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Determine the numbers of amino acid residues are there in the phycobiliproteins if the average molar mass of amino acids is 106.7g/mol, and the molar mass of phycobiliproteins is 17073 g/mo
If a stone of 62 N is joined to a spring scale and is submerged in water, the spring scale reads 41 N. Determine the density of the stone?
They pass each other in thirty minutes, and Brittani, headed for point B, arrives there in another twenty minutes. Find time at which after brittani arrives at point B will Lea arrive at Point A?
Determine the density in grams per cubic centimeter of VO and SrO. The ionic radii are V^(2+)=.065nm, Sr^(2+)=.127nm,O^(2-)=.132nm.
A window washer is standing on the scaffold supported by a vertical rope at each end. The scaffold weighs 194 N and is 2.8 m long. Determine the tension in each rope if the worker of 702 N stands 1
When you check MSDS for Lye, it says to flush with water for 10 minutes. Lye, when mixed with water, creates a large amount of heat. In the lab, we have used a 50/50 mixture of water and vinegar to
In Jules vernes from the earth to the moon, scientists are launched from the earth through a cannon. With what speed would their capsule have to leave the cannon is their ultimate speed is zero at t
Find out the number atoms per cell when the silver metal is found to have a cubic unit cell. The edge length of the unit cell is 408 pm and the density of silver is 10.5g/cm3.
What will be the absorbance of a 0.075 M solution if an aqueous solution of Co (NO3 )2 has a molar absorptive of 5.10 L/mol.cm at 505 nm.
When the refracted ray emerges at the point P where the sphere intercepts the optical axis, determine the refractive index of the sphere?
Write down a balanced equation for the reduction of nitrophthalhydrazide to amino phthalhydrazide using the sodium hydrosulfite, which is oxidized to bi sulfite.
The window washer accidentally drops the bucket from top of 64-foot building. Height (h) of bucket after t seconds is provided by given formula: h=-16t^2+64. How long will it take for bucket to hit
A constant tangential force of 290 N exerted to its edge causes the wheel to encompass an angular acceleration of 1.094 rad/s2. (i) Determine the moment of inertia of the wheel?
Discuss what fraction of the initial number of the C-11atoms in a sample will remain after 81 minutes? Carbon-11 is a radioactive isotope of carbon. Its half-life is 20.3 minutes.
Synthesis of a Hetero cycle: Write down a detail mechanism for the formation of acid catalyzed hydrolysis of methyl benzoate (Esterification) and 2,3-dimethylquinoxaline.
In the small rowboat, it took Alice six hours to go six miles upstream, but she was able to return to the starting point in only 45 minutes. Suppose the rowing speed was constant, find the speed of
How can determine the numbers of mg of polonium from an original sample of the 2.0mg will remain after the 8.0 years when the Po-208 is an alpha emitter with a half-life of 2.90years.
As the man reaches the horizontal section, he grabs a 20 kg back-pack and skis off a 2.0 m high ledge. Determine at what horizontal distance from the edge of the ledge does the man land?
Determine the pH that will precipitate out the X^3+leaving the Z^3+ in the solution? Determine the pH that will precipitate out the Z^3+ leaving the X^3+ in the solution?
Find out the speed of the block at the bottom of the incline and the maximum compressing distance of the spring from symmetry.
Identify the equilibrium concentration of the Pb+2 when PbSO4 is placed in the water. By using the chemical equation explain will the solubility of PbSO4 increase or decrease if the pH
This signifies that the glasses will take an object positioned at the healthy near point and form an image at the near point of the person with the eye defect. In cm, determine the near point of thi
Calculate the sign of the entropy of vaporization (DSvap)? (+ or -) Calculate the approximate ratio of DHvap to DSvap, given that the normal boiling temperature of water is 100oC?
Maria can run around complete track in 40 seconds. She meets Jan every fifteen seconds. How long it takes Jan to run around entire track?