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50.0mL of a solution with calcium oxalate required 1.76mL of0.00101M premanganate to titrate it. What is the Ksp value for calcium oxalate?
A child pulls a friend in a little red wagon with constant speed. If the child pulls with a force of 16 N for 11.6 m, and the handle of the wagon is inclined at an angle of 29° above the horizon
How long after the switch is closed will it take for the current in the circuit to reach half of its maximum value ?
A reaction takes place between sodium chloride and hydrochloric acid. The products of this reaction are sodium sulfate(Na2SO4) and hydrochloric acid. What is the balanced equation that represents this
a. Calculate the total work done in one cycle in each cylinder of the engine, and the heat released when the gas is cooled to the temperature of the outside air. b. Calculate the volume of the air-f
A cylinder containing helium gas has a pressure of 235atm at 22 degreeC. What will be the pressure of the helium if the cylinder is placed in a container of liquid nitrogen at -196degree C?
An arrow, starting from rest , leaves the bow with a speed of 25.0 m/s. if the average force exerted on the arrow by the bow were doubled,all else remaining the same, with what speed would the arrow
What volume of water vapor is produced by burning 500g of gasoline at STP and a temp of 18 degreeC. Determine the density of propanegasC3H8, in grams per liter at 22 degree C and748 too??
You are designing a small coil (called a search coil) to measure magnetic fields. It is to have a diameter of 3.20 cm and is to be designed so that flipping it 180 degree in a field of 0.130 T cause
What is the molarity of asodium vanadate (Na3VO4) solution if 35.6mL of the solution are needed to titrate a 0.759g sample of pure potassium sulfite?VO4-3+SO3-2+4H+--->VO++SO4-2+2H2O
A 15.8 kO resistor and a capacitor are connected in series and then a 12.0 V potential difference is suddenly applied across them. The potential difference across the capacitor rises to 5.68 V in 1.
The velocity of a diver just before hitting the water is -11.6 m/s, where the minus sign indicates that her motion is directly downward. What is her displacement during the last 1.12 s of the dive?
A hot-air balloon is rising upward with a constant speed of 3.87 m/s. When the balloon is 3.73 m above the ground, the balloonist accidentally drops a compass over the side of the balloon. How much
What would you expect to be the general temperature and pressure conditions for an optimum yield of nitruc oxides,NO, by the oxidation of ammonia?4NH3(g) + 5O2(g) ----------> 4NO(g)+6 H2O(g); &De
Gun A is fired straight upward, with the pellet going up and then falling back down, eventually hitting the ground beneath the cliff. Gun B is fired straight downward. In the absence of air resistan
Find (a) the magnitude of the resultant vector A+B+C+D , and (b) its direction as a positive angle relative to due west.
You add 1.00 kg of the antifreeze ethylene glycol (C6H6O3) to your car radiator,which contains 4450 g water. What are the boiling points of the solution if Kf = 0.512.C/m andKb=1.86.C/m?
Fifteen bright spots appear on the screen. (a) Find the maximum possible value for the slit separation in the diffraction grating.
Calculate the vapor pressure lowering when 10.0ml glycerol (C3H8O3) is added to 500 ml waterat 50'C. At this temperature the vapor pressure of pure water is92.5 torr and its density is 0.988 g/ml. T
You measure the velocity of an electron to an accuracy of ±12.3 m/s. What is the minimum uncertainty in its position?
A small satellite is 10,000 km above the center of a planet and orbits it once in 100 min. What is the mass of the planet? (Assume the satellite's mass is much less than the planet's mass.)
In the distant future, an astronaut drops a wrench on an alien world. The wrench falls from rest a distance to 1.22 m to the ground, and it takes .672 seconds to fall. What is the acceleration due t
Bubba drops a small pebble down a well shaft one day to see how deep it is. He notices that it takes the pebble 2.76 seconds to reach the bottom of the well.
How many grams of aluminum can be formed by the passage of370. C through an electrolytic cell containing a molten aluminum salt?
The distance between the centers of two binary stars is R. Star 1 has a mass Mo and star 2 has a mass of 2Mo. In terms of R, how far from the center of star 1 is the point where the two gravitationa