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The IR Spectra of solid benoic acid and liquid acetic acid are shown below. The OH stretch of a carboxylic acid is normally a broad peak from 3500-2500 cm-1. Explain why acetic acid has a very broad
A space craft is designed to be rotating column, in order to simulate artifical gravity. find angular frequency must be maintained to simulate surface gravity
A Carnot engine operates between reservoirs at 550K and 300K, discarding 1500 J of heat in each cycle. determine the engine's efficiency
A drinking fountain shoots water about 14 cm up in the air from a nozzle of diameter 0.60 cm. What gauge pressure does the pump have to provide
Two adjacent natural frequencies of an organ pipe are found to be 450 Hz and 495 Hz. What is the length of the pipe
While visiting Planet Physics, you toss a rock straight up at 14m/s and catch it 2.5s later. determine the mass of Planet Physics
The Lyman series of emission lines of the hydrogen atoms are those for which nf = 1. a) determine the region of the electromagnetic spectrum in which the lines of the Lyman series are observed. b) C
A liguid stream in a refinery contains 0.20 mol propane/mol, 0.30 mol butane/mol and 0.50 mole pentane/mol. If the flow rate of the propane is 75 mol/min, what are the flow rates of the butane and p
It takes 10 microliters of solution to produce a spot 1 cm in diameter. If the co(no3)2 solution contains about 6g co2+ per liter, how many micrograms of co2+ ion are there in one spot
189.35 J of energy are transferred to a system in the form of heat while the internal energy decreases by 46.99 J
Comment on the difference between the impure and crystallized sulfanilamide. What does the difference indicate about your ability to perform an effective crystallization
A cup of water is heated with a heating coil that delivers 27.28W of heat. What is the mass of the water
A gas with initial conditions (P,V,T)i expands isothermally until the final volume=6.389 times the initial volume
explain the apparent paradox. although the addition of one equivalent of HX to an alkyne is more exothermic than the addition of HX to an alkene, an alkene reacts faster
A pilot claims to have seen a UFO moving initially at a speed of about 373 m/s in an easterly direction and then, Compute the UFO's average acceleration during the turn
What would be the speed of the following particles if they had the same wavelength as a photon of red light ( = 750.0 nm)
A 69-g firecracker is at rest at the origin when it explodes into three pieces. Find the velocity of the third piece
The frequency of the middle G note on a piano is 392.00 Hz. What is the wavelength of this note in centimeters? The speed of sound in air is 343.06 m/s. Explain steps.
A 1000 kg airplane touches down on an icy runway, heading northward at 110 km/h. Find the speed and direction of the combined wreckage
On a lab exam, you have to find the concentrations of the monoprotic (one proton per molecule) acids HA and HB. You are given 42.5 mL of HA solution in one flask. A second flask contains 45.4 mL of
A diver releases an air bubble of volume 2.0cm3from a depth of 16m below the surface of a lake, What is the volume of the bubble when it reaches just below the surface of the lake
A 116 g Frisbee is 28 cm in diameter and has about half its mass spread uniformly in a disk, and the other half concentrated in the rim. What is the magnitude of the torque, assumed constant, that th
How long does it take (in minutes) for light to reach Mars from the Sun, a distance of 2.402 × 108 km
While messing around with billiard balls, you roll the 8-ball into another ball of the same mass and initially at rest. After the collision, Find the original speed of the cue ball