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Explain to what every level does the electron move if the electron in a ground-state H atom absorbs a photon which is having the wavelength 97.20 nm.
A light bulb of 0.4 watts is designed so that it works with 2 volts via its terminals. A resistance R is positioned in parallel with the light bulb, and the combination is joined in series having a
Police often monitor traffic with the "K-band" radar guns, which operate in the microwave region at the 22.234 GHz (1 GHz =109 Hz).
A circular loop having wire, 2.0 cm in radius, carries a 3.5 A current in a 0.05 T magnetic field. Determine the maximum torque possible from this current loop if it is permitted to rotate freely? (
Determine the percent of calcium oxalate in a sample if which is having 25.0 mL of 0.1000 M potassium permanganate is needed to react with the 2.000 g of sample.
Explain what are all the possible products and the expected mole percent of each when the Monochloronation of 2,5-dimethylhexane yields a product with the formula C8H17Cl.
Suppose you have a 0.5M solution of dichloroacetic acid. Assuming a case Scenario, where H3O+ from water is neglected, determine the relative uncertainty, as a percentage, in the pH using the s
If the substance was a monophonic acid, what must be Kb for its conjugate base when a 0.0150 M solution of an unknown acid was diluted from the 10.0mL to 250.0mL? The pH of this diluted solution wa
Employ the Heisenberg uncertainty principle to determine the lowest possible momentum for the particle and compute the lowest possible energy for this particle in eV. Determine de Broglie’s wa
Initially at 373 K it undergoes JT expansion from the 100atm to 1 atm. Given that CP is 5/2R and the Joule Thompson Coefficient is 0.21 K/atm and that these are constant over the temperature range i
Sketch Boolean circuit that represents function in disjunctive normal form; it must match expression you gave in (a). Utilize the Karnaugh map to misimize function.
the work done by the pull on the crate from the rope? (v) Knowing that the crate is motionless before and after its displacement, utilize the answers to (ii), (iii) and (iv) to determine the work yo
Lithium chloride (LiCl) and Potassium bromide (KBr) each exhibit the rock salt (cubic, C.N. =6) lattice structure, yet KBr is much less soluble in the water than LiCl.
Determine how must the number of observable interference fringes change as the distance among the two slits increases? Suppose that the slit width remains unchanged.
A convex mirror consists of a radius of curvature of 40cm. Determine the position of the resultant image when the image is upright and four times smaller than the object?
A sample of an alloy which is having 30.5 g at the 94.4°C is placed into the 48.8 g water at 22.2°C in an insulated coffee cup with a heat capacity of 9.2 J/K. If the final temperature of t
The wheel in a demonstration gyroscope consists of a radius of 5.7 cm. The string wrapped around the wheel consists of a net length of 0.81 m. To pull of the string, the demonstrator's hand accelera
Explain why the calcium hydroxide is not soluble in water, but is readily soluble in an acidic solution? Include a chemical equation that accounts for this solubility.
A block of iron and a block of aluminum, both having the same mass, are removed from a freezer and placed outside on a warm day. Which block will be warmer when the same quantity of heat has flowed
A rock dropped into a pond generates a wave that takes 10.4 s to reach the opposite shore, 29.4 m away. The distance among consecutive crests of the wave is around 3.5 m. Determine the frequency of
Illustrate steps which will be implemented by binary search algorithm to determine value 44 in the following list. Explicitly illustrate every comparison and restricted list which is searched.
Find out the velocity of singly charged particles which will be undeflected by traveling in the +x direction via a velocity choosing apparatus with and electric field of strength 12000 V/m directed
A mass of around120 kg is blown apart into one piece of 80 kg and a 40 kg piece. After the blast, the two masses are moving apart with the relative velocity of 60 m/s. The velocity of the mass of 8
N-pentane is burned with excess air in a continuous combustion chamber. A technician runs an analysis and reports. 5.9% oxygen, 304% pentane, 10.2% carbon dioxide, and the balance nitrogen.
What will its volume be when it reaches an altitude of 7,000 meters where the atmospheric pressure is 0.39 atm and the temperature is -24 degrees Celsius?