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At standard temperature and pressure (0 and 1.00 ), 1.00 of an ideal gas occupies a volume of 22.4 . What volume would the same amount of gas occupy at the same pressure and 30
A rock is travelling in a horizontal circle due to a string with a tension of 100.5 N that is 2.0 m long. What is the tangential speed of the rock
Propionic acid and methyl acetate are isomers. Which has the higher boiling point and why? Which one would have the greater Rf value on TLC? Why
An air hockey puck is attached to a string with a length of .45 m and is set in a circular motion with a period of 2.0 s. What is the tangential speed of the puck
Find the conditional formation constant for Ca(EDTA)2- at pH 9.00, where log Kf is 10.65 and ?Y4- is 0.041.
A car with a mass of 1234 kg is travelling around a circular track with a radius of 100.m and a tangential velocity of 23 m/s. Determine the centripetal acceleration of the car
A buffer solution contains 0.71 mol of boric acid (H3BO3) and 0.53 mol of sodium dihydrogen borate (NaH2BO3) in 4.00 L. The Ka of boric acid (H3BO3) is Ka = 5.8e-10. What is the pH of the buffer aft
At two temperatures, 85 K and 135 K, the vapor pressures of a certain liquid were found to be 540 Torr and 830 Torr, respectively. From this information, determine the molar enthalpy of vaporization
Calculate the equilibrium constant, Ka for the acid, HA if, at equilibrium, the pH of a 2.1 M solution of HA is 3.43
A well-insulated electric water heater warms119kg of water from 20.0° C to47.0° C in33.0min. Find the resistance of its heating element
You have a sample of helium gas at 0.00 ?C. To what temperature should the gas be heated in order to increase the root-mean-square speed of helium atoms by 10.0%
The head of a grass string trimmer has 100 g of cord wound in a light cylindrical spool with inside diameter 3.00 cm, What average power is delivered to the head by the trimmer motor while it is accel
The amount of nitrogen in an organic substance can be determined by an analytical method called the Kjeldahl method, in which all the nitrogen in the organic substance is converted to ammonia.
Suppose a cylinder is resting on a horizontal platform on plane x-y with its axis parallel to the y axis, What is the motion (acceleration:linear as well as rotational) of the cylinder
Dehydrohalogenation of (2R, 3R)-2-bromo-3-methylpentane by a bimolecular reaction produces only (E)-3-methyl-2-pentene and 3-methyl-1-pentene as products. Provide a mechanistic explanation as to why
On a planet in a solar system far from ours, you release a rock from rest at a height of 12.0 m above the surface of the planet, What is the mass of the planet
he flux passing through a part of the surface of a sphere, of area 0.010 m^2 is 4.0 (N/C)·m^2. Determine the charge enclosed by the sphere
Write the structural formulas for the products that form when 1-butene reacts with each of the following reagents: a) HI b) H2, Pt c) Dilute H2SO4, warm d) Cold concentrated H2SO4
A farm truck moves due east with a constant velocity of 9.50m/s on a limitless, horizontal stretch of road. A boy riding on the back of the truck throws a can of soda upward and catches the projectile
A rock with mass 2.0 kg is projected from the ground with an initial velocity that has magnitude 14.0 m/s, what is the gravitational potential energy of the rock
A 1200 kg automobile is moving at 30 m/s at a height of 5.0m above the bottom of a hill when it runs out of gasoline. what is the speed of that car at the lowest point
which is a base that has a pKb=5.9 and FW= 121.1g/mole 1) what mass of A do you need? 2) what type of reagent do u need to add? 3) what ratio of the base to its conjugate acid is present in the fina
A merry-go-round is stationary. A dog is running on the ground just outside its circumference, moving with a constant angular speed of 0.775 rad/s. At what time will the dog reach the bone
A cart for hauling ore out of a gold mine has a mass of 447 kg, including its load. Calculate the work done on the cart during the process by friction
A projectile of mass 2.06 kg approaches a stationary target body at 7.70 m/s. What is the speed of the target body