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Using the relationship between energy and wavelength (Beer's Law), explain which direction (higher wavelength or lower wavelength) the (max wavlength) will be found for butene compared wit hthat for a butadiene
A 4.50-g sample of LIL at 25.oC dissolves in 25.0 mL of water also at 25.0C. The final equilibrium temperature of the resulting solution is 60.8C. What is the enthalp of solution of LICL expressed in kilojoules per mole?
Treatment of the bicyclic chloride A with lithium in tetrahydrofuran (THF) gave the monocyclic product B, C9H9Li. In deuterated THF, B exhibited a single proton NMR signal at 6.72 ppm
Calculate the total enthalpy change in the first stage and in both stages
What volume will 500 mL of gas at 20°C and a pressure of 420 mm Hg occupy if the temperature is reduced to -80°C and the pressure increased to 650 mmHg?
Propane gas (C3H8) is used as a fuel in rural areas. How many liters of C02are formed at STP by the complete combustion of the propane in a container with a volume of 15.0 L
what do the bond angles of water suggest about the hybridization state of the oxygen atom of water?
Describe two different ways by which electrons can move from the valence band to the conduction band.
The temperature inside my refrigerator is about 40 Celsius. If I place a balloon in my fridge that initially has a temperature of 220 C and a volume of 0.5 liters
What is the frequency of the photon emitted when a molecule of NaH drops from the second to first level?
Proceeds at a certain temperature until the partial pressure of H2O, H2, and O2 reach 0.0500 atm, 0.00200 atm, and 0.00800 atm respectively. What is the value of the equilibrium constant at this teperature?
Use Hess' Law to show how the titration of acetic acid with sodium hydroxide can be expressed as the combination of two reactions: the acetic acid reacting with water, and the sodium hydroxide reacting with hydronium ion.
determine the molarity of each of the ions present in the following aqueous salt solutions.
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