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If 38.6 grams of hydrogen sulfide gas (H2S; MM = 34.08 g/mol) react with 36.3 grams of oxygen gas (O2, MM = 32.00 g/mol), what is the mass of sulfur dioxide (SO2, MM = 64.06 g/mol) gas produced?
2H2S(g) + 3O2(g) --> 2SO2(g) + 2H2O(g)
Write the structure for the organic reagents and products, name the products and indicate stereochemistry when appropriate
When 3.41 g of P4 is burned, 86.1 kJ of thermal energy is evolved at constant pressure. What is the molar enthalpy of combustion of P4?
There are three possible arrangements of atoms and nonbonding pairs of electrons for the AB3N2 geometry. assuming that the effects of the relative strengths of different type of electron repulsions given in the background information
what is the oxidation number of the specified element in each compound or polyatomic ion: a)C in ZnCO3 b)Fe i Fe(NO3)2 c)Cl in ClF4^- d)S in S2O3^2-
"Discuss in detail, one way in which atomic nuclear decay takes place. What is the significance of atomic nuclear decay? Analyze the societal implications of using this process".
How many joules of energy are needed to melt 54 grams of ice at its melting point? Assume that the molar heat of fusion of ice is 6 kJ/mol.
Of the list below, which of the following compunds will have the lowest boiling point and which of the compound will have the highest boiling point?
The conversion of sulfur dioxide into sulfur trioxide with oxygen gas must be closely monitored during the manufacture of sulfuric acid. The Kc = 1.7 x 104 at exactly 600K. If PSO3 = 300atm and PO2 = 100atm, calculate PSO2 and Kp.
A student starts with 55.0701 grams of iron (lll) nitrate nonahydrate, Fe(NO3)^3 * 9 H20 and dissolves this in 250 mL of water. This solution is diluted to the mark on a 500 mL volumetric flask.
How many grams of dry NH_4Cl need to be added to 2.10 L of a 0.700 M solution of ammonia, NH_3, to prepare a buffer solution that has a pH of 8.79? K_b for ammonia is 1.8 times 10^{-5}.
As a technician in a large pharmaceutical research firm, you need to produce 450. of 1.00 potassium phosphate buffer solution of = 7.38. The of is 7.21. You have the following supplies: 2.00 of 1.00 stock solution
what determines the order in which the component elements of binary compounds are written?
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