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Discuss what velocity must a 20.0 g object be moving to possess a kinetic energy of 1.00J? Demonstrate the formula, what each number means, and how to solve?
At 440 nm the molar absorption coefficient of a solute is 423dm3mol-1cm-1. When the light of that wavelength passes through a 6.50 mm cell containing a solution of the solute, 48.3 percent of the li
A young girl having mass 40.0 kg is sliding on the horizontal, frictionless surface having an initial momentum which is due east and that consists of a magnitude of 90.0 kgm/s. Beginning at, a total
Determine the partial pressures of neon and helium after the stopcock is open. The temperature remains at a constant16°C.
Determine the de Broglie wavelength associated with a mount raveling at a velocity of 8.60×105 cm/s? The mount has arrest mass 206.8 times that of an electron.
Determine the phase difference among the Huygens wavelets arriving at point P from the top and mid-point of the slit?
Does the frequency increase or decrease if centrifugal distortion is considered? Determine the frequency and wave number of the J = 2 ← 1transition in the pure rotational spectrum of12C16O. Th
A single conducting loop of wire consists of an area of 6.3 x 10-2 m2 and a resistance of 110 O. Perpendicular to the plane of the loop is a magnetic field of strength 0.18 T. Determine at what rate
Determine the maximum non-expansion work per mole that may be obtained from a fuel cell in which the chemical reaction is the combustion of methane at 298K.
If he accelerates from a stoplight, the tassel deflects backward toward the rear of the car at an angle of 5.86 degrees relative to the vertical. i) Determine the tension in the string holding
Demonstrate a full mechanism for the racemization, with a sentence or two among each line explaining the movement of electrons when optically active 2-methyl-1-phenyl-1-butanone undergoes reaction w
When 5 drops of 0.10 M NaOH were added to 20 mL of the buffer in the previous question, the pH went from 3.39 to 3.42. Write down an ionic equation to explain why the pH did not go up much higher.
Luckily, he lands in a snow-bank, making a crater 1.1 m deep, and survives with just minor injuries. Supposing the pilot's mass is 82 kg and his terminal (that is, maximum) velocity while falling i
Determine the frequency and wavelength of the emitted photon when an electron drops from the n = 4 to the n = 2 level in the Bohr hydrogen atom.
Assuming that the container is totally full that the temperature is 28.9 degrees C, and determine the percent (by volume) of air that would be displaced if all of the liquid nitrogen evaporated when
The top of the ramp is 1.50 m higher than the surface of the water, and the ramp is inclined at the angle of 30.0° above the horizontal. The seal reaches the water having a speed of 4.90 m/s. (
It is noted that the block-spring system, if compressed 5.0 cm and released, stretches out 2.3 cm beyond the equilibrium position before stopping and turning back. Determine the coefficient of kinet
Aqueous hydrochloric acid reacts with solid lead (II) sulfide to produce dihydrogen sulfide gas and the solid lead (II) chloride? Would it be: PbS(s) = 2H2O...
Determine the function which models number of hours of daylight t days after January 1. Suppose that year has 365 days and that spring equinox, when day is 12 hours long.
By using the mirror equation and image distance of 10.7m represent if this design consists of spherical aberration (unfocused). This is a question dealing with the Hubble space telescope.
The p Kb of pyridine is 8.75. Calculate the pH of a 0.145 M solution of pyridine? Pyridine is a weak base that is used in the manufacture of pesticides and the plastic resins.
Compute the conversion energy of C to D via a one-step mechanism. The activation energy of this reaction is 3 kal/mol. The energy distinction among D and the transmission state is 7kcal/mol. Estimat
The initial temperature of both solutions was the same 18.46C. A quantity of 4.00x102 ml of 0.600MHNO3 is mixed with the 4.00x10 2 ml of0.300M Ba (OH)2 in a constant -pressure calo
Determine the final pressure of the sample, if the final volume is 3.99 L. At 0.°C and 2.40 atm pressure, a sample of carbon dioxide gas occupies a volume of 7.70 L. The sample is compressed an
Cp,m = 25.4 J/(mol·K). Cv,m = 24.3 J/(mol·K). Assume that CP and CV are constants. Cylinder A is heated at constant pressure, cylinder B at constant volume.