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When the gases dihydrogen sulfide and oxygen react , they form the gase sulfur dioxide and water vapor. a) write the balanced equation for the reaction. b) How many grams of oxygen are required to react with 2.50 g of dihydrogen sulfide? c) How many grams of sulfur dioxide can be produced when 38.5 g of oxygen reacts? d) How many grams of oxygen are required to produce 55.8 g of water vapor?
Ethanol normally boils at 78.4C. the boiling point elevation constant for ethanol is 1.22C/m. what is the boiling point of a 1.0 m solution
The half-cell is a chamber in the voltaic cell where one half-cell is the site of an oxidation reaction and the other half-cell is the site of a reduction reaction.
A solution of sodium chloride contains 502 g NaCI in 900 grams of water. what is the concentration of the colution in parts of a million (ppm)? Round to the nearest tens place. don't forget the unit.
The beaker will fill up to the 1.00 \rm L mark with the solution. Arrange the acids in increasing order of acidity.
One brand of laundry bleach is an aqueous solution containing 4.00% sodium hypochlorite by mass.What is the molarity of this solution.
Calculate th pH of 1.00 L of a buffer of 1.00 M CH3COONa/1.00 M CH3COOH to which 0.210 mol of NaOH has been added
A 100g iron ball (specific heat= 0.473 J/g degrees celcius) is heated to 125 degrees celcius and placed in a calorimeter holding 200g of water at 25.0 degrees celcius. What will be the highest temperature reached by the water?
Potassium permanganate, KMnO4, is a powerful oxidizing agent. The products of a given redox reaction with the permanganate ion depend on the reaction conditions used. In basic solution, the following equation represents the reaction of this ion wi..
The Ksp of AgCl at 25 oC is 1.6 x 10-10. Consider a solution that is 1.0 x 10-4 M NaCl and 1.0 x 10-6 M AgNO3. 1. The solution is saturated.
A cubic meter of a gravel-and-sand aquifer has been contaminated with 20 L of tetrachloroethylene. If the amount of tetrachloroethylene dissolved in aquifer water is 20 percent of its aqueous solubility,
How much pressure is caused by 0.0201 mol of N2 and H2O in the flask under the specified conditions?
Discuss the common-ion effect by comparing the solubility of CaCO3 in 3.0 x 10^2 mL of water and in the presence of 0.015 mol of Ca(NO3)2.
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