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A. What is the concentration of (OH-) when the concentration of (H3)+) is equal to 2.5x10^-4?
B. Is the solution above basic or acidic?
C. What is the (H3O+) when the pH is 6.2?
the average energy output of a barrel of oil is 5.90 times106nbspkjbarrel.calculate the number of barrels of oil needed
Part 1: Using the following reaction: Aqueous lead (II) nitrate reacts with aqueous lithium sulfate.
The reaction A2 + B2 ? 2 AB has an equilibrium constant Kc = 1.5. The following diagrams represent reaction mixtures containing A2 molecules (red), B2 molecules (blue), and AB molecules. Which reaction mixture is at equilibrium?
A series of lines in the spectrum of neutral Li atoms rise from combinations of 1s22p12p with 1s2nd12D and occur at 610.36nm, 460.29 nm, and 413.23 nm The d orbitals are hydrogenic. It is known that the 2p term lies at 670.78 nm above the ground s..
In a first order decomposition in which the rate constant is 0.201 sec-1, how long will it take (in seconds) until 0.131 mol/L of the compound is left, if there was 0.566 mol/L at the start
Selective oxidation of hydrocarbons is a known method to produce alcohols. However, the alcohols react with the oxygen to produce aldehydes, and the latter react with oxygen to produce organic acids.
calculate the ionization energy of xenon , given that the energy of a photon of this light is 1.95 x 10^18 J (I calculated that from the given wavelength of 102 nm). now how do i calculate the ionization energy in kJ/mol for xenon
The decomposition of hydrogen peroxide to gaseous O2 and water is a spontaneous process, yet H2O2 is stable for long periods of time. Explain
according to the equationnbsp ch3nh2aqh2olgtch3nh3aqoh-aq kb4.4 x 10-4 ch3nh2 is a weak base that mix with h2o. ch3nh2
A 1-ft-diameter cylinder is closed on one end and fitted with a moveable piston on the other. With 1 atm applied pressure, the piston is located 20 ft from the closed end
a 2.00l sample of o2 g was collected in a flexible container like a balloon over water at 25 degrees celcius and an
During fractional distillation, which of the following chemicals would come out at the top of the tower?.. octane, ethane, wax, or coal tar?
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