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State Butadiene (C4H6) reacts with itself at 250 degrees to form a dimer with the formula C8H12. Define the reaction is second order in C4H6. Suppose the rate constant is 4.0 x 10^-2 M^-1s^-1, and the initial concentration of C4H6 is 0.080 M, Define how long will it take the concentration of C4H6 to reach 0.400M? Also how long are the 1st and 2nd half-lives?
Calculate the work done by the system as a result of the reaction. The atmospheric pressure is 1.0 atm and the temperature 25 C.
Explain how a calibration curve could be used to determine an unknown quantity
The reaction of coal with water at high temperatures produces synthesis gas, which is a mixture of carbon monoxide and hydrogen. Use the bond energies in the table below to estimate the enthalpy of the reaction
A compound contains 10.13% C and 89.87% Cl (by mass). Determine both the empirical formula and the molecular formula of the compound given that the molar mass is 237 g/mol.
Draw the structure of the product that results from the complete reduction of cyclohexanone
What is the volume of an object that has a mass of 3.4 g and a density of 2.4 g/mL? choose one below: 1.4 mL 0.71 mL 1400 mL 710 L 14 mL
If the same amount of heat is added to identical masses of each of these substances, which substance attains the highest temperature? (Assume that they all have the same initial temperature.)
Being that the active ingredient is Mg(OH)2, which decomposed to form Mg2+ and OH- ions. What are the two ways to increase solubility of Mg(OH)2 either before you take it or when it gets in the stomach
The student then adds 5 mL of an unknown volatileliquid and heats the flask in a boiling water bath at 99.2C(degrees) until all liquid disappears. The flask, foil, andunknown after heating that is dry and cool weigh 50.610 g.
Find the enthalpy of reaction for graphite going to diamond. Is this reaction exothermic or endothermic. What does it imply about the chemical bonding in diamond compared to graphite.
you are on the starship enterprise and the person in charged of preparing the weapons that are being used in a battle
A solution of phosphoric acid was made by dissolving 10.0g H2PO4 in 10.0 mL of water. The resulting volume was 104 mL. Calculate density, mole fraction, molarity, and molality of the solution.
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