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The mass of a beaker is 7.839g. After 7.50 mL of hexane, C6H14, is pipetted into the beaker, the combined mass of the beaker and the heaxane sample is 12.806g. What is the measured density of hexane?
Chemical Reactions explained in this solution, 1. Some sulfuric acid is spilled on a lab bench. It can be neutralized by sprinkling sodium bicarbonate on it and then mopping up the resultant solution. The sodium bicarbonate reacts with sulfuric ac..
What is the new pressure, in atm,when the air is placed in tanks that have the following volumes, if there is no change in temperature and amount of gas?
In the first step of the trypsin mechanism, the side-chain oxygen of Ser 195 attacks the carbonyl carbon of the substrate. Use PyMOL and your model of the enzyme substrate complex to determine the distance between these two atoms.
gasoline has the density of .73g/cm^3. how many liters of gasoline would be required to increase the mass of an automobile from 1271 kg to 1305 kg.
The equivalence point of the titration occurs at 23.74mL . Determine the molar mass of the unknown acid.
1.50 mol of helium gas in a cylinder is held at a volume of 22.4 L by a piston at 273K and 1.00 atm. Heat is supplied to the system to double the volume and temperature of the gas while maintaining the internal pressure at 1.00 atm.
Calcule the platinum electrode potential (vs. NHE), immersed in solution containing 0.50 M Br2 KBrO3 0.20 M at pH = 2.5
The hydrogen is recovered as its most stable oxide. When the oxide was made to decompose completely it released 1.274x10^25 molecules of oxygen gas.
How many grams of camphor (C10H16O) are needed to raise the boiling point of 43.5grams of benzene by 2.10 degress Celcius? The Kb of benzene is 2.67degress Celsius/molality.
Although Pd (II) complexes with monodentate O-donor ligands are not as plentiful as those with P- , S- and As-donor Ligands
One radio station operates on an assigned frequency of 88.1 megahertz while another operates on an assigned frequency of 1460 kilohertz. What is the ratio of the larger to smaller value?
N2O4(g) + KCl(s) → NOCl(g) + KNO3(s) Find out oxidation number of each and find which one is reduced and which one is oxidized by Using oxidation number concept? Also write net ionic equation and ionic equation.
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