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A solution is 0.05 M in Cr2O7^-2 and 0.003 M in Cr3-. If the pH is 4.0, What is value of the potential of the half reaction?Note: E \(E_{Cr2O7/Cr3+}= 1.36 V\)
flask of nitrogen is collected over water at a total pressure 765.0 mm Hg. If the partial pressure of the water vapor is 25.0 mm Hg, what is the pressure exerted by the nitrogen?
What mass of oxygen will react with 2.64g of magnesium? 2Mg(s)+O2(g)-->MgO(s)
A sample of gas in a balloon has an initial temperature of 22 and a volume of 1610 . If the temperature changes to 58, and there is no change of pressure or amount of gas, what is the new volume, , of the gas?
What is the volume of 295 mL of a sample of gas at 52.0°C and 710. mm Hg if the conditions are adjusted to STP
How is the ideal gas law modified to account for the finite volume of molecules? The temperature of the sea bed 60 m below the surface and at the surface are both 20C. A rubber balloon is inflated at the sea bed with 2.0 mole gas neglecting the wo..
Give explanation for arrangements how you decide the boiling points comparison - Arrange all these compounds in order of increasing boiling points
An X-ray photon of wavelength 0.976 strikes a surface. The emitted electron has a kinetic energy of 958 eV. What is the binding energy of the electron in?
The reaction of benzanilide with Cl2in acetic acid yields a mixture of 2 monochloro derivatives formed by electrophilic aromatic substitution.
Compute the initial pressure of the gas in the cylinder. b. Compute how much heat must be added to the gas in the cylinder for the spring to compress by 2cm
The infrared spectrum of CH3CH2NH2 shows two absorptions not shwon by bromoethane. Identify the bonds responsible for these two absorptions.
Draw the major organic product(s) formed when hex-2-yne undergoes hydration in the presence of HgSO4 and H2SO4.
Determine what is the coordination of the cations in the case of a normal spinel and what point defects are possible in the spinel structure?
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