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F- ion can react with BF3, forming the BF4- anion. In this reaction, 1)the F- ion acts as a Brønsted base, accepting a proton from BF3 molecule. 2) the F- ion acts as a Lewis base, donating a proton to the BF3 molecule. 3) the F- ion acts as a Brønsted acid, donating a proton to the BF3 molecule 4) the BF3 molecule acts as a Lewis acid, accepting an electron pair from the F- ion to form a coordinate covalent bond. 5) the BF3 molecule acts as a Lewis base, donating an electron pair to the F- ion to form a coordinate covalent bond.
Draw a structural formula of an alkene or alkene(s) that undergo acid-catalyzed hydration and without rearrangement give 1-methylcyclohexanol as the MAJOR PRODUCT?
Show the orbital-filling diagram for N (nitrogen). Stack the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.
Calculate ΔG for this reaction under the following conditions (assume an uncertainty of 1 in all quantities, calculate all thermodynamic values from Appendix 4 for all parts of the problem).
What volumes of 0.150 M acetic acid and 0.065 M NaOH solutions must be mixed to prepare 1.00L of a buffer solution of pH 4.50 at 25C.(Show all work for 5 stars)
If the test of such a breath sample yields a reading of 0.08%, what are the partial pressure and mole fraction of CH3CH2OH in the breath of the person who was tested? Assume the atmospheric pressure and temperature are 101 kPa and 21.0 oC, respect..
Draw out the Lewis structures for H2CO3, HCO3-, and CO32-. Then determine the maximum number of equivalent resonance structures for each species. Note that carbon is the central atom in all three cases.
What mass of ethanol is present in the vapor? (the vapor pressure of ethanol is 10.0 torr at -2.3 degrees C and 40.0 torr at 19 degrees
When power was turned off to a 30.0 gal. water heater, the temperature of the water dropped from 75.0°C to 22.5°C. How much heat was lost to the surroundings? (1 gal = 3.785 L) Assume the density of water is 1.00 g/mL.
the volume of NaOH needed to neutralize it and repeats the process several times to determine the concentration of the NaOH solution. She calculates the concentration and uncertainty in the concentration of the NaOH from the titration data.
You are studying a reaction wherein compound X is dehydrogenated to yield compound Y, and in the absence of a catalyst you have determined that the Go under standard conditions of pH 7 and 37o (RT = 0.59 kcal/mole) has a value of +0.7 kcal/mole.
The gravitational force exerted on a solid object is 5 N. When the object is suspended from a spring scale and submerged in water, the scale reads 3.5 N. What is the density of the object
At equilibrium, the concentration of A is 0.381 M and that of B is 0.154 M. What is the value of the equilibrium constant, Keq?
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