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1.75 pounds of pasta dough with a density of about .84g/cm^3 how many feet of 2" wide, 1/32" thick lasagna noodles can be made?
What is the net ionic equation for the reaction that occurs when small amounts of hydrochloric acid are added to a HOCl/NaOCl buffer solution
water in a coffee-cup calorimeter (see above figure) the temperature rises from 24.00 oC to 40.03 oC. Calculate H in kJ/mol FeCl3 for the solution process.FeCl3(s) Fe3+(aq) + 3 Cl-(aq)
The Ka of a monoprotic weak acid is 7.76 × 10-3. What is the percent ionization of a 0.127 M solution of this acid?
How does the Rf value of a given metal ion in solution by itself compare to its Rf value when it is in a mixture with other metals ions?
Cesium-131 is a short lived radioisotope (t 1/2 = 9.7 days) used to treat prostate cancer. How much therapeutic strength does a cesium-131 source lose over 45.0 days?
if 0.55 g of a gas dissolves in 1.0 l of water at 20.0 kPa of pressure, how much will dissolve at 110.0 kPa of pressure?
Using curved arrows to symbolize the flow of electrons, write the stepwise mechanism for the bromination of anisole to provide the major monobromination product. Write the resonance structures for any charged, delocalized intermediates that are in..
1) What is the filtration rate expected for this system? 2)How significant is the medium resistance?
Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C6H5COOH) and 0.15 M sodium benzoate (C6H5COONa). Ka= 6.5 x 10^-5 for benzoic acid. Please show your work for how you got this.
While carbohydrates are composed mainly of the same atoms, the structural arrangement differs considerably with related performance. Please indicate the linkages, if any, that exist within the following carbohydrates
The dipole moment (mu) of HBr (a polar covalent molecule) is 0.82 D (debye), and its percent ionic character is 12.1%. Estimate the bond length of the HBr bond in picometers.
What is ozone and how it works as a protective molecule for our environment? What are the effects of CFCs on the ozone layer.
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