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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?
A 67.3 kg sled starts at rest on a horizontal road. The coefficient of kinetic friction between the sled and the road is μk = 0.202. A man pulls the sled a distance 5.07 m along the ground by exerting a constant force of magnitude 532 N on a rope tha..
Two identical rectangular rods of metal are welded end to end witha temperature of T1 = 0o C on the left sideand a temperature of T2 = 100o Con the rightside. In 2.0 minutes, 10J is conducted at a constant rate from theright side to the left side.
A man throws a ball such that it strikes a wall of a building at the max height of its trajectory. If it takes 1.15 seconds to travel from man to the building, determine the velocity at which it was thrown, the angle, and the height of the building.
question1at a certain instant of time a toy car is travelling at a constant speed of v0 to thenbspright while a
A force of 70.0 N is exerted at an angle of 30.0 below the horizontal on a block of mass 8.00 kg that is resting on a table
Makeshift child's swing: Child's weight, magnitude of force, maximum angle, A makeshift swing is constructed by making a loop in one end of a rope and tying the other end to a tree limb.
A disk of radius R = 9 cm is pulled along a friction less surface with a force of F = 15 N by a string wrapped around the edge. At the instant when d = 28 cm of string has unwound off the disk, what is torque exerted about the center of the disk.
Three identical blocks are stacked with each extending as far aspossible over the block beneath it. Find the distance Dthat the top block overhangs the bottom block if the length of eachblock is 34.6 cm.
Resistors of values 8.0 ?, 12.0 ?, and 24.0 ? are connected in parallel across a fresh battery. Which resistor dissipates the greatest power
Two sinusoidal waves of the same frequency travel in the same direction along a string. what is the amplitude (in cm) of the resultant wave
Planet Z is 1.00x10^4 km in diameter. The free fall acceleration on Planet Z is 5.00 m/s^2. What is the free fall acceleration
A piano string having a mass per unit length equal to 5.02g/m is under a tension of 1330N. Find the speed that a wave travels on the string
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