Calculate the number of lead ions present
The EPA limit for lead in the water supply is 15 parts per billion by mass. Calculate the number of lead ions present in 1.00kg of water that is at the EPA limit for lead.
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Predict if the following conditions would result in the formation of a preecipitate:
Use the chemical equation 2CH3OH(g) + 3O(g)=2CO2(g)+4H2O(g) to estimate the quantity of energy released in the combustion of methanol. Contruct table to to display and sum the energies required to break all the bonds of the reactants and energies
What mass of potassium bromide residue remains if 500.0 mL of 0.200 M potassium bromide solution are evaporated to dryness?
Explain the general idea of the LCAO-MO method. What is the minimal set of functions necessary to describe water in the LCAO-MO method?
Butyric acid is responsible for the foul smell of rancid butter. The pKa of butyric acicd is 4.84. a) Calculate the pKb for the butyrate ion.
What are the products of cyclohexanol + SOCl2
Then 2.00 mL of solution A is diluted with 8.00 mL of petroleum ether, forming solution B. How many grams of oleic acid are 5.00 mL of solution B?
Liquid heptane, C7H16 , burns in oxygen gas to yield carbon dioxide and water. What mass of carbon dioxide is produced when 15.0 mL of heptane burns completely?
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