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In a given diffusion apparatus, 15.0ml of HBr gas diffused in 1.0min . In the same apparatus and under the same conditions, 20.3 mL of an unknown gas diffused in 1.0 min. The unknown gas is a hydrocarbon.
How many milliliters (mL) of a 1.28 M sulfuric acid solution are needed to neutralize 60.2 mL of a 0.427M sodium hydroxide solution.
A reaction mixture at 175 initially contains 522 torr of NO and 421 torr of O2. At equilibrium, the total pressure in the reaction mixture is 748 torr. Calculate Kp at this temperature.
When filled withan unknown gas at STP, the container mass is 37.062g. Calculate themolecular weight of the unknown gas, and then state its probableidentity.
Provide structures of the two allylic free radical intermediates in this reaction. b. Provide structures of the two substitution products in this reaction. c. Identify and circle the major product in (b) above.
If 100mL of 0.01 M CaCl2, 100mL of 0.01 M Sr(NO3)2 and 100 mL of 0.01 M Na2SO4 are mixed together; what is the Ca2+ concentrationin solution and which precipitates will form?
calculate the heat released when 2.57 l of cl2g with a density of 1.88 gl reacts with an excess of sodium metal at
^188 W decays by first order with a rate constant of 1.00 x 10^-2 d^-1. How long will it take for 93% of the initial amount of the reactant to be consumed
A typical hot pack is designed to reach a temperature of approximately 50 degrees Celsius starting from room temperature at about 20 degrees Celsius. Assume that the hot pack will contain 100.0 mL of water.
Design a synthesis of 4-(carboxymethyl)-nitrobenzoic acid starting with benzene and any other necessary reagents
A gaseous mixture contains 450.0 Torr of H2(g), 358.7 Torr of N2(g), and 65.1 Torr of Ar(g). Calculate the mole fraction, X, of each of these gases.
A reaction mixture initially contains 0.56 atm CO2 and 0.32 atm CO. Determine the equilibrium pressure of each gas if Kp for the reaction at this temperature is 2.25.
Analysis with an elaborate instrument indicates that substance A contains two elements. Substance B and substance C react to give a new substance D. Substance E decomposes upon heating to give substance F and substance G. Heating substance H to 10..
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