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The loci coding for these traits are linked, In fruit flies, blackbody (b) is recessive to gray body (b+), purple eyes (pr) is recessive to red eyes (pr+), and vestigial wings (vg) are recessi
The thickness of the film is around 254 nm and is the minimum nonzero thickness for which constructive interference can take place. Determine the refractive index of the film?
The female progeny are then crossed with males that have black bodies, purple eyes, and vestigial wings. The interference among these genes is 0.2.
Explain what salt is produced when a solution of calcium hydroxide is neutralized by the phosphoric acid, H3PO4? Can you please give equation to the process also?
What pH would be needed to achieve maximum separation of these ions by precipitation of CaC2O4 if the solution also contains the oxalic acid H2C2O4 at a concentration of .10M?
Determine the ratio of the concentration of carbonic acid (H2CO3) to that of the bicarbonate ion (HCO3-) when the pH of a bicarbonate-carbonic acid buffer is 7.70.
How can determine the total energy of that pulse if the laser emits a burst or pulse of energy containing 5.0 x 1017 photons of this radiation?
A kinetics study was done to determine the rate law for reaction (1) by carries out trials where aqueous solutions supplying A, E and L were combined, and the time in seconds required for the disapp
From a distance of 170 m, the eagle sees them as one unresolved object and dives toward them at a speed of 16 m/s. Suppose that the eagle’s eye detects light that consists of a wavelength of 5
2.50 M NaOH is titrated with 65.0mL of 1.75M HBr. The HBr is in a beaker and the NaOH is added from the burette in an acid-base titration. Determine the solution in the beaker after: a.) 15.0mL of
The object at rest on a flat, horizontal surface explodes into two fragments, one seven times as huge as the other. The heavier fragment slides 6.50m before stopping. Determine how far does the ligh
What pH must be exceeded before Cu (OH)2 begins to precipitate? The Ksp for Cu(OH)2 is 1.6X10^-19. A student transfers 175.0mL of 0.065 M Cu(NO3)2 to a beaker and then adds aqueous NaOH solution dr
A soap film of n = 1.33 is 476 nm thick and lies on a glass plate of n = 1.52. Sunlight, whose wavelengths in vacuum expand from 380 to 750 nm, travels via the air and hits the film perpendicularly.
Determine the numbers of grams of Mg(OH)2 can be dissolved in the 800mL of an aqueous buffer of pH= 8.5. The Ksp of Mg (OH)2 = 5.6 X10^-12
An object of 2 cm is positioned 6 cm in front of a convex mirror that consists of a focal length of 5.0 cm. Determine the features of the image generated by: i) Drawing a ray diagram
The student heated a sample of the blue solution. After a short time, the solution changed from blue to green. Is the forward reaction endothermic or exothermic? Briefly explain.
When 100.0 mL of the HCI solution had been added to5.00.0 mL of 0.300 M NH3 (aq), she measured the pH of the mixture and found it was 9.54 A student does a large scale titration of NH3 (aq) (pKb =
A student wants to place an object in front of the concave mirror in order to generate 1/2 the objects size. If the focal length of the mirror is around 5 cm, determine how far from the mirror must
Determine the pH of a 0.100 molar solution of Na2CO3, which sodium salt of the one of the conjugate bases of this acid, Carbonic acid H2CO3 is a dipodic acid with ionization constant: Ka1 = 4.5 x10
If you plan to do another research about proportion of college women on diet such that margin equals to 0.06 with 99% confidence level, find sample size you require?
Let, consider as positive the direction of motion of the 5.0 kg all along the straight line object before the collision. (i) Determine the linear momentum of the object of 5.0 kg before the collision?
If the product was obtained in 64% yield, determine the numbers of grams were obtained? In a certain experiment, 4.6 g Al(s) was reacted with excess oxygen.
Hydrazine is burned in the excess fluorine gas, producing the NF3. The balanced net ionic equation is:
Determine the total mechanical energy of the block if it comes momentarily to a stop?
By using the equilibrium concentrations, determine the Keq for the formation of FeSCN2+ How to compare it to Keq literature value, and determine for their % difference?