Calculate the change in entropy of the universe
Calculate the change in entropy of the universe when 1 mol of water vapor at 100°C condenses to liquid water at 100°C in a thin flask in an ambient laboratory temperature of 25°C.
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A 0.570-kg ball is dropped from rest at a point 4.40 m above the floor. The ball rebounds straight upward to a height of 3.20 m. Taking the negative direction to be downward, what is the impulse of the net force applied to the ball during the coll
The specific heat of air at normal pressure is 1.015J/g.C. What is the change in air temperature, assuming the heat from the steam is all absorbed by air?
a typical person has about 200 mg of cholesterol per 100 ml of blood.if the total blood volume of an individual is 5.0 L,how many grams of total blood cholesterol does the individual contain?
A pitcher throws a curveball that reaches the catcher in 0.59 s. The ball curves because it is spinning at an average angular velocity of 380 rev/min (assumed constant) on its way to the catcher's mitt. What is the angular displacement of the bas
The cart is released from rest, allowing it to roll, pulled by the falling hanger. What is the formula for the acceleration a of the cart in terms of the cart's mass M, the hanger's mass m, and the acceleration of gravity g?
Please calculate the percent of Earth's gravitational force on the Shuttle astronauts while orbiting at an altitude of 248 miles (or 399 km) above Earth's surface. To do this, compare the gravitational force on an orbiting astronaut to the force o
You have at your disposal 100.0mL of 0.650M HCl and 500.0 mL of 0.300 M NaOH. How many mL of the base have to be added to the full volume of the acid to reach a pH of 1.90?
A sample consisting of 1.0 mol of a a Van der walls is compressed from 20.0dm3 to10.0 dm3 at 300K. calculate Delta H for the process.
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