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A reaction has a first order rate constant of 4.31x10-5 s-1 at 25oC and 0.00111 s-1 at 65oC. What is the value of the rate constant at 43oC
The rectangle shown in Figure P3.57 has sides parallel to the x and y axes. Find the perimeter of the rectangle
A catalyst decreases the activation energy of a given reaction by exactly 15 kJ/mol. By what factor does the reaction rate increase at 25oC when the catalyst is used. Assume that the Arrhenius pre-
A 6V battery is connected in series with a 1.5V flashlight. what possible terminal voltages are available
The position of a particle moving with constant acceleration is given by x(t) = 6t2 + 6t + 4, Calculate the average velocity of this particle between t = 6 seconds and t = 10 seconds
What is the value of the reaction quotient (Qc ) for the reaction below if a 2.75-L flask contains 0.0282 mol NO2(g) and 0.612 mol N2O4(g) at 25°C
A long jumper leaves the ground at 45 above the horizontal and lands 8.2 away. What is her "takeoff" speed
the displacement from hastings to kearney is 36 miles at 12* North of West. find Average Velocity from Hastings to Kearney
Chlorination via radical halogenation is a very unselective process and can lead to the formation of all three of the below products. Estimate the relative percentages of each product that will be f
One afternoon, a couple walks three-fourths of the way around a circular lake, the radius of which is 1.48 km. What is the magnitude of the couple's displacement
Billy is running on level ground with a speed of 3.5 m/s. He attempts to jump a ditch that is 1.5 meters wide. determine the minimum vertical component of velocity when he jumps
A car races at a constant speed of 25 m/s around a circular track with a radius of 150 meters. what is the displacement between the starting and ending points
How strong is the electric field between the plates of a 0.70 microF air-gap capacitor if they are 3.0mm apart and each has a charge of 77 microcoloumbs
A 9000pF capacitor holds plus and minus charges of 1.35×10?7C . What is the voltage across the capacitor
You have a wire of length L = 1.9 m for making a square coil of a dc motor. Find the maximum torque exerted on the coil
atom X moves to the right at .99c and atom Y moves to the left at .99c according to an observer
Equipotential surface A has a potential of 5650 V, while equipotential surface B has a potential of 7850 V. How much work is done by the outside force in moving the particle from A to B
What is the net force on an object with a force of 0.99N at a 25 degree angle, force of 1.03N at a 195 degree angle
On vacation, your 1100 kg car pulls a 540 kg trailer away from a stop light with an acceleration of 2.10 m/s2. What is the net force acting on the car
A drag racer crosses the finish line doing 216 mi/h and promptly deploys her drag chute, What force must the drag chute exert on the 850 kg car to slow it to 45.2 mi/h in a distance of 161 m
Driving home from school one day you spot a ball rolling out into the street. You brake for 1.10 s, How far did you travel while braking
You measure an electric field of 1.26×106 N/C at a distance of 0.149 m. from a point charge. find the magnitude of the charge
A pilot flying from Honolulu to California flies at an airspeed of 300.0 m/s ("airspeed" - airplane's speed through the surrounding air) with her airplane pointed 67.0 degrees to the east of north.