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A 0.130-mole quantity of NiCl2 is added to a liter of 1.20 M NH3 solution. What is the concentration of Ni2 ions at equilibrium? Assume the formation constant* of Ni(NH3)62 is 5.5 × 108.
If an automobile travels 230 mi with a gas mileage of 21.5 mi/gal, how many kilograms of CO2 are produced?
A 0.200 L sample of H2 is collected over water at a temperature of 298 K. Atmospheric pressure is 99.00 kPa. Water has a vapor pressure of 23.00 Torr at this temperature. What is the mass of the sample of gas which was collected
At 25 degrees Celsius, by what factor is the reaction rate increased by a catalyst that reduces activation energy of the reaction by 1.00 kJ/mol
The density of octane is 0.703 g/mL. What mass (in g) will a 0.996 gallon sample of octane have
Compute the a)molarity of the solution, b)molality of the solution, c) mole fraction of Ammonia.
When 1.0 g of gasoline burns, 11500 calories of energy are given off. If the density of gasoline is 0.74 g/mL, how many kilocalories of energy are obtained from 1.1 gallons of gasoline?
what mass of water must be removed from the air each time the volume of air in the room is cycled through the air conditioner? The vapor pressure from water at 30 C is 31.8 torr.
Calculate the average molar bond enthalpy of the carbon-chlorine
The temperature of the solution in the calorimeter rose from 24.7 degrees celsius to 36.17 degrees celsius. What is the DeltaH per mole for the reaction
Rank the enthalpy of solution from most exothermic to most endothermic. To rank items as equivalent, overlap them.
Compute the pH of the titration solution before any acid is added, when the titration is 1.00 mL short of the equivalence point, when the titration is at the equivalence point, and when the titration is 1.00 mL past the equivalence point.
with 0.1000M NaOH solution. if 22.00ml of the NaOH solution were required to neutralize completely 10.00ml of the malonic acid solution, what is the molarity of the malonic acid solution
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