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Free-radical halogenation can occur with chlorine and a source of direct UV radiation or sunlight. Chlorination via radical halogenation is a very unselective process and can lead to the formation of all three of the below products. Estimate the relative percentages of each product that will be formed using this means of halogenation. Presume that 1 equiv. of chlorine is used.
When 4.21 g of a nonelectrolyte solute is dissolved in 165 mL of water at 26 °C, the resulting solution exerts an osmotic pressure of 909 torr
A piston has an external pressure of 12.0 \rm atm. How much work has been done if the cylinder goes from a volume of 0.120 liters to 0.500 liters.
Give the structure that corresponds to the following molecular formula and 1H NMR spectrum: C7H16O:
If each mole of gas occupies 59 L under the conditions of the explosion, how many liters of gas are produced. Express your answer using two significant figures. How many grams OF N2are produced in the detonation
Determine the activation barrier for the reaction. What is the value of the rate constant at 15
Calculate the molarity and mole fraction of acetone in a 1.26 m solution of acetone (CH3COCH3) in ethanol (C2H5OH). (Density of acetone = 0.788 g/cm3; density of ethanol = 0.789 g/cm3.) Assume that the volumes of acetone and ethanol add.
What is the mass of sulfur dioxide gas (SO2) at STP in 164 L of the sample?
A red laser pointer emits light with a wavelength of 660. What is the frequency of this light? 2.What is the energy of one of these photons?
Sometimes redox reactions happen differently in acidic or basic solutions. Explain, in your own words, the difference in how you balance a reaction in acidic solution and basic (alkaline) solution.
Solid lithium hydroxide is used in space vehicles to remove the carbon dioxide gas exhaled by astronauts. The hydroxide reacts with the carbon dioxide to form solid lithium carbonate and liquid water.
A galvanic cell is formed by connecting an iron (III)/ iron metal electrode to a zinc (II)/ zinc metal electrode through a suitable salt bridge.
Suppose that the observed melting point range of a solid was originally 150-160 °C, but this became 145-145.5 °C after recrystallization. How might you account for this observation
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