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According to normal model, what proportion of existing pillars has heights greater than 350 nm? Explain the answer.
Determine the volume of the air space when the bell has been lowered to a depth of 50m? A diving bell has an air space of 3.0m^3 when on the deck of a boat.
Enormous amounts of 131 Iodine 53 were released in the accident at Chernobyl in year 1986. Chemically, iodine goes to the human thyroid. In a normal thyroid, 131 iodine 53 absorption can cause inju
State the molecular mass (+/- uncertainty) ofC9H9O6N3 with the correct number of significant figures. The molecular masses with absolute uncertainties are listed below
Write down a mechanism for the acid-catalyzed transesterification reaction of the ethyl acetate with 1-butanol, which gives the butyl acetate.
Pineapple contains about the 15wt% and the 85wt% solid. Sugar and pineapples are mixed in the equal weight ratio and the mixture is heated to evaporate the 75wt% of the water to form the pineapple j
Illustrate that since the Fermi energy for a typical metal is a few to several electron-volts, the effective speed of the electron comprised in the electrical conduction in of the order of 10^6m/s
She begins out spinning at w = 0.85 with her arms outstretched. i) Determine w (final) after she pulls her arms in. ii) Determine the increase in the rotational kinetic energy.
Determine the numbers of grams of copper are deposited on the cathode of an electrolytic cell if an electric current of 2.00 A is run through a solution of CuSO4 for 19.0 minutes?
Explain how much heat is needed to completely convert the 78g of ethyl alcohol to a gas? The alcohol has a beginning temperature of the 50degrees C and boils at the 78 degrees C.
An electron which consists of velocity = (2.2 x 106 m/s) + (3.6 x 106 m/s) moves via a magnetic field = (0.03 T) - (0.15 T). (i) Determine the force on the electron.
Explain how much does the flask weigh after the zinc is added and the sides dried from the displaced water? Ten grams of zinc pellet (d=7.14 g/cm3) are added to a flask (123.4 g) filled with water.
Determine the numbers of different Clauses condensation products are possible in the reaction of equal amounts of ethyl acetate (CH3CO2Et) and ethyl propanoate (CH3CH2CO2Et)?
Explain is hydrolysis or dehydration synthesis occurring when a protein is chemically broken down? Include the terms, water, energy, amino acids, and protein in the response
A football quarterback throws a pass at the angle of 41.3°. He releases the pass 3.50 m behind the line of scrimmage. His receiver left the line of scrimmage 2.4 s earlier, going straight down-f
Write the four unit factors using this information when a 1968 penny was cast from a mixture of 95.0% copper and 5.0% zinc by mass.
Air is 20.9% oxygen by volume. Determine the numbers of milliliters of air contains the 175mL of oxygen and the water is 11.2% hydrogen by mass. Calculate what mass of hydrogen is present i
A diffraction grating having 750 slits per mm is illuminated through light which provides a first-order diffraction angle of 34.0. Determine the wavelength of the light in nanometers?
Determine the numbers of 50.0mL syringes could you fill up given the volume of water in the container described above?
When the average force of the floor on the ball is 15 N, determine how long is the ball in contact with the floor?
A particle of 3.0 kg consists of a position vector given by r = 2.0t^2i = 3.0j where r is in meters and t is in seconds. Determine the angular momentum of the particle, in kgm^2/s, about the origin
Determine the final volume of the helium in the balloon when a balloon filled with the 1.2L of helium at 25 degrees Celsius and 0.98atm pressure is submerged in liquid nitrogen at -196 degrees Cels
Determine the distance (in cm) among the common center of the diffraction patterns and the first occurrence of the spot where a dark fringe from one pattern falls on the top of a dark fringe from th
Determine the molar heat capacities at constant pressure and constant volume of the gas given that when the 229J of energy is supplied as heat to 3.00 mol Argon (g), the temperature of the sample i
This tank is filled to its capacity with an aqueous solution made by dissolving 25.5 lb. of solid sodium sulfate (sodium sulfate dissolves completely in water).