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Describe the vapor pressure of the mixture and the vapor composition? An equimolar mixture of ethylene and propylene is 50mol% vapor, 50mol% liquid at 20oC.
2 rescue vessels are pulling the broken-down motorboat toward the boathouse with forces of 840 lb and 960 lb. Angle between the forces is 24.5 degrees. Determine direction and magnitude of equilibr
Discuss at what temperature it would be 50mol% liquid, 50mol% vapor. A 50-50 (mole basis) mixture of ethylene and propylene is to be introduced into a tank that is to be kept at 5bar
i) Determine the tension in the cable? How much work is done by (ii) the tension in the cable, and (iii) the weight of person (iv) Utilize the work-energy theorem and determine the final speed of th
Find out the flow rate and the composition of the two streams when a 50% normal pentane 50% normal octane mixture flows into a chamber, flashes at 146oC and 3.6bar, and leaves as two streams, one ga
An alpha particle which is having the mass 6.6x10-24g emitted by the radium travels 3.4x107 +/- 0.1x107mi/h. Determine de Brogile wavelength of alpha particles in meters?
A uniform electric field of magnitude 405 N/C point out in the positive x-direction acts on the electron, that is primarily at rest. The electron has moved 3.10 cm. (i) Determine the work done by th
The person is chosen at random from sample. Determine probability which person selected (a) had 2 injections, (b) did not get flu, and (c) got flu and had 1 injection.
Discuss at what distance from the nucleus is the most probable point that a 2p electron will be found in the hydrogen atom? Submit the answer in units Angstroms.
Given that incident radiation of 5000A is used on a photocell containing cesium and the threshold wavelength of the photoelectric effect is 660 nm.
A cannon fires a shell at the angle of 45° above the horizontal. The shell consists of a mass of 15.7 kg, and its initial speed as it leaves the cannon is around 298 m/s.
Describe the enthalpy of reaction among sodium hydroxide (NaOH) and citric acid (H3Cit). Note that the neutralization reaction is:
Describe the radius in the Angstroms at which the electron is most likely to be found. Suppose the species has an atomic number of 2. Write down for yourself the expression for the radial distribut
The spring is primarily compressed by 45.0 cm and has negligible mass. If both blocks are released concurrently and the spring has dropped to the surface, m1 is found to encompass a speed of 2.5 m/s
Describe the concentration of h+ in solution of .001 M NAOH? What is the ph? Calculate the concentration of OH- in a solution with H+ concentration of 1.3 x 10^-5? What is the ph?
Find number of tax rtns and audits which can be done with hours (and formula for how to know this? and What is maximum revenue.
The temperature dependence of the vapor pressure of solid sulfur dioxide can be approximately represented by the relation log(p/Torr)=10.5916-1871.2(T/K) and that of liquid sulfur dioxide by log(p/
(i) Determine the magnitude of the force which the shopper applies? Find out the work done by (ii) the pushing force, and (iii) the frictional force, and (iv) the gravitational force.
Calculate to what speed must an electron be accelerated for it to have a wavelength of 3.0 cm and the same for a proton? Professor did not give example problem to help in solving this.
The rate constant for the reaction is 2.48 × 10-4s-1. Determine the half-life? Discuss how long will it take for the initial pressure of C4H8 to drop to 90% of its initial value?
A single conducting loop of wire consists of an area of 7.9 × 10-2 and a resistance of 110. Perpendicular to the plane of loop is a magnetic field of strength 0.36. Determine at what rate (in)
The following reaction is given: 2NiS2 +5O2 (arrow) 2NiO + 4SO2 When 11.2g of NiS2 react with the 5.43g of O2, 4.86g of NiO are obtained.
Assume the gun fires the bullet into air with the initial speed of 2048 ft/s at the angle of 30o to horizontal. After how many seconds will bullet hit ground?
A mixture of o-nitrophenol and p-nitrophenol can be separated by the steam distillation. The o-nitrophenol is steam volatile, and the para isomer is not volatile. Explain.
The magnetic field strength in the spectrometer is 1.1 T. Determine the minimum value of the potential difference via which these ions must be accelerated so that the separation among them, after th