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How would you explain to a concerned consumer what food irradiation is, and its benefits? What negative effect is there regarding food irradiation?
What stance do you take on the topic?
electrolysis of molten nacl in a downs cell is the major isolation step in the production of sodium metal. suppose 250.
A buffer is made by mixing 5.0 mL of 4.0 M NH3 (aq) with 15mL of 2.4 M NH4Cl(aq). What is the pH of the buffer at 25 degrees Celcius, if the base ionization constant of ammonia is 1.8*10^-5 and the ion product of water is 1.0*10^-14 at this temper..
Whereas B has been determined to be the kinetic product, C has been determined to be the thermodynamic product. Complete potential energy diagrams for the formation of B and C by sketching the energy curve for each product.
Consider the halide ions as nucleophiles. Briefly explain why F-, the strongest base among the halide ions, is the best nucleophile in polar aprotic solvents while iodide, the weakest base, is the best in protic solvents.
A 20.0-mL sample of 0.200 M HBr solution is titrated with 0.200 M NaOH solution. Calculate the pH of the solution after the following volumes of base have been added.
A gas occupies a volume of 458 mL at a pressure of 1.01 kPa and a temperature of 295 K. When the pressure is changed, the volume becomes 477 mL.
Explain how many moles of lithium nitrate are theoretically produced if we start with 3.4 moles of Ca(NO3)2 and 2.4 moles of Li3PO4. Reaction: 3Ca(NO3)2 + 2Li3PO4 --> 6LiNO3 + Ca3(PO4)2
Elemental analysis of a 3.52 mg sample of unknown hydrocarbon shows that it contains 3.01406 mg of carbon. If the molecular formula is C7Hx, what is the value of x
Calculating the rate of disappearance of HCl, The rate of disappearance of HCl was measured for the following reaction
The number of moles of C8H4O4^-2 at the equalalence point, and the total volume at that point to calculate the ph for each sample at the equivalence point. What equations should be using
if the thermometer is position too high in the distillation adapter how would this affect your boiling point
Nitrosyl bromide, \rm NOBr, is formed in the reaction of nitric oxide, \rm NO, with bromine, \rm Br_2: \rm 2NO(g)+Br_2(g)\rightleftharpoons 2 NOBr(g) The reaction rapidly establishes equilibrium when the reactants are mixed.
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