Ahot gas stream containing reactant a (2 lit/min, 2 atm, 6770k, 1/6 a and 5/6 inerts) and a cold gas stream consisting of pure b (0.5 lit/min, 1.95 atm, 3300k) flow into a mixed flow reactor (0.75 lit) kept at 4400k and 1.3 atm where a and b react as follows a + 2b > 6r -ra = k cacb

the partial pressure of a in the reactor and in the exit stream is 0.02899 atm. from this information determine:
the fractional conversion of a and of b in the reactor.
the rate constant (m3/mole. min) of the reaction.

For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate,m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

The last few miles of the marathon are the most difficult for heather, her hair plastered to her head, sweat clinging to her arms, and her legs already feeling as if they had nothing left, just dead weight. after grabbing a cup of ice water, she feels the ice cubes smash against her nose as she gulps some cool refreshment and keeps on running. in these last few miles, the breeze kicks up and she finally feels some coolness against her skin. drips of sweat, once clinging to her forehead, now spill down, and heather feels more pain as the sweat flows into her eyes.which of the following is the most likely reason why the ice struck heather’s nose when she took a drink? a) water can function as a solvent. b) water can store large amounts of heat. c) water can moderate temperatures through evaporative cooling. d) the density of water decreases when it freezes. e) water has a cohesive nature.sweat remained on heather’s forehead and arms because of the a) high salt content of sweat b) cohesive nature of water c) ability of water to moderate heat d) high evaporative cooling effect of water e) ability of water to act as a solvent