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How many moles of excess reactant are present when 366 mL of .206 M sulfuric acid reacts with .596 L of .172 M sodium hydroxide to form water and aqueous sodium sulfate
how many moles of excess reactant are present when 366 mL of .206 M sulfuric acid reacts with .596 L of .172 M sodium hydroxide to form water and aqueous sodium sulfate
In the laboratory you are asked to make a 0.275 m chromium(II) iodide solution using 16.6 grams of chromium(II) iodide.
A. glycerol, C3H5(HO)3 is a nonvolitile molecular liquid that is very soluable in water. A solution is made by dissolving 75.0 g of glycerol in 350 g of water. What is the freezing point of the solu
Describe how a phospholipid differs from other fatty acids. How does this difference allow the formation of a bilayer in an aqueous medium
Chromium metal can be produced from the high temperature reaction of Cr2O3(chromium(III) oxide) with silicon or aluminum by each of the following reactions
Ethanol (molar mass = 46 g/mol) can be dehydrated to yield ethene (molar mass = 28 g/mol) by heating it with an excess of concentrated sulfuric acid (acting as a catalyst).
If you start with 6.00 moles of C3H8 (propane) and 6.00 moles of O2, how many moles of carbon dioxide can be produced. C3H8(g) + 5O2(g) 3CO2(g) + 4H2O(g)
An evaluation of R was performed, following the procedure described in this module. The barometric pressure was 736 torr, the temperature was 295k and volume of hydrogen gas collected was 35.6 mL. T
Lauryl alcohol is obtained from coconut oil and is used to make detergents. A solution of 5.00 g of lauryl alcohol in 0.100 kg of benzene freezes at 4.1.
What is the mole fraction of benzene in the vapor above the solution described in part (a)
What is the composition in mole fractions of a solution that has a vapor pressure of 33 at 20
An evaluation of R was performed, following the procedure described in this module. The barometric pressure was 736 torr, the temperature was 295k and volume of hydrogen gas collected was 35.6 mL.
What is the solubility of the following compounds in water and ethanol. ethyl acetate, ethanol, silica, azobenzene, azulene, 4(p-nitrophenylazo) resorcinol, methyl red, bromcresol Green
Circles, blocks, and triangles represent atoms.
Using the Henderson Hasselbalch equation, calculate the amount of monosodium phosphate (NaH2PO4, MW=120.01 g/mol) and disodium phosphate (Na2HPO4, MW=141.96 g/mol) required to prepare 100.mL of a 20
what is vapor pressure in mmhg of a solution prepared by dissolving 5.00 g of benzoic acid in 100g of ethyl alcohol at 35 degrees celcius? the vapor pressure of pure ethyl alcohol at 35 degrees if 1
Assume that RNA polymerase will read the top strand of DNA as the "template" to synthesize mRNA. What will be the sequence of the mRNA synthesized?)
Calculate pFe2+ at each of the following points in the titration of 25.00 mL of 0.02075 M Fe2+ by 0.03540 M EDTA at pH 7.00: a) 11.50 mL, b) Ve, c) 19.00 mL.
The weak acid AH4 has how many buffering regions. Can anyone explain how to approach this type of problems
The density of iron is 7.87 . What is the mass of a 4.00 4.00 1.00 block of iron? Express your answer to three significant figures and include the appropriate units.
Calculate the pressure, in atmospheres, of 3.94 mol CO(g) in a 4.25 L tank at 31 degrees C.
The enthalpy of formation is carbon monoxide is difficult to determine experimentally because it is difficult to burn carbon without producing carbon dioxide as well as carbon monoxide