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A sanding disk with rotational inertia 8.7 x 10-3 kg·m2 is attached to an electric drill whose motor delivers a torque of magnitude 34 N·m about the central axis of the disk. About that axis and with torque applied for 40 ms, what is the magnitude of the (a) angular momentum and (b) angular velocity of the disk?
Vapor pressure of water at 25 deg C is 24 mmHG and that of pure methanol is 120 mmHG. What is the vapor pressure above the solution of methanol and water at 25 deg C. What is the mole fraction of methanol in the vapor above this solution
Explain the regulatory process of glycolysis.Explain the regulatory process of glycolysis.
The following data have been obtained for oxygen gas at 273.15K. Calculate the best value of the gas constant R from them and the best value of the molar mass of O2. The problem gives 3 values for pressure and 3 values for volume.
The kinetic-molecular theory states that all particles of matter are always in motion.
When making a plot with the Claussius Clapeyron equation, the enthalpy of vaporization can be calculated from the slope of the line of lnP vs 1/T.
Chemistry Concentrations, In each of the following pairs, indicate which has the higher concentration of Cl- ion
1. calculate the four values of ph poh h and oh- for a 0.100 m of hcl.2. calculate the four values of ph poh h and oh-
Compound hex-2-ene is hydrated at a particular temperature as well as pressure to form compound B. B was then exposed to acidified permanganate solution, as well as substance C was formed with a smell similar to acetone.
One mole of water vapor is expanded reversibly from 5L to 15L at a temperature of 800K. Calculate q, w, deltaE for this process assuming that water behaves as a van der Waals gas,
Explain why butyl alcohol and isopropyl iodide are not formed in the reaction. Write a suitable mechanism for the cleavage of butyl isopropyl ether with HI at 100 degrees C to form exclusively isopropyl alcohol and 1- iodobutane.
Consider the titration of a 24.3mL sample of 0.120M RbOH with 0.110M HCl. Determine each of the following.
A voltaic cell is constructed by immersing a strip of silver metal in a 1.0M AgNO3 solution and a strip of Cadmium metal in a 1.0M Cd(NO)3 solution. the circuit is completed by a wire and a salt bridge in the usual way.
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