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Explain how much heat is evolved when 320 g of SO2 is burned as per to the chemical equation shown below?2 SO2(g) + O2(g) 2 SO3(g) 2Ho
140 mL of a .175 M aqueous solution of NH3 is titrated with a .106 M solution of HCl. (NH4+ Ka=5.56x10^-10)
would the mass of the precipate collected be more, unchanged, or less if performing the reaction with reactants
A peptide with the amino acid sequence C-P=T-Y-R-L-D-Q (MW = 995.12 g/mol) is dissolved in this solution at a concentration of 5 micromol.
A 12 liter tank contains helium gas pressurized to 160 atm. What size tank would be needed to contain this same amount of helium at 1 atm
a 345 ml container holds 0.146 g of ne and an unknown amount of ar at 35degc and a total pressure of 620 mmhg.
Some students obtained IR spectra of their n-butyl bromide product showing a band at ~2650 cm-1. Explain what impurity is responsible for this band. Define what error caused this impurity to be present in the product. Give a reference documenting ..
What is the pH of the resulting solution if 30.00 mL of 0.10 M acetic acid is added to 10.00 mL of 0.10 M NaOH? Assume that the volumes of the solutions are additive. Ka = 1.8 × 10-5 for CH3CO2H.
What are the products of a double displacement reaction involving sodium hydroxide and hydrochloric acid
Draw the structure of the product of the reaction between cyclohexene and O3 then (CH3)2S Indicate stereochemistry.
How many grams of Fe(NO3)3 · 9 H2O are required to prepare 300.0 mL of a 0.249 M solution of Fe(NO3)3 · 9 H2O?
In the manufacturing of computer chips cylinders of silicon are cut into thin wafers that are 3.00 inches in diameter and have a mass of 1.50 g of silicon
CO exhibits an infrared absorption band at 2143 cm^-1 that is attributed to the symmetric stretching transition. Assuming this corresponds to a transition from the v=0 to v=1 vibrational quantum number
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