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An automobile has a total mass of 1700 kg. It accelerates from rest to 40 km/h in 10 s. Assume each wheel is a uniform 32 kg disk. find the total kinetic energy of the automobile
Three 10.00mL samples of juice were titrated with DCP that had a standardized concentration of 1.01x10-3M. The three titrations took an average of 13.82mL of DCP. Calculate the mass (in mg) in 50.00
A solenoid coil has a radius of 7.2 cm, a lenght of 31.5 cm, and has a 380 turns of wire. Calculate the field strength inside the coil
What is the empirical formula of a 0.01510 g sample gives 0.01102 g of H2O and 0.04484 g of CO2 on combustion? b) if you dissolve 1.000 g of the powder in 100.000 g of camphor, you find that the mel
When resting, a person has a metabolic rate of about 3.0 105 joules per hour. The person is submerged neck-deep into a tub containing 1.12 103 kg of water at 22.10° C. find the wate
Two lenses, the first with focal length 10.0 cm and the second with focal length -12.5 cm, are separated by 20.0 cm. What is the size of the final image and what is its position
A 8.0mH inductor is connected in parallel with a variable capacitor. The capacitor can be varied from 180pF to 320pF. What is the minimum oscillation frequency for this circuit
During normal beating, the heart creates a maximum 4.30 mV potential across 0.330 m of a person's chest, What is the maximum electric field strength created
A uniform cylindrical turntable of radius 1.80 m and mass 25.2 kg rotates counterclockwise in a horizontal plane with an initial angular speed of 4pi rad/s. Find the final angular speed of the clay
You take 3.1789 g of a substance and place it into 100.0 g of benzene. The boiling point of this solution is found to be 80.5464 C. What is the approximate molar mass of the substance? Bp of CCl4 is
A 3.80-mm-wide bolt is viewed with a9.30-cm-focal-length lens. A normal eye views the image at its near point. Calculate the angular magnification
where C is a constant.The following table gives the equilibrium constant (Kp) at various temperatures for the reaction of nitrogen monoxide with oxygen gas that produces nitrogen dioxide
If the heat of vaporization for water is 540 calg how many kilocalories are released when 5.00 g of steam is converted to liquid at 100C
A horizontal light ray is incident on a crown glass prism as shown in the figure below where ? = 42.5°. Find the angle of deviation ? of the ray-the angle
Assuming that the following structures exist, draw the structures of IF7, IF6G,IF5 and IF4G. In addition, what would be the bond hybridization in each of these compounds and would expect them to be
The average density of a fish can be found by first weighing it in air and then finding the scale reading for the fish completely immersed in water, what is the average density of the fish
If the partial pressure of the cyclopropane in the mixture is 330 mm Hg and the partial pressure of the oxygen is 1.0 atm, what is the total pressure of the mixture in torr
The pressure inside a gas bottle at 23.4 °C is 4350 kPa. What will be the pressure inside the bottle
Under the same conditions of temperature and pressure it takes an equal volume of bromine vapor 4.74 min to effuse through the same hole. Calculate the molar mass of the unkown gas and suggest what
What is the triple point of material X. Consider melting 3.00 moles of material X at 1.00 atm. Assuming that the melting co-existence curve is a straight line, what is X's normal melting temperatur
Light from the sun allows a solar cell to move electrons from the positive to the negative terminal, determine the emf of this solar cell
A potter's wheel having a radius 0.53 m and a moment of inertia of 11.4 kg, determine the effective coefficient of kinetic friction between the wheel and the wet rag
During a work-up, we are asked to interrupt vacuum, "drizzle" cold methanol over the crude product, then reestablish vacuum. What is the purpose of this step and why does the methanol need to be col
How many moles of water, H2O, are present in 75.0g H20? A. 4.17 moles B. 4.41 moles C. 75.0 moles D. 1.35 x 10^3 moles C 7.50 moles
A lens of focal length 15.0 cm is used to create an image of the Full Moon. What is diameter of the image