What is the partial pressure of argon in the flask
A 1- flask is filled with 1.20 of argon at 25*C . A sample of ethane vapor is added to the same flask until the total pressure is 1.45 atm. What is the partial pressure of argon in the flask?
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Bonnie and Clyde are sliding 300 {rm kg} bank safe across the floor to their getaway car. The safe slides with a constant speed if Clyde pushes from behind with 420 {rm N} of force while Bonnie pulls forward on a rope with 285 {rm N} of force.
A solution contains Cr3+ ion and Mg2+ ion. The total mass of the precipitate is 49.6. Find the mass of Cr3+ in the original solution.
A sample of a compound containing only chlorine and oxygen reacts with an excess of hydrogen gas to give 0.278 g HCl and 0.206 g water.
A clock pendulum oscillates at a frequency of 2.5 Hz. At it is released from rest starting at an angle of 15º to the vertical. Ignoring friction, what will be the position (angle) of the pendulum at (a) (b) and (c) [Hint: Do not confuse the a
A sample of ethane vapor is added to the same flask until the total pressure is 1.45 atm. What is the partial pressure of argon in the flask?
A rocket is launched at an angle of 50.0° above the horizontal with an initial speed of 105 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 31.0 m/s2. At this time, its engines fail and the rocket proc
A 12.4 g bullet is fired horizontally into a 96 g wooden block initially at rest on a horizontal surface. After impact, the block slides 7.5 m before coming to rest. If the coefficient of kinetic friction between block and surface is 0.650, what
1.64g of a mixture of CaCO3 and MgCO3 was dissolved in 50ml of 0.8 M HCL. the excess of acid required 16ml of 0.25M NaOH for neutralization. Calculate the percentage of CaCO3 and MgCO3 .
How much PV work is done (in kilojoules), if 88.0 g of ethylene and 120 g of HCl are allowed to react at atmospheric pressure and the volume change is -70.3 L?
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