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Problem- The concentration of a biomolecule inside a rod-shaped prokaryotic cell is 0.0053 M. Calculate the number of molecules inside the cell, which is 2.9um long and 1.4um in diameter.
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Ethylene glycol, C2H6O2, is widely used as an automotive antifreeze. What is the minimum weight, in grams, of this compound that must be added to 10 kg of water to produce a solution that will protect an automobile cooling system from freezing at ..
Phosphoric acid can be prepared by reaction of sulfuric acid with "phosphate rock" according to the equation: Ca3(PO4)2+3H2SO4 ---> 3CaSO4 + 2H3PO4 What is the molar mass of Ca3(PO4)2?
Problem- Draw the structure of the major organic product you would expect from the reaction of 1-bromopropane with NaI.
Splitting patterns and integrations may be used more than once, or not at all, as needed. Likewise, some bins might remain blank. Note that peak heights are arbitrary and do not indicate proton integrations.
The energy levels the electron can occupy in the Be3+ ion can be calculated using the energy level equation. Calculate the energy in J of the electron when it is in the n= 4.00 level.
The major reason that antiparallel beta-stranded protein structures are more stable than parallel beta-stranded structures is that
A CONTAINER HOLDS 7.62L OF N2O(g) at 4.06atm in equilibrium at 25C with 5.82L of an aqueous solution of N2O(aq).
Pyruvic acid, HC3H3O3, is involved in cell metabolism. It can be assayed for (that is, the amount of it determined) by using a yeast enzyme. The enzyme makes the following reaction go to completion.
The nitrate ion (NO3-) is a very poor nucleophile. In fact, solvents such as water or methanol (also weak nucleophiles) are more reactive nucleophiles than the nitrate ion
Preliminary with 2-methylpropene (isobutylene) and using any other needed reagents, State a synthesis of each of the following:
What was the calculated PH value obtained for the reaction NH3 + HCl -› NH4Cl using the thermodynamic data NaOH (aq) + HCl (aq)--> H2O(l) +NaCl (aq) NaOH (aq) + NH4Cl(aq)---> NH3 + NaCl + H2O(l) NH4Cl 2M 20ml NH4OH 2M 10ml HCL 2M 20ml NaOH 2M 20ml
The heat of combustion of naphthalene (C10H8) is - 5157 kJ/mol. Using these data and data in Appendix C, calculate the heat of hydrogenation of naphthalene.
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