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Calculate the pH of the following: the solution prepared by mixing 25.00mL of 0.100M malonic acid with 15.00mL of 0.16667M NaOH (Ka1 = 1.24x10 -3. Ka2 = 2.01x10 -6)
Two groups of students prepared the compound acetamide. Group A isolated is a solid with a melting point of 80.5 degrees C. Group B obtained a compound with a melting point of 74-77 degrees C
Calculate the pH of a solution formed by mixing 65-mL of 0.22M NaHCO3 with 75-mL of 0.15M Na2CO3.
A 2.56 g sample of a colorless liquid was vaporized in a 250mL flask at 121*C and 786 mmHg. Determine the molecular weight of the liquid
Why is it not possible for the molar mass of a monoprotic acid to have a value less than 1g/mol
A collection of electrons is confined to an infinitely deep well or 1-D box having a 4 nm width. What wavelength photon in micrometers and nanometers when absorbed by an electron in a n=3 level will cause the electron to undergo a transition from ..
Important information about Net ionic equation, What is the net ionic equation of 2Fe(NH4)2(SO4)2*6H2O + 6K2C2O4 + H2O2 + H2SO4
The radius of an atom of gold (Au) is about 1.35 Angstron. (a) Express this distance in nanometers, and in picometers. (b) how many gold atoms would have to be lined up to span 1.0 mm? (c) if the atom is assumed to be a sphere, what is the volume ..
A piece of chromium metal with a mass of 24.26 g is heated in boiling water to 98.3 degrees celsius and then dropped into a coffee-cup calorimeter
What is the reaction mechanism (detailed with arrows) for trans-cinnamaldehyde when reacted with benzyltriphenylphosphonium chloride?
Which of the following accurately describes the change that occurs when liquid water is frozen into an ice cube. A. A physical change B. A chemical change C. Both a physical and chemical change D. Neither a physical nor a chemical change
a bottle containing 305 g of cleaning solution is used for carpets. if the cleaning solution has a specific gravity of
Arrange the following from the smallest number of representative particles to the largest number of representative particles.
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