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Use Hess' Law to show how the titration of acetic acid with sodium hydroxide can be expressed as the combination of two reactions: the acetic acid reacting with water, and the sodium hydroxide reacting with hydronium ion.
What is the percent yield if 5g of anthracene-9-carbaldehyde (MW= 206.24) is used to make 4.8g of 9-strylanthracene
How many grams of HCl are required to react with the 344 grams of FeCl2?
What is the half-life of a compound if 80. percent of a given sample of the compound decomposes in 72 min? Assume first-order kinetics.
Assume that a gold atom is shaped like a sphere. An atom of gold has a radius of 156 pm and a mass of 197 amu. Determine the density of a single gold atom in units of g/cm3. (1 amu = 1.66 x 10-24g).
Iridium-192 is one radioisotope used in brachytherapy, in which a radioactive source is placed inside a patient's body to treat cancer. Brachytherapy allows the use of a higher than normal dose to be placed near the tumor while lowering the risk o..
Give the balanced thermochemical equation for the following reactions. show the correct physical state in each equation.
At a temperature T, a previously empty 5.00L flask is prepared by adding 1.20 mol SO2 and 1.5 mol of O2. Determine the concentrations of SO2, O2 and SO3 once equilibrium is established. KC=963
draw 3 compounds with molecular formula c5h10 with c-c double bond with no cis-trans isomers
what is the species list when titrating with hydrochloric acid? Aniline (benzenamine) has the formulas C6H5NH2. Its conjugate acid is C6H5NH3+.
Why is the intercept of a calibration curve of absorbance vs concentration not zero?
Isra fills two identical balloons at identical temperatures. She fills one with O2 gas and the other with O3 gas. Which balloon will deflate faster? Why?
What is the solubility of MnS, in grams per liter, in a buffer solution that is 0.115M HC2H3O2 - 0.500M NaC2H3O2 ? For MnS, Kspa=3x10^7
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