Constant angular acceleration of centrifuge related problem
A centrifuge in the medical laboratory rotates at an angular speed of 3400 rev/min. If switched off, it rotates through 54.0 revolutions before coming to rest. Determine the constant angular acceleration of the centrifuge.
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Calculate the meaning of proportionality among the Reaction rate and the Enzyme concentration, in terms of how the enzyme reacts?
A child of 36 kg runs having a speed of 2.2 m/s tangential to a disk-shaped merry-go-round of 175 kg of radius 2.4 meters. When the Merry-go-round is spinning at 0.2 revolutions per second prior to the child jumps onto its rim, determine the final
Describe what enthalpy change, per mole of zinc, for the above reaction per mole of zinc. A sample of zinc is placed in the ice calorimeter if 0.0657g of zinc causes a decrease of 0.109 ml in the ice/water volume of the calorimeter.
The Ka for propanoic acid is 1.34 * 10-5. An unknown solution of propanoic acid (a weak monophonic acid) was pipetted (25.00 mL) into a flask and was titrated with 0.1012 MNaOH to a phenolphthalein endpoint.
Determine the entropy change when 1.00 mol of vapor in equilibrium with liquid condenses to liquid at 25oC? The enthalpy change when liquid methanol (CH3OH) vaporizes at 25oC is 38.0 kJ/mol.
The distance among the tires on the left and right sides of the car is 1.64 m, and the radius of each wheel is 0.340 m. Determine the difference among the angular speeds of the wheels on the left and right sides of the car?
Determine the heat liberated when the .200 mole of barium hydroxide reacts with the excess hydrochloric acid if OH (aq) + H(aq) -> H2O(l) ΔH= -55.9KJ
Determine the mass of gold in the sovereign in kilograms by using the fact that the number of karats = 24 (mass of gold)/(net mass).
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