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A merry-go-round with a mass of 250kg and a radius of 3 m as a moment of inertia formula of I=m•r2 and is rotating with an angular velocity of 20 rad/s. A man with a mass of 42 kg jumps onto the merry go round while its rotating. Momentum is conserved. Find the Angular Velocity of the man and the merry go round after he collides with it.
Which are likely to be stable at ordinary temperature and pressure?
Calculate the theoretical yield of Nylon 6,6. State the limiting Reagent. Is Hydroquinone sterically hindered
what percent of the fuel consists of the lighter isotope? Assume that the masses of the two isotopes are exactly 235 and 238 amu.
Write a balanced chemical equation showing how each of the following metal oxides is dissolved by HI:MgO
What is the PH of a 0.085M solution of ammoniun chloride. Kb for ammonia is 1.8 times, Calculate the pH fo a solution made by mixing 125ml of .200M HCl and 500 ml fo 0.0500M KOH
the 250-ml erlenmeyer flask has the mass of 78.639 grams. the mass of 250-ml erlenmeyer flask and water 327.039 grams.
For lab this week i need to separate a mixture of caffeine and Phenacetin using Acid-BAse Extraction. What reagent should i use for the separation of components by extraction of the dichloro methane layer
A: 2-methyl-1-bromohexane B: 1-bromohexane which of the above compounds will react the fastest with NaI in acetone?
A 37.7mL volume of an unknown gas is collected over water at19 degrees C and a total pressure of 770torr. The mass of the gas is 68.6 mg. Define what is the pressure of the gas
a compound with a partition coefficient kp of 0.5 betweensolvents a and b ab 0.5 is dissolved in 100 ml of a. which is
Working on some organic chemistry lab questions. We are using acetic acid and an unknown alcohol to complete a Fischer Esterification. We are instructed to reflux the reagents for an hour to push the reaction forward. My question is this " You are in..
Which of the following chemicals have the highest value 1-10 for electrical conductivity when dissolved in water and why
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