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the thiocyanate polyatomic ion, SCN- is commonly called a pseudohalogen because it acts very much like halide ions. For example, we know that the pure halogens consist of diatomic molecules, such as CL2. thiocyanate ions form similar molecules in the following reactions 2NaSCN + 2H2SO4 + MnO2 -> (SCN)2 + 2H2o + MnSO4 + Na2SO4 1. write a conversion factor that could be used to convert between moles of NaSCN and moles of (SCN)2 2. how many moles of (SCN)2 form when 0.50 moles of NaSCN react completely 3. what is the maximum number of moles of (SCN)2 that could form in the combination of 4 moles of NaSCN and 3 moles of MnO2 4. Write a conversion factor that could be used convert between moles of sulfuric acid, H2SO4, and moles of manganese (II) sulfate, mnSO4 5. What is the minimum number of moles of H2SO4 that must react to form 1.7752 moles of manganes (II) sulfate?
A 354 gram sample of C6H12O6 has a pressure of 648 torr at 31°C. What is the volume (L) of the container?
A gas sample is connected to a closed end manometer. the difference in mercury levels in the two arms is 115mm. what is the gas pressure in torr if the atmospheric pressure is 750 torr
A 119.6ml sample of 0.110M methylamine (CH3NH2) is titrated with 0.255 M HNO3 . Calculate the pH after the addition of each of the following volumes of acid.
1. a 50 ml solution of h2so4 is titrated with 0.070 mkoh. the second equivalence point is reached when 35.5 ml ofbase
A gas mixture contains 8.10g of N2, 1.70 g of H2, and 14.70 g of CH4. what is the mole fraction of H2 in the mixture
What is the energy of a C-C bond in kJ/mole? Explain. How does this amount of energy compare?
which compound will exhibit the greatest dipole moment?a z 12-dicholoro-12-diphenyletheneb e
Part 1) What would be the specific rate constant for the reaction. Part 2) if the initial concentration of A is changed to 2.oo molar and the initial concentration of B remains the same, what would be the initial rate of reaction
a sample of pure caco3 weighing 0.2500g is dissolved in hydrochloric acid and the solution diluted to 250.0ml in a
Calculate the pressure of 4 g of nitrogen gas in a 1 L container at 20.0 ?C.
how many metric tons of 5-s coal would be needed to yield the h2so4 required to produce a 3.0-cm rainfall of ph 2.00
period of periodic table,there are atom with a negative electron affinity identify of these atoms and explain why the electron affinity is negative.?
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