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The second order maximum produced by a diffraction grating with 560 lines per centimeter is at an angle of 3.1 degrees. What is the wavelength of the lights that illuminates the grating?
A 192 g piece of copper is heated to 100.0C in a boiling water bath and then dropped into a beaker containing 75.0 ml of water at 4.0C. What is the final temperature of the copper and water after th
A diffraction grating with 345 lines/nm is 1 m in front of a screen. What is the wavelength of light whose first-order maxima will be 16.4 cm from the central maximum on the screen?
The microphone is 2.25 m from midpoint of the two speakers. What are the lowest two frequencies that produce an interference maximum at the microphone's location?
A large crate of mass 1.5*10^3kg is at rest at the top of an incline of slope 15 degrees. It slides 20 m down the incline. at the bottom its speed is 8m/s. calculate: a) the change in kinetic energy
As a system increases in volume, it absorbs 52.5 J of energy in the form of heat from the surroundings. The piston is working against a pressure of 0.500 atm. The final volume of the system is 58.0
The rms speed of the molecules in 1.3 g of hydrogen gas is 1600 m/s. What is the total translational kinetic energy of the gas molecules?
The average osmotic pressure of human blood versus water is 7.60atm at a temperature of T=310K. Calculate the total solute concentration in human blood.
Calculate the change in freezing point of water if 0.0053g of a protein with molecular weight 10083g/mol is dissolved in 100mL of water.
The sludge has to be dried before it can be composted or otherwise handled.If sludge containing 70% water and 30% solids is passed through a drier and the resulting product contains 25 % water, how
When 96.4 g of god at some temperature is added to 25.0 g of water at 23.4 C in a calorimeter, the final temperature of the resulting mixture is 26.8 C.
Jupiter's moon Io is has an orbital radius of 421,000 km, around the planet Jupiter (MJ = 1.9 x 10^27 kg). Io's radius is 1821 km and its mass is 8.93 x 10^22 kg. Calculate the tensional force insid
A magnifying glass is a single convex lens with a focal point length of f= + 14 cm. What is the angular magnification when this lens forms a (virtual) image at - 8
The toroid has 900 turns of large diameter wire, each of which carries a current of 14.0 kA. Find the magnitude of the magnetic field inside the toroid along (a) the inner radius and (b) the outer r
What kind of subshell is being being filled in Groups IA and IIA? in Groups IIIA to VIIIA? in the transition elements? in the lanthanides and actinides?
The objective lens has a focal length of f1 = + 39 cm. Precisely 36 cm behind this lens is a concave lens with a focal length of f2= -10 cm. The object to be photograph is 4 m in front of the objec
Which of the following ions would you expect to be paramagnetic: O2+, N2 2-, Li2+, O2 2-? ? ??For those ions that are paramagnetic, determine the number of unpaired electrons.
A converging lens of focal length 8 cm is 20 cm to the left of a diverging lens of focal length - 6 cm. A coin is placed 12 cm to the left of the converging lens. Find the location and magnification
To completely fill a frame of 35 mm film, the image produced by a camera must be 36 mm high. If a camera has a focal length of 150mm, how far away must a 2m tall person stand to produce an image tha
Why is the ground term of a D8 metal complex F3? what are the possible orbital transitions that can happen in the UV-Vis spec according to the Tanabe-sugano diagram.
Gout is caused by an error in nucleic acid metabolism that leads to a buildup of uric acid in body fluids, which is deposited as slightly soluble sodium urate (C5H3N4O3Na) in the soft tissues of joi
A small community has used an unchlorinated well water supply containing approximately 0.3 mg/l of iron and manganese for several years without any apparent iron and manganese problems.
The dynamic range maybe a useful parameter of any spectroscopic system and is the very important parameter of the measurement system. There exists some applications (spectral analysis, nuclear magne
A wheel rotates with a constant angular acceleration of 4.00 rad/s2. Assume the angular speed of the wheel is 2.30 rad/s at ti = 0. Find the angle through which the wheel rotates between t = 2.00 s an