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Question: An aqueous solution containing barium iodide (BaI2) is electrolyzed in a cell containing inert electrodes. The products at the anode and cathode are:
a) Ba (anode), I2 (cathode)
b) Ba (cathode), O2 (anode)
c) H2 (anode), O2 (cathode)
d) H2 (cathode), I2 (anode)
A pitcher throws a fastball horizontally at a speed of 150 km/h toward home plate, 18.4m away. If the batters combined reaction and swing times total 0.37s, how long can batter watch the ball after it has left the pitcher's hand before swinging? In t..
0.700-kg ball traveling horizontally on a frictionless surface approaches a very massive stone at 20.0 m/s perpendicular to wall, What is the magnitude of the change in momentum of the stone
The active element of a certain laser is an ordinary glass rod 19.5 cm long and 1.37 cm in diameter. Calculate its increase in volume
A hiker starts at his camp and moves the following distances while exploring his surroundings: 80.0 m north, 2.20 102 m east, Find his resultant displacement from camp
A wrench 0.3 meters long lies along the positive y-axis, and grips a bolt at the origin. A force is applied in the direction of langle 0, 1, 2rangle at the end of the wrench. Find out the magnitude of the force in newtons needed to give 100 newton..
A particle with a mass of 3.65×10?24 kg and a charge of 6.40×10?19 C starts at rest and is accelerated for a distance of 0.104 m through a uniform electric field having strength E = 7.25×104 N/C
Suppose a planet is discovered orbiting a distant star with 11 times the mass of the Earth and 1/11 its radius. How does the escape speed on this planet compare with that of the Earth
A 7 kg, 22 cm diameter turntable rotates at 500 rpm on frictionless bearings. What is the turntable's angular velocity
An ice cube sliding along the ground at 3 m/s goes off a ramp pointed straight up. What is the speed of the ice cube when it comes down, just before it hits the ground
A pot of water is boiling under one atmosphere of pressure. Assume that heat enters the pot only through its bottom, What is the temperature of the heating element in contact with the pot
By measuring the spectrum of wavelengths of light from our sun, we know that its surface temperature is 5820 K. calculate the diameter of our sun
A car traveling at a constant speed of 27.0 m/s passes a trooper hidden behind a billboard. From the intersection of the two curves, read the time at which the trooper overtakes the car
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