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The equilibrium constant Kc equals .0952 for the reaction at 227C CH4OH(g) CO(g)+ 2H2(g). wHAT us the value of KP at this temperature
A uniform narrow tube 1.80m long is open at both ends. It resonates at two successive harmonics of frequencies 279Hz, What is the speed of sound in the gas in the tube
Estimate the molar heat of vaporization for a liquid whose vapor pressure doubles when the temperature is raised from 77 °C to 88 °C
A 100-tesla magnetic field exerts a force of 20N on a 1-meter length of wire with a cross-sectional area of 0.001m^2. Calculate the current induced in the wire
The rate of the reaction of nitrogen monoxide with oxygen was measured at 25 degrees C. starting with various initial concentrations of reactants NO and O2.
An 8.3kg crate is pulled 4.9m up a 30? incline by a rope angled 19? above the incline. What is the increase in thermal energy of the crate and incline
When a battery is connected to the plates of a 2.00-µF capacitor, it stores a charge of 30.0 µC. What is the voltage of the battery
After 79.0 min, 35.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics
The liquid contains 42.5 mole% benzene and the vapor contains 73.5 mole% benzene. -Calculate the heating requirement for this process in kW. -Using Raoult's law determine whether or not the given be
1.50-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 5.60sin(2?t), FIND THE AMPLITUDE OF THE MOTION
Nichrome wire is used in some radiative heaters. What power will it draw when first switched on
calculate the amount of heat requred to raise the temperature of 100.00 g of Mercury at 0.0000 c to 2.0000 c. repeat for 99.000 c to 101.000 c
First-order Bragg diffraction is observed at 23.0 degrees relative to the crystal surface, with spacing between atoms of 0.26nm, At what angle will second order be observed
A 45.0-g object connected to a spring with a force constant of 30.0 N/m oscillates with an amplitude of 4.00 cm on a frictionless, horizontal surface. calculate the total energy of the system
Thus the pressure of the components on the left is P where as the pressure on the components on the right is P+Y. To make this clear I will write the chemical potentials as a function of the pressur
Two cars approaching each other collide and stick together after the collision. One car has a mass of 1820 kg, What was the initial velocity of the second car
A 40 kg child sits in a swing suspended with 2.5 m long rope. Use energy conservation to determine the speed the child will have at the bottom of the arc when she is let go
the reaction a->b=c is found to be a zero order. If it takes 4.3 x 10^2 secounds for an initial conventration of A to go from .50 M to .25 M, what is the rate constant for the reaction
The disk in a CD player does not rotate at a constant rate, but spins at a rate determined by a control circuit so that the linear speed of the track being read is constant, what will be its rotatio
A liquid has a change in enthalpy of vaporization of 35.0Kj/mol and a boiling point of 137c . what is the vapor pressure at 109c
A uniform stick 1.4 m long with a total mass of 300 g is pivoted at its center. With what angular speed is the stick spinning after the collision?
Derive the relationship that the effective rate constant of the reaction K is the same as (d[P]/dT)/([A][B]) takes the form k= k2 exp(-deltaG/RT) Where deltaG(these deltaG are with double dagger )is
In a downtown office building you notice each of the four sections of a rotating door has a mass of 85 kg. What is the width of each section of the door if a force of 64 N applied to the outer edgE
A block of wood (density=.50 grams/cm^3) is floating in oil (density=0.75 grams/cm^3). the mass of the wood is 1500 grams. Determine the volume of the oil displaced
Calculate the buoyant force of water on a completely submerged sample volume of 3.4 meter^3.