A ground water sample has a ph of 75 hardness due to
A ground water sample has a pH of 7.5, hardness (due to primarily Ca2+) of 100 mg/L, and an alkalinity of 250 mg/L as CaCO3(s). Is the calcite precipitating or dissolving in the pore water? (Alkalinity = [HCO3-] + 2[CO32-]+[OH-]-[H+])
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A spillway carries a discharge of 22.5 m^3/s with the outlet velocity of 15 m/s at a depth of .2 m. Select an adequate USBR stilling basin and determine the sequent depth, the length of the hydraulic jump and the energy loss.
Consider the binary reaction 14C(p,n)14N where p indicates a proton and n a neutron. The neutron emerges at an angle of 90° with respect to the direction of travel of the incident proton
The total dissolved inorganic carbon (TIC) of a sample of groundwater is 8.33 mM. The temperature of the aquifer is 15C, the pH is 7.5, and the ionic strength is 0.05 M. What is the H2CO3, HCO3-, CO3 2-, and the partial pressure of CO2
The total neutron flux in a uranium fueled reactor can be characterized by a fast flux component f1 composed entirely of 1 MeV neutrons and a thermal flux component f2 composed entirely of 0.025 eV neutrons; that is, all neutrons in the core are assu
A ground water sample has a pH of 7.5, hardness (due to primarily Ca2+) of 100 mg/L, and an alkalinity of 250 mg/L as CaCO3(s). Is the calcite precipitating or dissolving in the pore water
Child abuse and maltreatment is not limited to a particular age and can occur in the infant, toddler, preschool, and school-age years. Choose one of the four age groups (infant, toddler, preschool, or school age) and discuss the types of abuse that a
A 2.30-kg object is attached to a spring and placed on frictionless, horizontal surface. Find the maximum acceleration of the object
A person who retires at age 62 can receive Social Security benefits of $1537 per month, but by waiting for the full retirement age of 66, the person will receive $2057 per month.
A charged particle is moving horizontally westward with a velocity of 3.5 x 10^6 m/s in a region, What is the charge on the particle
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When people get involved in community and social change but do not hold official political positions, which of the terms best describes what they are part of
Why does victor coin the term hyper-violence instead of just using violence? And second, how is hyper-violence display in the Oakland community?
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