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A reaction of cyclobutene with NBS and light. Why does a bromide produce on the secondary carbon not the tertiary like a normal bromonation. What exactly does NBS do
A gas has a pressure of 4.82035 atm when its volume is 2.75 L. What will the pressure be when the volume is changed to 1.91015 L.
A gas occupies a volume of 410 mL at 27oC and 740 mm Hg pressure. Calculate the volume the gas would occupy at STP.
What are the equilibrium pressures of N2O4 and NO2 when 0.61 mol of each gas are introduced
Assume that the pH is low enough that CH3COOH is not dissociated at all and that the activity of water equals 1 just like for pure liquid water (after all, the solution is quite dilute). HINT: This problem requies you to keep and extra large numbe..
4. How many grams of NaNO3 would you add to 250g of H2O in order to prepare a solution that is .500 molal in NaNO3?
Radioactive nitrogen-13 has a half-life of 10 minutes. After 40 minutes, how much of this isotope would remain in a sample that originally contained 96 mg?
How much heat is required to warm 231 g of ice from -46.9°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
Which of these substances would have the strongest cohesive forces in combination with the greatest molecular mobility?
Suppose you take a trip to a distant universe and find that the periodic table there is derived from an arrangement of quantum numbers different from the one on Earth
The answer to formula and calculation, survey of physical chemistry, State all of the assumptions (e.g. ideal gas etc). (previous reaction is 2H??2(g) + O2(g) ----> 2H2O(g))
Explain why electrically neutral objects can become electrically charged even though charge cannot be created or destroyed.
Calculate the pH during the titration of 29 mL of 0.2 M HNO3(aq) with 0.15 M NaOH after 10 mL of the base
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