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At certain temperature 2NO2 (g)= N2O4 (gas) 0.369 moles of N2O4 (gas) are introduced into a 17.40 liter vessel, and, when the reaction reaches chemical equilibrium, exactly one third of the N2O4 (g
Blend will comprise of 100 pounds with the selling price of $4.7 per pound. Determine amount of Ceylon tea which is needed and amount of Assam which is needed in this new blend.
What will happen to the experimental percent water? Explain answer. If heating a sample CoSO4*6H2O and this reaction occurs along with dehydrations.
Qualitatively describe the difference in average force the vaulter experiences from the two various landing pads. That is, which landing pad would apply the least force on the vaulter and explain wh
Calculate the final temperature of the combined metals? Suppose that no heat is lost to the surroundings. Where the specific heat of Au is 0.129 J/g C and for FE, it is 0.444 J/g C.
Determine the relative average deviation of the two trials. Should the student run another trial if in the first trial of part A of the procedure, the ratio of moles H20/moles CASO4 is found to be 1
A surface fully surrounds a 2.0 x 10-6 C charge. Determine the electric flux through this surface when it is: (i) a sphere of radius 0.50 m; (ii) a sphere of radius 0.22m; and (iii) a cube with edg
Aromatic spice the aromatic hydrocarbon cymene, C10H14 is found in nearly 100 spices and fragrances including anise, coriander and the thyme.
A rectangular surface (0.21 m x 0.38 m) is oriented in the uniform electric field of 570 N/C. Determine the maximum possible electric flux via the surface?
A piece which is having 25.40 g of iron and a 22.70 g piece of gold at the 100.0 degree C were dropped into the 1000.0 mL of water at 17.35 degree C.
The candy distributor requires to mix the 30% fat-content chocolate with the 50% fat-content chocolate to create 100 kilograms of 30% fat-content chocolate.
The ground-state electron configuration of Mo, Cr and Ag are exceptions to the Aufbau principle. Calculate the electron configuration for Mo?
A tungsten of 0.100 mm diameter filament in a light bulb is to encompass a resistance of 0.200 ohms at 20 degrees C. The resistivity of tungsten is 5.6 x10-8 ohms * m. Determine how long must it be?
Determine the wavelength associated with a 20Ne+ ion moving at a velocity of 2.0 x 105 m/s. The atomic mass of Ne-20 is 19.992 amu.
A piece of chromium metal with a mass of 24.26 g is heated in boiling water to 98.3 degrees Celsius and then dropped into a coffee-cup calorimeter which is having the 82.3 g of water at 2
Two loudspeakers produce sound waves all along the x-axis. The sound consists of maximum intensity if the speakers are 20 apart. The sound intensity reduces as the distance among the speakers is rai
She stayed in City B 10 hours, and on the trip back averaged 40 mi/h. She was back home 46 hours after leaving. How many miles is City A from City B.
Moving a charge from point A, where the potential is 320 , to point B, where the potential is 150 , takes 4.2x 10-4 of work. Determine the value of the charge?
At 22oC a sample of gas is held in a 3.00L container connected to a mercury manometer. The mercury level in the manometer is13.2 cm and the pressure of the atmosphere is 9.87 x 104 Pa higher on
If the temperature and pressure are such that Vm=10b, calculate the numerical value of the compression factor? Derive an expression for the compression factor of a gas that obeys the equation of st
Explain how far does the spring compress when the bullet becomes embedded in the block? Suppose that a spring constant of 500 N/m.
At 298K a quantity of N2 (g) is compressed adiabatically and reversibly from a volume of 20.0 L to5.0 L. Assuming ideal behavior, determine the final temperature of the N2 (g). Take C bar v = (5/2)
A particle of 3.0 kg having velocity v = (5.0 m/s) ihat - (6.0 m/s) jhat is at x = 3.0 m, y = 8.0 m. This is pulled by a 7.0 N force in the negative x direction. (i) Determine the angular momentum
Holly can run 60 yards in fifteen seconds. Jamie can run same distance in 18 seconds. If Jamie is 25 yards ahead of Holly when they both begin running, how long it takes for Holly to catch Jamie?
A toothpaste which is having 0.24 by mass sodium fluoride used to prevent the dental caries and 0.30 by mass triclosan , a preservative and ant gingivitis agent.