mL of 0.225 mol L 1 HCl(aq). The resulting solution required 13.73 mL of 0.176 mol L 1 NaOH(aq) to neutralize the excess, unreacted HCl.
When 0.75 g of Mg(s) is reacted with excess HCl(aq) in a calorimeter of total heat capacity (container plus contents) of 550.0 J/ºC, what is the expected temperature change ?T?
Assuming that equal numbers of moles of each were released into the air at ground level, rank these four compounds in terms of their potential to catalytically destroy ozone in the stratosphere. Explain
A flask of one litre is filled with 1.30 grams of argon gas at the temperature of 25 degrees Celsius. A sample of ethane (C2H6) vapor is combined to this flask until the total pressure becomes 1.10atm now determine the partial pressure of Ar Gas ..
Give the structure of the major and minor organic products formed when HBr reacts with (E)-4,4-dimethyl-2-pentene in the presence of peroxides.
Calculate the equilibrium constant, Ke, for the reaction assuming the concentrations for reactants and products are the following
Using the Heat of Reaction (Hrxn) to Find Amounts Organic hydrogenation reactions, in which H2 and an "unsaturated" organic compound combine, are used in the food
A sample of gas originally at 37.2oC and 1.25 atm pressure in a 3.4 L container is allowed to expand until the pressure is 0.73 atm and the temperature is 14.9oC.
The mass percent composition of the compound is 53.31% C, 11.19% H, and the rest is O. What is the molecular formula of the compound
The size of a diamond is measured in carats. (1 carat=.200 g) The density is 3.51 g/cm3. How many carats is a diamond that measures .
Gaseous butane (C4H10) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2O) . If of water is produced from the reaction of 3.49 g of butane
Propose a structure for the hydrocarbon that gives the following products on oxidative cleavage by KMnO4 or ozone.
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