Determine the activation energy for the decomposition of o2
Determine the activation energy for the decomposition of O2 by the reverse reaction if the activation energy for the reaction O +O3 ®2O2 is 25 kJ/mol, and the enthalpy change is DH =-388 kJ/mol.
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What was the initial temperature of ethylene glycol if the final temperature is 32.5°C (c of ethylene glycol =2.42 J/g·K) if a 26.3 g sample of ethylene glycol, a car radiator coolant, loses 692 J of heat.
When at 30. °C the 121 mL water is mixed with the 63 mL water at 84°C, determine the final temperature assume that no heat is lost to the surroundings and that the density of water is 1.00 g/mL.
Sodium chlorate decomposes to produce the oxygen and sodium chloride gas at the elevated temperatures. A sample of impure sodium chlorate which is having 0.8765 g was heated until the production of oxygen gas ceased.
A sample of an unknown acid which is having 2.20 g (empirical formula = C3H4O3) is dissolved in the 1.0 L of water. A titration needed the 25.0 mL of 0.500 M NaOH to react totally with all the acid present.
Determine the numbers of minutes are needed for the 20% of a sample of cyclopropane to isomerize to the propene? At 700 K, the rate constant for the following reaction is 6.2 ´10-4min1
At a point downstream, the air flows through a 5.00 cm ID pipe at 60 degrees Celsius and 1.53 bar (gauge) when a stream of air enters a 7.50-cm ID pipe at a velocity of 60 m/s at27 degrees Celsius and 1.8 bar (gauge). Determine the velocity of the
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