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Calculate the molarity of acetic acid in a vinegar sample, knowing that 5.00 mL of vinegar requires 43.50 mL of 0.105 M NaOH to just reach the phenolphthalein endpoint in a titration.
How many moles of Al2S3 are produced using 12.8 grams of Al and 7.59 x 10-2 moles of S8
Name a compound with the formula, C5H12, which will show only one peak in the NMR spectrum.
At 27°C, a sample of sulfur dioxide (SO2) has a volume of 30.0 mL.
the volume of a gas bag was found to be 840 ml at a temperature of 25 degrees c and a pressure of 734 torr. what would
A 100 mL buffer solution initially has 1.00 M HClO (Ka = 3.0 × 10-8) and 0.75 M NaClO. What is the new pH when this 100 mL of 0.10 M NaOH is added to the initial buffer solution?
a 15 ml sample of a solution of pbclo32 was diluted with water to 19 ml. a 15 ml sample of the dilute solution was
What is the standard Gibbs free energy for this reaction? Assume the commonly used standard reference temperature of 298K, What is the Gibbs free energty for this reaction at 3652K? Assume that delta H and delta S do not change with tenperature.
Show the chemistry involved in dissolving iron(II)hydroxide with a strong sodium cyanide solution.
find the volume of a gas inside a cylinder.1. air trapped in a cylinder fitted with a piston occupies 168.8 ml at 1.08
Iron(III) oxide reacts with carbon to give iron and carbon monoxide; Fe2O3(s)+3C(s)-->2Fe(s)+3CO(g). a) How many grams of C are required to react with 2.50 mol of Fe2O3
Two parallel disks having diameters of 50 cm are separated by a distance of 10 cm. One disk also has a 20-cm-diameter hole cut in the center. Find the shape factor from the disk A1 to the one without a hole A3.
If 0.00523 mol N2O(g) effuses through an orifice in a certain period of time, how many moles of N2O5(g) would effuse in the same time under the same conditions
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