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Select the statement below that describes the magnetic environment of hydrogens bonded to the sp2 hybrid carbons of pi systems relative to alkyl hydrogens bonded to sp3 hybrid carbons:
A) Are deshielded and resonate downfieldB) Are shielded and resonate upfieldC) Are shielded and resonate downfieldD) Are deshielded and resonate upfield
Draw a graph that shows the relative energy of the conformer as a function of the torsional angle. Make sure that you clearly label which conformer corresponds to which position on the graph
Write the neutralization reaction, balance it, name the products THEN Solve the problem above.
Sodium peroxide (Na2O2) reacts with water to form sodium hydroxide and oxygen gas. Write a balanced equation for this reaction and determine how much oxygen (in grams) is formed by the complete reaction of 35.23g of Na2O2.
calculate the theoretical amount of 3 m sodium hydroxide needed to convert the benzoic acid half the weight of the
If the same amount of heat energy is added to a beaker containing 100ml of ethanol and a beaker containing 100ml of water, which liquid experiences the greater rise in temp
Iodine Trichloride, ICl3, will react with a chloride ion to form ICl4 negative. Identify the Lewis acid and Lewis base. Use arrows to show movement of the electrons in the formation of the product.
The Ka of a monoprotic weak acid is 6.08 × 10-3. What is the percent ionization of a 0.187 M solution of this acid
53.5 g of an ideal gas of molecular weight = 10.5 g/mol is confined at a pressure of 50 kPa. The density of the gas is 0.164 g/L. Compute the temperature of the gas in degrees Celsius.
How much energy must be supplied to break a single 21Ne nucleus into separated protons and neutrons if the nucleus has a mass of 20.98846 amu. What is the nuclear binding energy for 1 {\rm mol} of {\rm ^{21}Ne}
A sample of gas has a mass of 0.565 . Its volume is 119 at a temperature of 80 and a pressure of 746 . Find the molar mass of the gas.
When a 2.047-g sample that contains only carbon, hydrogen, and oxygen burns in excess O2, the products are 3.80 g CO2 and 1.04g H20. What is the empirical formula of this compound
Ammonium nitrate (NH4NO3) decomposes into nitrogen, oxygen, and water. If 12g of ammonium chloride decompose entirely at 300 C with delta H reaction =-236.kJ
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