How many moles of oxygen are formed
7.17-g sample of potassium chlorate was decomposed according to the following equation:
2KClO3-> 2KCl + 3O2
How many moles of oxygen are formed.
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At 850 K, the value of equilibrium constant Kp for the ammonia synthesis reaction is .2650. If a vessel contains an initial reaction mixture in which [N2]= 0.0200 M, [H2]= 0.0250 M, and [N2H2]= 0.000250 M, what will [N2H2] be when equilibrium is r
What is the molar solubility of silver cyanide in 0.075M NaCN? Ksp of NaCN is 1.2x10-16.
the total volume of seawater is 1.5*10^21L. Assume that seawater contain 3.1 percent sodium chloride by mass and water and that its density is 1.03 g/mL. Calculate the total mass of sodium chloride in kilograms and in tons.
A 1.248-g sample of limestone rock is pulverized and then treated with 30.00 mL of 1.035 M HCI solution. the excess acid then requires 11.56 mL of 1.010 M NaOH for neutralization. calculate the percent by mass of calcium carbonate in the rock, ass
The wall of a refigerator is constructed of fiberglass insulation (K=0.035W/moC) sandwiched between two layers of 1mm thick sheet metal(K=15.1W/moC).
What will the volume of the sample become if 459 mL of an ideal gas at 27 °C and 1.05 atm is cooled to 15 °C and 0.997 atm?
What is the theoretical yield of aspirin if 175 kg of salicylic acid is allowed to react with 118 kg of acetic anhydride?
If the activation energy for a given compound is found to be 42.0 kJ/mol, with a frequency factor of 8.0 × 1010 s-1, what is the rate constant for this reaction at 298 K?
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