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Electron configurations are a shorthand form of an orbital diagram, describing which orbitals are occupied for a given element.Generate the electron configuration of arsenic (As)
a 5.0g sample of a hydrate of CaCl2 was heated, and only 4.3 g of the anhydrous salt remained. what is the percentage of the water was in the hydrate?
What volume (in milliliters) of 0.240 M NaOH should be added to a 0.125 L solution of 0.029 M glycine hydrochloride
A solution of I2 was standardized with ascorbic acid. Using .1000 g sample of pure ascorbic acid, 23.25 ml of I2 were required to reach the starch end point.
which of the following shows the acids in order from strongest to weakest? The order of atomic radii is I > Br > Cl
If the measured gas pressure in a collection flask during a gas-forming reaction was determined to be 1.44 atm, and the atmospheric pressure that day was measured as 0.95 atm.
determine the molecule weight of the liquid and the density of the vapor under these condition?
What is the pH of the solution after 39.2 mL of NaOH have been added to the acid? Ka=1.3x10^-5
An unknown compound has a melting point of 121 - 122 °C. Melting point of a mixture of pure benzoic acid and your unknown sample was 116-122 °C. Melting point of a mixture of 2-naphthol and your unknown sample was 110 - 116 °C. What is your unknow..
Find the equation for the work of a reversible, isothermal compression of 1 mol of gas in a piston/ cylinder assembly if the molar volume of the gas is given
What simple compund reacts with carboxylic acid to make lidocaine? Identify and draw the structures of two simpler compounds one from which should be a carboxylic acid, from which you could make lidocaine.
What will be the total vapor pressure (in torr) of a solution prepared by mixing equal masses of the two liquids?
When 20 mL of a 135 mL stock solution containing 1.5 M CaCl2 is diluted to 103 mL, how many moles of Ca2+ are in the new solution?
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