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A partially vacated airtight container consists of a tight-fitting lid of surface area 77 cm2 and negligible mass. When the force needed to remove the lid is 484 N and the outside atmospheric pressu
The chunk of burned wood is found in which percentage of Carbon 14 among all carbon of wood is 10% T years ago corresponding percentage was 30%. Determine T. Assume half life of Carbon 14 is 5,600 y
Calculate the function of the packing in a packed tubular distillation? Discuss is it possible to pack a column too tightly?
A proton is originally moving west at a speed of 1.02 x 106 m/s in a uniform magnetic field of magnitude 0.277 T directed vertically upward. Explain in detail the proton's trajectory, comprising its
Calculate the formula of the compound that produces when HCL is added to the salt of the alcohol and carboxylic acid after the saponification of the methyl salicylate?
Tendon forces Ta and Tb are applied on the patella. The femur applies force F on the patella. When Tb = 80 N, determine the magnitudes of Ta and F if no motion takes place at the joint? (Hint: Consi
A butterfly flies from the top of a tree in the center of the garden to rest on top of a red flower at the garden's edge. The tree is 8.0 m taller than the flower and the garden is 12 m wide. Find o
When a sample which is having 0.5632 g of containing the NaNO2 and some inert material is allowed to react with the excess HSO3NH2, the volume of N2gas formed is calculated.
A high diver of mass 50.0 kg jumps off the board 10.0 m above the water. When his downward motion is stopped 1.00 s after he enters the water, determine what average upward force did the water apply
The airplane is flying in calm conditions N 30 (degrees) E at 350 miles per hour. Unexpectedly plane encounters the wind of 60 miles per hour in direction N 70 (degrees) E. Determine actual speed a
The current in inner loop is 1A in the clockwise direction. The current in the outer loop is 2A in the counter-clockwise direction. Employ the superposition to determine the magnetic field (bo
Explicitly state the analytical interpretation of this standard deviation with respect to the calculated equilibrium constant. An analysis of a series of repeated measurements formed an equilibrium
Lions have to be in separate cages, and they may not be placed in adjacent cages. How many ways can zookeepers allot lions to cages?
An alpha particle (the nucleus of helium atom) consists of a mass of 6.64 x 10-27 kg and a charge of +2e. Determine the magnitude and direction of the electric field which will balance the gravitati
Propose a Synthetic pathway from the starting material to the product. Provide the necessary inorganic reagents. Show complete mechanism. Supply the Structure of the expected product C10H16 by
The boy is flying 2 kites at same time. He has 380 feet of line out to 1 kite and 420 feet to other. He evaluates angle between two lines to be 30 degrees. Find distance between kites.
In a cyclotron (one kind of particle accelerator), a deuteron (of atomic mass 2.00 u) reaches a final speed of 8.00% of the speed of light while moving in the circular path of radius 0.405 m. The de
Discuss why 3-nitropyridine is the major product of Electrophonic Aromatic Nitration of pyridine. Show the complete mechanism by using the reagents conc. HNO3, heat, neutralize @ Ph = 7
Your electric drill rotates initially at around 5.97 rad/s. You slide the speed control and cause the drill to experience constant angular acceleration of 0.325 rad/s^2 for 4.77 s. Determine the dri
Determine the concentrations of H30+ and OH- in a neutral solution at 50 degrees Celsius at 50 degrees Celsius the value of Kw is 5.5 x10^-14.
If a beam of white light passes via a red piece of plastic, explain why is the emerging less intense than the white light.
If the triangle has two angles of 46 degrees and 20 degrees, and side of length 65 which is adjacent to both of them, determine remaining sides and angle of triangle.
Determine the number of moles of Ag+ in 5 mL of .004 M AgNO3and the number of moles of CrO4^2- in 5 mL of .0024 M K2CrO4
A model rocket is constructed having a motor which can give a net impulse of 30.0 N x sec. The mass of rocket is around 0.164 kg. Find out the speed that this rocket accomlishes if it is launc
The Ksp for BaCrO4 is 5.1 x 10^-9. Determine the numbers of grams of BaCO3will dissolve in 100 mL of water? Differentiate among the equilibrium constant expression and Ksp for the dissolution of a spa