Determine the empirical formula for the given compound
A chemist finds that 90.00 grams of an unknown compound contains 32.76 grams of manganese, 19.08 grams of sulfur, and 38.16 grams of oxygen. Find the empirical formula for this compound.
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Calculate the equilibrium constant Ka, for the ionization of formic acid in aqueous solution at 25 degrees celsius. delta G^0=21.3 kJ at 25 degrees celsius
A sample of a certain gas has a volume of 415 mL at 725 mm Hg and 0oC. What would be the volume of this same sample of gas if it were measured at STP?
Evaluate what type of accounting change and describe any steps that should be taken to appropriately report the situation and also what journal entries should document the change?
The board of directors of Capstone Inc. declared a $0.60 per share cash dividend on its $1 par common stock. On the date of declaration, there were 50,000 shares authorized, 20,000 shares issued, and 5,000 shares held as treasury stock.
Question: A chem 216 student titrated 5.15 g of an unknown weak acid with 0.92M of NaOH. Equivalence point was found to be 52.1 mL. What is the molecular weight of the unknown weak acid?
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Larson Construction, Inc. has consistently used the percentage-of-completion method of recognizing income. During 2004, Larson started work on a $3,000,000 fixed price construction contract.
At 760. Torr, an unknown liquid boils at 239.8 K. At 205.0 K the equilibrium vapor pressure of the unknown liquid is 103.5 Torr. What is the molar enthalpy of vaporization for this liquid?
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