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Ammonia is produced by reacting nitrogen gas and hydrogen gas. N2(g) + 3H2(g)<> 2NH3(g) + 92kJ. for each of the following changes at equilibrium, indicate whether the equilibrium shifts toward
An exoplanet of mass 7.4e26 kg orbits its parent star at an angle of inclination of 28.9 degrees. determine the period of the exoplanet in days
What is the effect on Kc when the temperature of an exothermic reaction is lowered. according to le chatelier's principle how is equilibrium in part a reached
An object 2.00 cm high is placed 41.0 cm to the left of a converging lens with a focal length of 30.0 cm, Determine the magnification of the final image
Metal sphere 1 has a positive charge of 8.00nC . Metal sphere 2, which is twice the diameter of sphere 1, What are the final charges on each sphere
An equilibrium mixture at 225 degrees C contains .14 M NH3 and .18 M H2 for the reaction 3H2(g)+N2(g)<>2NH3(g). if the Kc at this temperature is 1.7 X 10^2 what is [N2]
A player kicks a ball from ground level with an initial velocity of 27.00 m/s at 30 degrees above the horizontal. What is the ball's range to one decimal place
the equilibrium constant, Kc, for this reaction is 4.6 x 10^-3. N2O4(g)<>2NO2(g). if the equilibrium mixture contains .050 M NO2 what is[N2O4]
An east-west electric power line carries a 500-A{\rm A} current toward the east. Determine the direction of this magnetic field at Earth's surface directly under the wire
A 0.50-?F and a 1.4-?F capacitor (C1 and C2, respectively) are connected in series to a 14-V battery. Calculate the charge on each capasitor assuming the two capacitors are in parallel
want to synthesize 3-methyl-2-pentene from 2-chloro-3-methylpentane. Which reagent would you use
There are two capacitors of capacitance 5.0uF and 8.0uF are connected in series. Find the equivalent capacitance of the network and the charge on each plate of the capacitors
When using the Cahn-Ingold-Prelog rules for prioritizing groups on a stereogenic carbon, priority is first assigned on the basis of
A "sun yacht" is a spacecraft with a large sail that is pushed by sunlight. Although such a push is tiny in everyday circumstances, What is the magnitude of the resulting acceleration, If the craft s
A group of people with total mass 1500 kg stands in a boat with mass 12,000 kg at rest in frictionless water. If the whole group walks 6.5 m from bow to stern, how much does the boat move in meters
A 9.0-kg box of oranges slides from rest down a frictionless incline from a height of 5.0 m, What is the coefficient of kinetic friction, µk, of the surface from A to B
What is the total number of compounds, stereoisomers included, designated by the general name dichlorocyclopentane
A construction worker accidentally drops a brick from a high scaffold. What is the velocity of the brick after 4.0 s
For phenylanaline can be modeled as particle on a ring. Calculate the probability of finding electrons in one half of the ring from the ground state
A 21.5 µF spherical capacitor is composed of two metallic spheres, one having a radius twice as large as the other, determine the volume of this region
For phenylanaline can be modeled as particle on a ring. Calculate the wavelength of the transition from ground state to the first excited state.
The half life of a first order reaction is 13 min. If the initial concentration of reactant is 0.085 M, what is its concentration after 8.2 minutes.
Given the initial rate data for the decomposition reaction, A = B + C, determine the rate expression for the reaction [A],M = .0625, 0939, .125; -changeA/changet M/s = 5.44 *10^-7, 8.16 * 10^-7, 1.0
Find the potential on the axis of a charged ring carrying some charge density (lamda) uniformly distributed around it
The equilibrium constant for the interconversion of PCl5 and PCl3 is 0.0121: PCl5 = PCl3+Cl2. A vessel is charged with 0.123 mol PCl5. At equilibrium what is the concentration of PCl3