Water with an alkalinity of 200 x 10-3 equivalentsl has a
Water with an alkalinity of 2.00 X 10^-3 equivalents/L has a pH of 7.00. Calculate [CO2], [HCO3-], [CO3^2-], and [OH-].
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A copper wire has a diameter o 2.05mm and carries a current of 5 A due solely to electrons. (These values are common in residential wiring) Each electron has a charge of 1.60x10^-19C. find the average velocity of the electrons in the wire
A sample of wood from an archaeological excavation is dated by using a mass spectrometer to measure the fraction of 14C atoms. What is the wood's age
For each molecule, identify the central atom, the steric number on the central atom, the number of bonded electron pairs on the central atom, and the number of lone pairs on the central atom.
A typical lead acid storage battery has a mass of 30 kg. Starting from a fully charged state, it can supply 5 A for 24 hours with a terminal voltage of 12 V before it is discharged.
Suppose the projections given for price, quantity, variable costs, and fixed costs are all accurate to within ±10 percent.
Calculate all the preceeding concentrations and the weight of biomass, {CH2O}, produced. Assume no input of atmospheric CO2.
A gasoline engine absorbs 4190 J of heat and performs 3170 J of mechanical work for each turn of the engine shaft
Write an algorithm in pseudo code that finds all prime numbers between 2 and 100. You may use any algorithm to compute them, but be sure that your pseudo code meets the three requirements of an algorithm: definiteness, effectively computable, and
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Which of the following theorists developed the sociocultural theory of child development which emphasized "experts" and the ZPD?
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