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Determine what focal-length eyepiece is required if your eye can resolve objects 0.10 mm apart at a distance of 25 cm?
The conversion of ketones and aldehydes to imines is an acid-catalyzed process. Discuss why this conversion is actually hindered by the presence of too much acid.
Discuss how their melting points are related to the bonding forces and the crystal structure: NaCl, Sodium chloride and Diamond, C
A box having a net surface area of 1.20 m^2 and a wall thickness of 4 cm is made of an insulating material. An electric heater of 10 W inside the box maintains the inside temperature at 15 C above t
The Cis also double bonded with the O. The compound: HOCH2CH2CH2CHCH . This compound can form a hemiacetaly by reacting with itself in the solution. Determine the structure of this hemiacetal?
By what percent should one raise the tension in a guitar string to change the speed of waves on the string from 319 m/s to 345 m/s?
Equation h=-16t^2+112t provides height of the arrow, shot upward from ground with the initial velocity of 112 ft/s, where t is time after arrow leaves ground.
Into a ballistic pendulum a 15.0 g bullet is fired at 840 m/s consisting of a 24.0 kg bag of sand. The bag rises to a height of 80 cm. The energy changed from kinetic to potential to thermal. Deter
Assume that you wish to make a uniform wire out of 1.00 g of copper. When the wire is to encompass a resistance R = 0.500, and if all of the copper is to be employed. (i) Determine the length of the
Given the following information: 3Fe(s) + 4CO2(s) > 4CO(g)+ Fe3O4(s) ΔH = 12.5 Fe2O3(s) + 3CO(s) >2Fe(s) + 3CO2(g) ΔH = -28.0kj
(i) When the solar intensity is around 1.00 kW/m2, determine the intensity on the absorbing plate? (ii) Determine the maximum magnitudes of the fields vector E and vector B?
In a string of amino acids or peptide, determine how can you find out the charge of the peptide at a specific pH? Is there a specific equation?
Use rule of thirteen to determine a molecular formula and an index of hydrogen deficiency. A substance has molecular mass of 342. Then adjust the compound to 12 carbons using oxygen.
They both reach opposite end from where they begun, turn around and and cross again at the point 18 yards from B. They are both traveling at the constant speed (unknown for each), find total length
When the capacitor breaks down for peak voltages in surplus of 7.0 x 10^2 V, determine the maximum source voltage amplitude if the circuit is operated at resonant frequency?
5.00g of glucose, C6H12O6 is dissolved in the 500.0 grams of acetic acid. Determine the new freezing point and the boiling point for the solution where the Kf acetic acid = 3.90, and the K
(i) Compute the meteorite's loss of energy (as a positive number in joules) that would have been related with the vertical impact. (ii) Deduce the energy as a multiple of the explosive energy of 1 m
Calculate the pH of a mixture of a acetic acid and sodium acetate when the ratio of (CH3COO)/(CH3COOH) is 4.0 where the Ka of the CH3OOH is 1.8 x 10^-5.
The ultimate fate of our sun is possibly to collapse to a white dwarf state after it exhausts its nuclear fuel, having approximately the mass of the sun, but the radius of the earth.
In a Young's experiment, the distance among the slits is 2 mm and the distance from the slits to the screen is 6 m. Determine the distance which the top slit should be moved up in order to generate
Also, Lionel agrees to begin 15min after Robert. If Lionel bikes at 17km/h and Robert at 14km/h, how long it will take Lionel after he begins biking to overtake Robert?
Determine the numbers of moles of sodium hypobromite, NaBrO, should be added to 1.00L of 0.200M hypobromous acid, DBrO(ka=2.5*10-9), to produce a buffer solution of pH 8.80?Suppose that no volume chan
The objective of a telescope consists of a focal length of 50 cm and the focal length of the ocular is 2 cm. Determine the angular magnification of the telescope? By using the ray diagram of (princi
Andy having mass 80 kg employs a 3 meter-long-rope to pull Bob of mass 60 kg across the floor u = 0.20 at a constant speed of 1.0 m/s. Bob signals to Andy to stop by ‘plucking’ THE rope,
At 25°C for each of the following voltaic cells, write down the balanced half-reactions, the overall balanced reactions, and determine the cell potentials.