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A particular brand of gasoline has a density of 0.737 g/mL at 25 °C. How many grams of this gasoline would fill a 12.5gal tank?
From the top of a tall building, a gun is fired. The bullet leaves the gun at a speed of 340 m/s, parallel to the ground. As the drawing shows, the bullet puts a hole in a window of another building
When 5.00 g of FeCl3 . xH20 are heated, 2.00 g of H20 are driven off. Find the chemical formula and the name of the hydrate.
A street lamp weighs 170 N. It is supported by two wires that form an angle of 150° with each other. The tensions in the wires are equal. What is the tension in each wire supporting the street l
Calculate the final temperature of the solution assuming no heat lost to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C · g.
A race car has a mass of 706 kg. It starts from rest and travels 39.0 m in 3.0 s. The car is uniformly accelerated during the entire time. What net force is exerted on it?
Neutrons were discovered in 1932 more than 10 years after the existence of isotopes was confirmed. What property of electrons and protons led to the discovery? Suggest a possible reason my neutrons
A sledge loaded with bricks has a total mass of 18 kg and is pulled at constant speed by a rope inclined at 20 degrees above a horizontal surface. The coefficient of kinetic friction between the sl
A generic salt, AB, has a molar mass of 249 g/mol and a solubility of 2.70 g/L at 25 degrees Celsius. What is the Ksp of this salt at 25 degrees Celsius?
A Carnot engine has an efficiency of 35%. If 325 J of heat are released into the environment every cycle, what must be the amount of heat absorbed by the high temperature reservoir
The ladder of length, l=15m and mass of 35kg rests against a smooth frictionless wall. The coefficient of friction between the ladder and ground is 0.6 and the ladder makes an angle, theta with the
Determine the percent yield for the reaction. Assume a constant temperature and that no other reactions occur other than the one indicated.
A place kicker must kick a football from a point 36.0 m (about 39.0 yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a spee
A house is 100.0 ft long and 46 ft wide, and has 8.0 ft high ceilings. What is the volume of the interior of the house in cubic meters and cubic centimeters?
The density of titanium metal is 4.51 g/cm 3 at 25 ° C . What mass of titanium displaces 65.6mL of water at 25 ° C ?
The copper is drawn into wire whose diameter is 8.50mm , how many feet of copper can be obtained from the ingot? The density of copper is 8.94 g/cm 3 .
Find the magnitude of the acceleration for an electron in a uniform electric field with a magnitude of 122 N/C.
If the elastic limit of steel is 5.0 multiplied by 108 Pa, determine the minimum diameter a steel wire can have if it is to support a 70 kg circus performer without its elastic limit being exceeded.
Dried, ground nutmeg typically contains between 20-25% fat by weight. Calculate the range of fat you might expect to obtain if you extracted fat from 10 grams of nutmeg. (Assume that your extraction
Calcium chloride is a strong electrolyte and is used to "salt" streets in the winter to melt ice and snow. Write a reaction to show how this substance breaks apart when it dissolved in water.
When the door is open and at rest, the door closer exerts a torque of 5.4 {rm N}cdot {rm m}. A: What is the moment of inertia of the door?
A 33 kg crate rests on a horizontal floor, and a 73 kg person is standing on the crate. Determine the magnitude of the normal force that the floor exerts on the crate. Also determine the magnitude
How much water would you expect to vaporize, assuming no water splashes out? The specific heats of iron and water are 0.45 and 4.21 J/gC respectively, and Delta Hvap= 40.7 kJ/mol of Water.
What is the tangential acceleration of a bug on the rim of a 11 in diameter disk if the disk accelerates uniformly from rest to an angular speed of 83 revolutions per minute in 2.7 s?
Backpackers often use canisters of white gas to fuel a cooking stove's burner. If one canister contains 1.45 L of white gas, and the density of the gas is 0.710 g/cm3. What is the mass of the fuel i