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A balloon is filled with helium to a volume of 25 L at 100kPa pressure and 25°C. The balloon is then released. What volume does it occupy when it has reached an altitude where the pressure is 18 kPa and the temperature -24°C? Give your answer to 1 decimal place
Explain why triethylamine is a weaker base than dimethylamine or methylamine.
A hydrogen atom initially in the n=7 quantum state emits a photon having a wavelength of 2.16495E-6 m. What is the quantum number of the final state of the atom?
An equilibrium mixture for the reaction above contains [H2] = 0.150 M, [I2] = 0.350 M, and [HI] = 0.500 M. What is the value of the equilibrium constant, Kc, for the reaction?
A piece of solid Ni metal is put into an aqueous solution of HNO3. Write the net ionic equation for any single-replacement redox reaction. Include states and charges
When 0.0172 mol HI is heated to 500 K in a 2 L sealed container, the resulting equilibrium mixture contains 1.9 g of HI. Calculate Kc for the decomposition reaction 2HI(g) *) H2(g) + I2(g) .
Carbon monoxide and water vapor, each at 190 Torr, were introduced into a 250 mL container. When the mixture reached equilibrium at 690 ?C, the partial pressure of CO2(g) was 108 Torr.
aqueous solutions of ironiii chloride and sodium hydroxide are mixed together to form a combined solution that is 0.015
Determine the following characteristics of the titration curve for 25.0 mL of 0.400 M NH3(aq) titrated with 0.335 M HI(aq). (For NH3, Kb = 1.8x10-5.)
Determine what given process is occurring when the color appears in the flame and an electron emits energy and it makes a transition to a higher energy orbital.
by solving this problem student is ablenbsp to understandnbsp how to calculate theoretical and percent yields in an
Harmonic Function Morse Function Lennard Jones Function How do I determine the frequency of an absorption spectroscopy line
Alkenes can be converted to alcohols by reaction with mercuric acetate to form a ?-hydroxyalkylmercury(II) acetate compound, a reaction called oxymercuration. Subsequent reduction with NaBH4 reduces the C-Hg bond to a C-H bond
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