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A narrow beam of white light is incident at 30deg on a 11.0cm -thick piece of glass. What is the index of refraction for deep violet light
Consider two particles with masses that differ by a factor of 325. what is the ratio of their kinetic energies
You switch from a 1.40NA 60x oil immersion objective to a 0.5NA 20x air immersion objective. What is the acceptance angle (in degrees) for the oil immersion objective
2.30×106 atoms are excited to an upper energy level at t=0s. At the end of 10.0ns, How many photons have been emitted
Planet Z is 7000km in diameter. The free-fall acceleration on Planet Z is 10.0m/s2, What is the free-fall acceleration
What is the final concentration of a BSA solution made from 400 uL of stock BSA solution (initial concentration 500 mg/mL) diluted with 1600 uL of water
Draw the lewis structures for these ions, and show which atom in each bears the formal charge. a.) CH3NH3+ b.)CO3,2- c.) OH-
Sketch NMR H spectrum for 1-Bromo-4-methoxybenzene and label all signals splitting and corresponding protons in the compound
The mass of nitrogen molecule, N2, is 4x10^26 kg. What is its root mean square (rms) speed at 40 degrees Celsius
what is the mass of the zinc sulfide product. Express your answer with the appropriate units.
A concave mirror has a focal length of 20 cm. A paraxial beam of light coming from a distant object forms its image at the focal point. compute where is the final image
What is the balanced equation of sodium borohydride and 4-tert-butylcyclohexanone? The reduction reaction has the product 4-tert-butylcyclohexanol which is a mixture of cis and trans isomers.
Two resistors A and B are connected in series to a 9.0 V battery; the voltage across resistor A is 6.0 V. What are the resistances of A and B
If 19.4 grams of an aqueous solution of sodium bromide, NaBr, contains 1.69 grams of sodium bromide, what is the percentage by mass of sodium bromide in the solution
Use Maxwell-Ampère's equation to calculate the maximum strength of the B-field on the perimeter of the plates; when is the B-field maximum
How many grams of FeSO4 are there in 206 grams of an aqueous solution that is 14.0 % by weight FeSO4.
The reduction reaction has the product 4-tert-butylcyclohexanol which is a mixture of cis and trans isomers. Methanol is the solvent, but I don't think that goes into the balanced equation.
An induction cooktop generates an alternating magnetic field B(t)=(0.25 T)cos??t. Calculate the maximum emf induced in a pan modeled as a ring of radius 10 cm
When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 18.0g of carbon were burned in the presence of 62.3g of oxygen, 14.3g of oxygen remained unreacted. What mass of carb
Monochromatic light of wavelength 500 nm is incident normally on a diffraction grating. how many TOTAL number of maxima can be seen
An electron is brought to a point 0.1 m from the center of the sphere. What is the force acting on the electron (magnitude and direction) ? What is the electric field (magnitude and direction ) at th
A parallel- plate capcitor of capacitance 2.0X10^-10 F is oppositely charged with 3.0x10 ^-8 C charge. The distance between the plate is 0.5mm. What is the area on each plate
Anhydrous, primary standard sodium thiosulfate can be prepared from the pentahydrate, Na2S2O3 5H2O. How many grams of primary standard should be dissolved in 500.0 mL of water to make a 0.040 M solu
The lamps worked by dripping water onto calcium carbide that generated acetylene gas (H2C2) that was burned. If the reaction is CaC2 + 2H2O H2C2 + Ca(OH)2, how many liters of acetylene gas at 1.00 a
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. What is the amplitude A of each wave