How many ml of the base have to be added
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?
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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
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.
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
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.
A ball is projected upward at time = 0.0 s, from a point on a roof 50 m above the ground. The ball rises, then falls and strikes the ground. The initial velocity of the ball is Consider all quantities as positive in the upward direction. The velo
To what volume should you dilute 0.05 L of a 5.00 M KI solution so that 0.025 L of the diluted solution contains 3.25 g of KI? (Find the M of the new KI solution first, then proceed to use the M1V1 = M2V2 equation)
Find an expression for the electric field strength outside the sphere, r> R.
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