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Determine the temperature, final volume, and work done by 0.5 mol of a gas(Cv = 12.47 J/K/mol and Cp = 20.8 J/K/mol) at 3 atm and 100 °C that irreversibly and adiabatically, Expands against an o
Compute the amount of energy needed to escape from the surface of the given bodies, relative to that needed to escape from the surface of Earth.
When a titration curve was acquired by titrating 25ml boric acid solution with a 1M NaOH solution, answer the following by using the information given on the curve. Determine the concentration of th
Determine the average rate of decomposition of cyclopropane during the above time intervals and explain why the average rates differ from the others?
Determine the molarity of a Ba(OH)2 solution if 24.55 mLwere needed to reach a phenolphthalein endpoint with a 0.5589gram sample of the primary standard.
Determine the magnitude of the magnetic field 2.0cm from a wire which carries a current of 1.0A? Assume that the wire is perpendicular to this page and that the current is flowing to the page. Deter
The rocket engine is then fired for 250 s while fuel is consumed at the rate of 480 kg/s. The speed of exhaust product relative to the rocket is around 3.20 km/s. i) Determine the rocket's thrust?
Determine the percent KHP (which is having 204.23 g.mol) in an unknown sample if 27.93 mL of 0.1265 M NaOH were needed to reach a phenolphthalein endpoint using a 1.4991 gram sample of unknown.
In the Bohr model of hydrogen atom the electron moves in the circular orbit of radius 0.529*10^(-10) m around the proton. Supposing the orbital angular momentum of the electron is equivalent to h/2&
Calculate the percent Al in the aluminum chloride produced and the percent the Cl in the aluminum chloride produced. A sample of aluminum (Al), weighing 1.500g, reacted totally with an excess of aq
Suppose that she makes the rectangular plot, using side of her house as one edge determine arrea of the largest plot she can construct.
Determine the DS and DH when 1 kg of Cu at 100 C is placed in the 2 kg of water at 0 C in an insulated container which is maintained at 1 atm pressure .
A space vehicle is moving at a speed of around 0.834 c with respect to the external observer. An atomic particle is projected at 0.492 c in the similar direction as the spaceship’s velocity w
Determine q, w, DU, DH and DSsys and DSsurr, DSuniv for the two expansions. Can you account for any differences between the two results?
A) A light source is flashing on and off having a frequency of 1 Hz. When you were to run really fast (state 80% of the speed of light), with your direction of motion perpendicular to the direction
Find the molecular formula of benzocaine the following data were obtained from experiments to a local anesthetic, which contains only the hydrogen, carbon, oxygen and nitrogen.
When one mole of two ideal monatomic gases, neon and helium, are separated in a partitioned container where each side of the container is having 22.4 L and the temperature of the system is 273 K, Th
A charge of uniform density (0.8nC) is distributed all along the x-axis from the origin to the point x = 10cm. Determine the electric potential (relative to zero at infinity) at a point x = 18 cm, o
Compute the wavelength of the ejected electron when a light of wavelength 2.53x10-7 m strikes a metal surface, electrons with speed of 9.45x105 m/s a ejected.
The electron consists of a kinetic energy which is 1.8 times its rest energy. Determine its speed, defined as a fraction of the speed of light?
If the wave function is given by Ψ 2=N(4x2-2)e-x^2/2 where N is the normalization constant. At what position x is the diatomic molecule least likely to be found? Discuss in detail.
Boris starts at same time as Alex does. He begins from point (4, 0) and will reach point (0, 10) after 4 seconds. When will be Alex and Boris closest together?
When the probe is launched having an initial kinetic energy of 5.0 x 10^7 J then determine the kinetic energy if it is 4.0x10^6 m from the center of Zeros?
If t1/2 for 14C is 5.73*103years, discuss how old are the scrolls when an artifact was discovered in 1947, and at the time it was undergoing 11 disintegrations per minute per gram.
Calculate the mass of magnesium chloride (95.21 g/mol) can be produced? Magnesium reacts with iron (III) chloride to form magnesium chloride and iron.