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Draw the most stable contributing structure for the cyclohexadienyl anion formed by the reaction of methoxide ion with o-fluoronitrobenzene
Calculate the [OH-] in 0.050 M potassium fluoride, KF The answer choices are: A. 8.3 × 10-7 M B. 4.7 × 10-7 M C. 6.2 × 10-7 M D. 1.4 × 10-6 M E. 2.2 × 10-6 M
If an aqueous solution of iron(III) sulfate (a compound used in dyeing textiles and also for etching aluminum) is mixed with a solution of barium chloride, a precipitate of barium sulfate forms and the solution that remains contains iron(III) chlo..
a student combusted 0.500g al with oxygen according to the reaction 4als3o2g2al2o3s what is the limiting reactant? how
acetic acid has one carbon- oxygen bond that is 1.36 A nd another 1.23 A however sodium acetate has two equal carbon- oxygen bonds
the thermite reaction is performed using 8.6g Fe2O3 and 1.8g powdered Al metal. which reactant is in excess and by how much?
Calculate the value of q, w, delta E , for the reversible isothermal expansion at 300k of 2.00 mol of a perfect gas
an ice cube tray holds 455 g water. if the water initially has a temperature of 33degc how many kilojoules of heat must
In an ionic compound, the size of the ions affects the internuclear distance (the distance between the centers of adjacent ions), which affects lattice energy
Suppose 110. mmol of electrons must be transported from one side of an electrochemical cell to another in minutes. Calculate the size of electric current that must flow.
In solving weak acid equilibrium problems to find [H+] or pH, a major assumption is usually made. This major assumption can be represented by the following
c3h8g 5o2g 3co2g 4h2ol ho -2220 kjmolpropane is often used for gas grills and is typically purchased by filling a
sotonic saline solution, which has the same osomotic pressure as blood, can be prepared by dissolving 0.923 g of NaCl in enough water to produce 100.mL of solution. What is the osmotic pressure of this solution at 25 ?C?
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