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Elucidate why nonafluoro-2-methyl-2-propoxide is a much weaker base than tert-butoxide? Explain how do you account for the difference in acidity between Meta and para-nitrophenol?
How much heat is required to change one gram of ethanol ice at 144 degrees C to ethanol vapor at 78 degrees C.
Milk spoils about 5x as fast at 300 K as it does at 250 K. What is the apparent activation barrier for the "milk spoiling" reaction
A gas evolved during the fermentation of sugar was collected at 22.5 c and 702 mmhg. After purification it's volume was found to be 25.0 l . How many moles of gas were collected.
Write a balanced chemical reaction for photosynthesis (accounting for both the light and dark reactions). Compare the pathways of photosynthesis and oxidative phosphorylation.
The value of Kf for cyclohexane is 20.0°C/m, and its normal freezing point is 6.6°C. A mass of 1.604 g of a waxy solid dissolved in 10.000 g of cyclohexane results in a freezing point of 4.4°C. Calculate the molar mass of the solid.
Place the following gases in order of increasing average molecular speed at 25°C. Ne, HBr, SO2, NF3, CO
an ideal gas undergoes a reversible isothermal expansion at 96.6degc increasing its volume from 1.76 l to 3.55 l. the
Assume that a particular reaction evolves 235kJ of heat and that 24 kJ of PV work is gained by the system What is the delta H inside and the surroundings and delta E inside and out?
Determine the oder of the reaction in H2O2 and KI. Explain how you arrived at your answer. Calculate the rate constant, k, and write the rate law expression for the catalyzed decomposition of hydrogen peroxide.
What are the advantages and disadvantages of animal studies and epidemiological studies for establishing dose-response relationships?
How many unpaired electrons in the F22+ ion are based on molecular orbital theory? The order of the molecular orbitals are (σ2s)(σ*2s)(σ2p)(π2p)(π*2p)(σ*2p).
Compute the theoretical amount (volume) of 3 M sodium hydroxide needed to convert 1.75 grams of benzoic acid to its water-soluble salt.
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