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Determine the magnification in the first case (smaller distance from the light bulb)?
If a 300 MHz spectrometer was used to produce an NMR spectra of the same sample where would this same signal appear (give answer in ppm)? Using a 60 MHz NMR spectrometer a signal for a sample appea
Determine the numbers of signals will there be and which carbon will produce a signal at the highest frequency, for the carbon-13 NMR of 2,2-dimethyl-1-propanol?
Illustrate the structure of isomer1. There are three isomeric dichlorocyclopropanes. Their HNMR spectra show one signal for isomer 1, two signals for isomer 2, and three signals for isomer 3. &nbs
An ice puck of .450 kg, moving east having a speed of 3.00 m/s, has a head on collision with a puck of 0.900 kg primarily at rest. Supposing a perfectly elastic collision, determine what will be the
The solubility of O2 in water is approximately0.00380 grams per liter of water when the partial pressure of gaseous oxygen is 760 torr and the temperature is 25.0°C.
An object is positioned 4 cm in front of a 2 cm focal length lens. When a second similar lens is now positioned 2 cm behind the first, where will the final image be positioned?
Determine the percent ionization of the cyanic acd, Ka=2.0 x 10-4, in a bufer solution that is having 0.10 M NaCNO and 0.50 M HCNO.
Find out the critical constants of this substance when the van der Waals constants for HCL area = 3.67 atm-liter2mole-2, and b= 40.8 cc mole-1.
The chain engages having a front sprocket 15.2 cm in diameter and a rear sprocket 6.25 cm in diameter. (i) Compute the speed of a link of the chain relative to the bicycle frame.
Determine the weight of O2 necessary to fill a gas cylinder of the 100-litercapacity under the given conditions. At 00C and under a pressure of 100 atm the compressibility factor of O2 is 0.
A man is travelling in the elevator that is accelerating upwards having a uniform acceleration of g/3 (g = 9.8 m/s2).
The expansion tank of a house hold hot-water heating tank is open to the atmosphere and is 10 meters over a pressure gauge joined to a furnace. Determine the gauge pressure at the furnace?
Three similar resistors, each of resistance 6.0 ohm, are joined two in parallel and the third one in series. This combination is joined to a 12 V battery. Determine the current and voltage on each a
An object 4cm tall is positioned 10cm from the thin converging lens manufactured in Part (i). Compute the position and size of the image of the object and find out its nature.
I have an inclined plane which is at a 30 degree angle and comprises two objects and a pulley among them. On the incline is a 3 kg mass and suspending in the vertical position is a 4kg mass. Both m
A candle having a flame 2.5cm tall is positioned 5.6cm from the front of a concave mirror. A virtual image is made 11cm behind the mirror. i) Determine the focal length of the mirror.
The elementary analysis of a compound yielded the following results: H, 6.72%; C, 30.98 %; and O, 53.30%. Further, the molecular weight of the compound was found by the Dumas method to be 118.6 gmol
A sound wave consists of a frequency of 1310 Hz. The air temperature is around 15 o C. To the closest tenth of a meter per second, determine the speed?
By use of the Berthelot equation determine the molecular weight of the vapor, and compare the result with that measured by the ideal gas law. A sample of vapor weighing 0.180 g occupies a volume of
A round wastepaper basket having a 0.15 m radius opening is in the uniform field of fluid flow of 3.0 m/s perpendicular to the opening. The net flux via the sides and bottom (in SI units) is:
Determine the pressure exerted by the 1.0 mol of nitrogen gas behaving as (a) a perfect gas, and a real gas which follows (b) van der Waals equation, and (c) Berthelot equation, when it is confined
How do you calculate the Km for an enzyme when you know the Vmax, enzyme concentration, and you also have a graph that has the substrate concentration versus the initial velocity plotted?
Determine the pH of a buffer solution made by dissolving the 0.10 mol of sodium format, HCOONa and the 0.10 mol of formic acid, HCOOH in the 1L of water?
When a photon and an electron each encompass the similar energy of 20.0 eV, determine the wavelength of each.