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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
If 29.1 mL of 0.4 M NaOH is used to reach the endpoint when titrating 20.1 mL of acetic acid, what is the concentration of the acetic acid in moles/L
When 2.05 grams of aluminum metal are dropped in 650. mL of 6.0 M hydrochloric acid, how many liters of gas are evolved at 20°C, 1.07 atm
What is the concentration of unknown acid solution? Write the neutralization reaction, balance it, name the products THEN Solve the problem above.
Hydrogenation of a monounsaturated fatty acid yields a saturated fatty acid. Oleic acid is a monounsaturated fatty acid. Predict the product of its hydrogenation:
The solubility of CO2 in water will increase when which condition is applied? * The Temperature is raised * Partial pressure of carbon dioxide is increased * Partial pressure of carbon dioxide is decreased
What is the pressure in kilopascals in s 38.0L balloon st 22 C filled with hydrogen produced by the reaction of 854.25 g of potassium with water
When 3.00 g KNO3 are dissolved in 50 g glycerol, the freezing point changes from 17.8°C to 13.6°C. What is the freezing point depression constant (Kf ) for glycerol.
What is the chemical equation of this coupled process? Show that the reaction is in equilibrium, include physical states, and represent graphite as C(s). What is the thermodynamic equilbrium constant for the coupled reaction
In an insulated container, a hot piece of iron (cp =0.4513 J/g-C) at 1490. C was added to 200. g of water (cp =4.184 J/g-C) at 20. C. The temperature of the resulting mixture became 90. C. What mass of iron was present?
Carbonyl fluoride, \rm COF_2, is an important intermediate used in the production of fluorine-containing compounds.
Using appropriate equations, explain why combustion of fuels containing sulfur leads to acid rain.
if the freezing point of a 0.107 m CH3COOH solution is -0.200°C, calculate the percent of the acid that has undergone ionization.
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