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What is the osmotic pressure, in atm, of a solution formed by dissolving 17.8 g of PbCl4 in 0.250 L of water at 64.4 oC? (R = 0.0821 L-atm/mol-K; 0 oC = 273 K)
You are driving a car that weighs 1500 kg at 50 km/h, How much force would you need to apply on the wheels of your car through the breaks in order to be able to stop short of hitting the cat
While taking photographs in Death Valley on a day when the temperature is 58.0°C, What current does he register there if the temperature is -88.0°C
A car of mass 1,250 kg is lowered onto a junk pile at the end of the cable of a large crane. If the car is accelerating downward at 0.19 m/s2
A gas mixture contains 76% nitrogen and 24% oxygen. If the total pressure is 1.16 atm what are the partial pressures of each component
a satellite of a distant planet has a period of revolution around the planet of 3.89*10^5 seconds, determine the centripetal acceleration of the satellite
A carbon resistor is to be used as a thermometer. On a winter day when the temperature is 4.00?C, What is the temperature on a spring day when the resistance is 216.0
What is the temperature of 0.600 mol of gas at a pressure of 1.5 atm and a volume of 12.1 L
You hike 2/3 of the way to the top of the hill at a speed of 3.5 miles per H and run the final third at a speed of 5.6 miles per H
The pressure of the gas is 365 torr, and the temperature is 45, ^{\circ}C. If the temperature changes to 60\, ^{\circ}C with no change in volume or amount of gas, what is the new pressure, P_2, of t
If the value of the linear charge density is ? = 40.5 ?C/m and the distance between the two cables is D = 40.5 m, calculate the electric field midway between the two cables
If the coefficient of kinetic friction between tires and dry pavement is 0.82, what is the shortest distance in which you can stop an automobile by locking the brakes when traveling at 26.6 m/s
Consider 4.00 rm L of a gas at 365 rm mmHg and 20. rm ^{circ}C . If the container is compressed to 3.00 rm L and the temperature is increased to 36, rm ^{circ}C, what is the new pressure, P_2, insid
The next day you notice that some of the gas has leaked out. The pressure and temperature remain the same, but the volume has changed to 15.0 L. How many moles of gas (n_2) remain in the cylinder
Jane and Jon, with masses of 50 kg and 60kg, respectively,stand on a frictionless surface 10m apart, What is JOhn's acceleration
calculate the SCF energies and the relative energies of the keto and enol tautomers of ethanal(acetaldehyde) in Kcal/mole
Two parallel metal rods form a plane inclined at 20 degrees to the horizontal. The upper end of the rods are connected together by a resistor of 166ohms, What is the maximum speed of the bar
Calculate the probability of finding the electron in a spherical shell defined by 10.95a0 ? r ?11.05a0
imagine that you spill a cup (250 g) hot water, initially at 75 C, onto the cold ground on a winter fay, Calculate the net change in the entropy of the universe due to this process, and comment on the
Calculate the vapor pressure of water, in torr, above a solution prepared by dissolving 65.40 g of ZnCl2 in 445.0 g of water at 323.0 K. The vapor pressure of pure water at 323.0 K is 92.50 torr.
A point charge of 20nC is placed on the x-axis at the point x = 2. Find the x-component of the electric field Ex at x = 4 and x = -1 where the coordinates are in meters
Draw the structure for the major product formed when cyclohexanone reacts with each of the following- hydrazine, then hot, fused KOH
What does the article fit into your understanding of American influence and manifest destiny in the Western hemisphere?
A baseball player friend of yours wants to determine his pitching speed. You have him stand on a ledge and throw the ball horizontally from an elevation 3.0m above the ground, What is his pitching s
Complete and balance the following redox equation using the smallest whole-number coefficients. Show the steps. Sn (s) + HNO3 --> SnO2 (s) + NO2 + H2O (not balanced, assume acidic solution)