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Consider the chemical reaction given. The initial concentrations of CO(g) and H2O(g) 0.35 M and 0.40 M respectively (there is no CO2 or H2 initially present). At equilibrium it is found that the concentration of CO(g) is 0.19 mol/L. What is the value of the equilibrium constant for this reaction?
CO(g) + H2O(g)??CO2(g) + H2(g)
A charge of -3.0 nC is at the origin and a second charge of 13.0 nC is at x = 8.00 m. Find the magnitude and direction of the electric field halfway in between the two charges.
A person's right eye can see objects clearly only if they are between 27cm and 86cm away. What will be the near point with the lens in place
Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. Why is this, find the average force on the truck driver from the seatbelt
Of the charge Q initially on a tiny sphere, a portion q is to be transferred to a second, For what value of q/Q>0.5 will the electrostatic force between the two parts have 1/2 of the maximum possible value
The loaded cab of an elevator has a mass of 3x10^3 kg and moves 177m up the shaft in 23 s at constant speed. At what average rate does the force from cable do work on the cab.
An electric dipole is formed from +/-4.0 nC point charges spaced 3mm apart. The dipole is cantered at the origin, oriented along the y-axis. What is an electric field strength at point (x,y) = ( 6.0 cm, 0 cm)
A 0.401 kg bead can slide on a curved wire, If the wire is frictionless and the bead is released with an initial speed of 12.8 m/s in the forward direction then find the speed of the bead at B
A 10.0-cm long wire has a diameter of 0.1 mm and a resistivity of 4.0 ´ 10-7 ohm-cm, A 6.0-volt battery is connected to the resistance, What current exists in the circuit
The work function for a metal surface is 5.22 eV. What is the largest wavelength of light in nm that will produce photoelectrons from this surface
Problem on elevator
The electric potential at a certain distance from a point charge can be represented by V, What is the value of the electric potential
A playground merry-go-round of radius R = 1.60 m has a moment of inertia I = 275 kg · m2 and is rotating at 8.0 rev/min about a frictionless vertical axle. What is the new angular speed of the merry-go-round
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