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Question: Magnesium metal reacts with hydrochloric acid to form aqueous magnesium chloride and hydrogen gas. An excess of magnesium is reacted with 20.0 mL of 3.00M and all of the hydrogen is collected in a balloon at 25C and 1 atm. What is the expected volume of the balloon?
Consider a string with length 36 cm. The two ends are attached to the ceiling, separated by distance 30.0 cm. Determine the tension in the right segment of the string
Three 1.5-V batteries, with internal resistances of 0.01ohms , 0.1ohms , and 1ohms , what is the voltage across each resistor
A particle has a de Broglie wavelength of 3.20 × 10-10 m. Then its kinetic energy doubles. What is the particle's new de Broglie wavelength
In a hydraulic lift, the maximum gauge pressure is 18.5 atm. If the diameter of the output line is 18.7 cm, what is the heaviest vehicle that can be lifted
Two children carry a lightweight 2.4m -long horizontal pole with a water bucket hanging from it. How far is the bucket from the older child
A diver springs upward from a board that is three meters above thewater. At the instant she contacts the water her speed is9.00 m/s and her body makes an angleof 75.0° with respect to thehorizontal surface of the water. Determine her initial velocity..
The bullet becomes embedded in the block. If the bullet-block system compresses the spring by a maximum of 88.0 cm, illustrate what was the speed of the bullet at impact with the block?
An LC circuit consists of a capacitor, C = 4.08 µF, and an inductor, L = 4.92 mH. The capacitor is fully charged using a battery and then connected to the inductor. How many complete damped oscillations will have occurred
a horizontal spring mass system oscillates on a frictionless table. find the maximum extension of the spring
ball rolls horizontally off the edge of a tabletop that is 1.80 m high. It strikes the floor at a point 1.32 m horizontally away from the table edge. (Neglect air resistance.) (a) How long was the ball in the air? s (b) What was its speed at the i..
On an icy (nearly frictionless) street a 600 kg car traveling straight east at 5 m/s collides with a 1000 kg car traveling straight north at 3 m/s. what is the direction of motion of the second car
A 60 kg explorer lands on Planet X, where the gravitational acceleration is 10.5 m/s2. The radius of the planet is 7.91 x 107 m. What is her weight on this planet in Newtons
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