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Determine the volume of H2S (at 375 K and 1.20 atm) needed to produce 55.0 g of S. Assume that there is excess SO2 present.
2 H2S(g) + SO2(g) ? 3 S(s) + 2 H2O(g)
A gas cylinder contains only the gases radon, nitrogen, and helium. The radon has a pressure of 222 torr while the nitrogen has a pressure of 446 torr. If the total pressure inside the cylinder is 771 torr, what is the pressure that is due to the ..
What is the pH at the equivalence point? what is the pH at the 10.0 mL base added? what is the pH at the 30.0 mL base added?
Balance and complete these reactions. Also write reaction type (combination, decomposition, single replacement, double replacement) a. Cu+ HNO3 ---> b.Cu(NO3)2 + NaOH ---> c. Cu(OH)2 (heat)---> d. CuO +H2SO4---> e. Zn + CuSO4 ---> f. Zn + H2SO4 --..
How to convert the moles of KHP to moles of NaOH, using the equation HKC8H4O4 + NaOH = NaKC8H4O4 + H2O. If the moles of KHP are .002506 mol.
What is the concentration of [Cl?] in a solution of 10 mL of 12 M HCl when 6 mL of water is added
A glass vessel fitted with an on/off value has a mass of 337.428g when evacuated. When filled with Ar, it has a mass of 339.712g. When evacuated and refilled with a mixture of Ne and Ar, under the same conditions of temperature and pressure
The absorption spectrum of the complex ion [Rh(NH3)6]3+ has maximum absorbance at 295 nm. Calculate the crystal field splitting energy (in kJ/mol) for this ion.
Calculate the standard reaction enthalpy for the formation of boron trifluoride, which is widely used in the chemical industry:B2O3(s) + 3CaF2(s) > 2BF3(g) + 3CaO(s).
a rectangular block of plastic measuring 1.34 cm by 2.27 cm by 1.39 cm floats in the middle of the pacific ocean. the
What is the maximum number of electrons in an atom whose highest-energy electrons have the principal quantum number n=5
Ignoring any side reactions and assuming the reaction occurs completely, how large (in kg) an oxygen candle (KClO3) would be needed to supply 8 people with enough oxygen for 24 hours on a small submarine?
in the following experiment a coffee-cup calorimeter containing 100 of is used. the initial temperature of the
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