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Determine the value of the equilibrium constant for the reaction.Based on the equilibrium constant values for the following reactions:
Assume you start with the pile of n stones and split the pile into n piles of one stone each by successively splitting the pile of stones into 2 smaller piles.
Determine the osmotic pressure of a solution prepared from the 13.7 g of the electrolyte HCl and 0.500 kg of water at 18 degrees C?
Determine how many moles of a solid NH4Cl must be added to 1.0liter of 2.00 NH3 in order to produce a final solution having a pH of 9.40?
Determine how many moles of solid NaOH must be added to this solution to increase the final pH to 5.75? A balanced buffer is prepared by dissolving the 1.0 mole ofNaC2H3O2 in 1.00 liter of 1.00
Determine the electronic contribution Selec to the standard to the standard molar entropy of the gas 298.15K. Compute a gas @ temperature T whose molecules have three electronic energy levels.
The concentration of acetylsalicylic acid (C9H8O4, molar mass = 180. g/mol) in your blood is found to be 2.99 x 10-4 M after you take two tablets.
Determine the pressures in each of the containers. Determine the final pressure of the system if all containers are connected together and the gases are allowed to mix.
Explain how long will it take for the reaction to be 90% complete? It takes 42.0 min for the concentration of a reactant in a first-order reaction to drop from 0.45 M to 0.32 M at 25 degrees C.&nbs
Determine how many moles of carbon dioxide gas are there in a sample collected over water if the sample volume is250.0 mL at 25°C and a total pressure of 780 mmHg?
Explain what mass of Al is required to form the 2.000 L of hydrogen at the 875 mm Hg and 15°C?Consider the reaction of Aluminum with acid.
A car of 1120 kg and truck of 4000 Kg experience a perfectly inelastic collision. Before the collision, the car was traveling south-ward at 1.55 m/s and the truck west-ward at around 8.50 m/s. Dete
A beam of light is emitted 8 cm below the surface of a liquid and hits the surface 7 cm from the point directly above the source. When net internal reflection takes place, what can you state regardi
A thin layer of oil having refractive index 1.25 is spread on the surface of water having n =1.33. When the thickness of the oil is around 200 nm then determines the wavelength of visible light in a
A concave spherical mirror makes an inverted image distinct in size from the object through a factor a > 1. The distance among object and image is d. Determine the focal length of the mirror. (Em
You are going toward the plateau 70 m high. If angle of elevation to top of plateau is 25 degrees, how far are you from base of plateau?
Determine what would be the rough size of an ‘atom’ and what would be its ionization energy? Determine at what maximum temperature would be estimated to observe such a state?
A block of 4.0 kg begins from rest on the positive x-axis 6.0m from the origin and after that consists of an acceleration given by a = 4.0i-3.0j in m/s^2. Determine the torque, relative to the origi
The coefficients of friction among A and the incline are μs = .56 and μk = .25. Angle θ is 40 degrees. Assume that the positive direction of an x axis be up the incline. In unit-vector n
The two 10 cm diameter charged disks face one other, 23 cm apart. Both disks are charged to 80 nC. Find out the electric field strength at the mid-point among the two disks? Find out the electric fi
A laser beam in the air is incident on a liquid at an angle of around 38.0 degrees with respect to the normal. The angle of laser beam in the liquid is 27.0 degrees. Find out the liquid's index of r
The population of about 100,000 bacteria in the petri dish, satisfies differential equation dP/dt = kP. Where k is population growth. Assume, two days later, that population has grown to about 150,000
Suppose the exponential distribution, the particular light bulb has the failure rate of .002 units per hour. Determine probability of failure within 400 hours? Compute reliability function?
Assume that the license plate should has the sequence of two letters followed by 4 digits, or 3 letters followed by 3 digits. Find number of different license plated can be made?
What fraction survive fewer than 880 days? what length of warranty is required so that no more than 10% of batteries will be anticipated to fail during warranty period?