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A sample of glucose, C6H12O6, contains 1.265 x 1021 carbon atoms.(a) How many atoms of hydrogen does it contain?
(b) How many molecules of glucose does it contain?
(c) How many moles of glucose does it contain?
(d) What is the mass of this sample in grams?
The radius of the Earth is approximately 6370 km. if one could dig down straight towards the center of the Earth, one would find that the innermost 3480 km (the core) has an average density of about 11.g/cm^3.
At 25 0C the density of a 50 % (by mass) ethanol/water solution is 0.914 g/cc. Given that the partial molar volume of water in the solution is 17.4 cc/mol.
Find the Density of a substance with a mass of 51.2g and a volume of 150mL
Borane forms complexes with sulfides and amines. Draw a suitable structure to represent the complex formed between BH3 and dimethyl sulfide
What would be the formula for the compound sample If a sample of a compound contains 1.36 mol of nitrogen atoms and 2.72 mol of oxygen atoms?
What is the difference between an amino acid and a protein? How does this difference in structure affect biological function?
Calculate the number of moles of Cl atoms in 1.20×1024 of magnesium chloride, MgCl2.
If 3.00 moles of ZnS are combined with 4.00 moles of O2 how many moles of ZnO can be produced and how many moles of the excess reactant will be left over?
strontium metal crystalizes in a cubic unit cell which has a edge length of 612 pm. If the mass of an atom of Sr is 87.62 amu, and the density of Sr is 2.54 g/cm3.
What causes the colors of these complexes? How do these colors relate to the expected positions of these ligands in the spectrochemical series?
A 2.00 liter vessel is ?lled with NH3(g) to a pressure of 4.00 atm and the reaction N2(g) + 3 H2(g) ?? 2 NH3(g) comes to equilibrium at a ?xed temperature.
Determine the concentration of a solution prepared by diluting 25.0 milliliters of a 12 molar HCl solution with H2O until the final volume is 2.50 x 10² milliliters.
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