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Forecast how the total pressure varies during the gas-phase reaction N2 (g) + 3 H2(g) = 2 NH3 (g) in a constant-volume container
Urea (NH2CONH2), an important nitrogen fertilizer, is produced industrially by the reaction 2NH3 (g) + CO2 (g) --> NH2CONH2 (aq) + H2O (l). Given that delta G = -13.6 kJ, calculate delta G at 25 C for the following sets of conditions.
Lactic acid (found in sour milk) has an empirical formula of HC3H5O3. A 1.0 g sample of lactic acid required 17.0 mL of 0.65 M NaOH to reach the end point of a titration. What is the molecular formula for lactic acid
Compound A reacts with water to give dimethylmalonic acid and with methanol to give the monomethyl ester of the same acid. (Compound A was unknown until its preparation in 1978 by chemists at the University of California, San Diego.)
Calculate the equilibrium constant, Ka for the acid, HA if, at equilibrium, the pH of a 2.3 M solution of HA is 1.62
a piece of metal with mass of 125grams is placed into a graduatedcylinder that contains 25.0ml of water raising the
Describe how you will prepare a H2PO4-/HPO42- buffer using solid sodium dihydrogen phosphate and sodium hydrogen phosphate (pH 7.4, 500 mL 0.40M each).
Explain how many moles of water are made from entire reaction of 2.2 moles of oxygen gas with hydrogen gas. Given the reaction: 2H2 + O2 --> 2H2O
Among the properties they report are the equilibrium internuclear distance Re, the vibrational wavenumber, v, and the dissociation energy
A mixture of FeO and Fe2O3 with a mass of 10.0 g is converted to 7.43 g Fe of pure Fe metal. What are the amounts in grams of FeO and Fe2O3 in the original sample
From the stoichiometry, it's shown that the sodium ethoxide is used in excess. What happens to this excess during work out. (Be specific, write out the reaction that occurs and figure out at what point is it destroyed)
A rectangular block has dimensions 2.9 cm 3.5 cm 10.0 cm. The mass of the block is 615.0 g. What are the volume and density of the block?
The titration of a 23 ml sample of 0.110 M HC2H3O2 with 0.130 M NaOH. Determine the following? the initial pH, the volume of added base required to reach the equivalence point
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