Category 1
Category 2
Category 3
Category 4
Category 5
100
it depends on the location
What is the effect of ozone?
100
1/time
What is the unit of reaction rate constant for a first order reaction?
100
Research to help us reduce our ecological footprint without reducing our standard of living
What is Sustainability?
100
The rate is independent of the reactant concentration.
What is a zero order reaction?
100
NAAQS
What is the name for air quality standards established by the United States Environmental Protection Agency?
200
It depends on PH
What is the dominant form of carbon in ocean?
200
To condense and cool down steam that is used in the steam turbine
What is a function of cooling water used in a power plant?
200
Volume divided by mass divided by time
What is the unit of reaction rate constant for a second order reaction?
200
Liter multiplied by atm divided by mole
What is a typical unit of Henry’s gas constant?
200
It is the ratio of concentrations of a compound in a mixture of two immiscible phases at equilibrium.
What is partitioning coefficient?
300
# moles of X per moles of air or water
What is mixing ratio?
300
1/K[(CA0/CAf)-1]
What is a residence time for a first order reaction in a CSTR reactor?
300
It really doesn't matter
What is the preferred type of reactor for a zero order reaction?
300
(CA0-CAf)/K
What is a residence time for a zero order reaction in a CSTR or PFR reactor?
300
30-35%
What is the typical efficiency in coal power plant?
400
RA*V
What is the rate of mass that is removed by reaction?
400
-1/k[CAF/CA0]
What is the retention time for a first order reaction in a PFR reactor?
400
Its solubility
What is the maximum theoretical concentration of a chemical in water?
400
Distribution of a chemical species between the gas phase and a liquid phase remains constant.
What is equilibrium?
400
leaching of radioactive materials and heavy metal
What is a possible water supply threat?
500
ACC=-Decay
What is the mass balance equation for a system with no input and no output?
500
VdC/dt=QinCin
What is the mass balance equation for a system with no output and no reaction?
500
LnCA0
What is the intercept of the lnCA VS time plot in a first order reaction?
500
5.62
What is pH of rainwater in pristine environment at 25ºC and 1 atm total pressure?
500
It decreases by increasing temperature
What is the relationship between gas solubility and temperature?
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