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Beginning with 2-methylcyclopentanol and any necessary additional reagents, show how you would synthesize the following compounds. Make sure to clearly show all reagents used and the structure of the product formed in each step. Use wedge and dash bonds to indicate the correct stereochemistry in the...
Calculate the mole fraction of water in this solution, assuming that the KI is completely dissociated. b) Predict the vapor pressure of water over this solution at 25 °C, assuming complete dissociation of the KI.
What is the role of sodium sulfite? How does it work? Please use an equation to explain this. Why was the work-up step so important in this experiment? What can be found in the top layer, and the bottom layer in the extraction step?
A 47.60 g sample of liquid magnesium at 738.0 °C is poured into a mold as well as allowed to cool to 28.0 °C. Explain how many kJ of energy are released in the process
A student takes 195. g of BaCl2, and reacts it according to the following equation: 3BaCl2 + Al2(SO4)3 → 3BaSO4 + 2AlCl3 How many moles of AlCl3 are formed?
the net change in entropy of the system and surroundings considered together must be a positive quantity; (e) the entropy of the universe must remain constant.
write a general equation that illustrates all acid-base reactions. using equation, what factor can be varied to observe their effect on HEAT
A low melting metallic element has a vapor pressure of 28.2 torr at 458. oC. and a vapor pressure of 420. torr at 710. oC. What is the enthalpy of vaporization of this metal in kJ/mol?
Being an organic TA she proverb the students' attempt in performing a grignard reaction due to the presence of water in their mixture. Define what was this flash of insight and how was the graduate student able to use it to obtain her Ph-D. Provid..
A mass of solid aluminum is at its melting point. what is the maximum mass of this sample that can be melted by 120 kJ of heat? ( Cp=0.900J/gc ; Hfus= 35.7 KJ/g
Calculate the enthalpy change in kilojoules when some KOH is added to 47.727 g of water and the temperature increases
For a solution that is 0.282 M NH3 and 0.117 M NH4NO3, calculate the following. For NH3, Kb is 1.8x10-5. Enter [OH?] and [H3O+] with two significant digits. Enter scientific notation as 1.23E4.
how the hydrogen oxalate ion can be both a bronsted acid and a bronsted base
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