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You make 10-4 M solutions of NaOH and NaHCO3 and a 10-4.3 M solution of Na2CO3. You use pure distilled water that has been fully degassed.
a. What are the pH and alkalinity of these three solutions immediately after you make them?
b. What are the pH and alkalinity of these three solutions after they are allowed to equilibrate with the atmosphere?
calculate the molarconcentration of oxygen in water at 25 celsius for a partialpressure of 0.23 atm. the henry's law constant for oxygen
Explain why bromobenzene is unreactive to both sodium iodide in acetone and silver nitrate in ethaol, while benzyl chloride is reactive
Assuming that the calibration curve passes through the origin, what absorbance would be recorded for a solution with a Pb(NO_3_)_2_ concentration of 0.335 M.
A proton in a linear accelerator has a de Broglie wavelength of 155 pm. what is the speed of the proton?
In photosynthesis, plants from glucose (C6H12O6) and oxygen from carbon dioxide and water
Referring to the line representation, is the cell reaction spontaneus or non-spontaneous? Explain your answer.
1. How many CO2 molecules are needed to produce 1 glucose molecule (in photosynthesis)? 2. How many moles of oxygen atoms are in 1 mole of calcium phosphate?
Construct a table that shows the relationship among the group number, valence electrons lost or gained and the formula metallic
why does water in a wide, flat shallow dish evaporate more quickly than the same amount of water in a tall, narrow vase? c) why does a sandwich on a plate dry out faster than a sandwich in plastic wrap
Explain the pH change when the strong acid was added to the prepared buffer solution in relation to the pH of the buffer solution . Also indicate the change in the ph when the acid was mixed with the deionized water in relation to the deionized wa..
In a semi-conductor, the molecular orbital states that allow for the conduction of electric current are the lowest energy states available and the higher energy states available
You want to convert 5 mL of 3-methyl-2-butanol to 3-methyl-2-butene by an acid catalyzed dehydration. In order to finalize the experimental details, you look up the physical constants in the CRC Handbook and find the following data regarding boili..
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