How many grams of dry nh4cl need to be added
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.100 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 9.00? kb for ammonia is 1.8*10^-5.
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Of the five management functions, which do you expect will experience the most dramatic changes in the next decade? Defend your answer. Which will have the least amount of change? Explain your answer. Respond substantively to two other learners.
A sample of gas is confined to a cylinder housed with a movable piston. The gas occupies a volume of 1.8 L at 1.8 atm and 25°C. Calculate the volume of the gas sample if the pressure is increased to 8.6 atm at constant temperature.
Octane has a density of 0.692 g/mL at 20 degrees celcius. How many grams of O2 are required to burn 1.50 gal of C8H18?
The to side of the wall are maintained at constant temperature of T1= 120 c and T2= 50c respectively. determine the variation of temperature within the wall and the value of temperature at x=0.1m
A mixture of 82.49 g of aluminum ( Picture = 26.98 g/mol) and 117.65 g of oxygen ( Picture = 32.00 g/mol) is allowed to react. Identify the limiting reactant and determine the mass of the excess reactant present in the vessel when the reaction is
If 60 of heat is added to an aluminum can with a mass of 17.7 , what is its temperature change? Specific heat capacity of aluminum is 0.903
Managing conflict is a tremendous challenge/opportunity for a manager. As one of three Executive Vice Presidents (and the youngest), today’s weekly senior staff meeting, which you’re in charge of, was going well,
Assume that the kinetic energy of a 1500 kg car moving at 150 km/h could be converted entirely into heat. What amount of water could be heated from 22 C to 48 C by the car's energy?
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Medical advances in the care of premature infants now allow babies who are born extremely premature (as early as 24 weeks gestation) to survive.
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