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A natural gas analyzes N2, 20.0 percent and CH4, 80.0 percent. It is burned under a boiler and most of the CO2 is scrubbed out of the flue gas for the construction of the dry ice.
Two lady-bugs sit on a rotating disk (that is, the ladybugs are at rest with respect to the surface of the disk and do not slip). Lady-bug 1 is half-way between lady-bug 2 and the axis of rotation.
Suppose you would like to make a buffer that is having the pH of 3.50 and you can start with 100 mL of a 0.1000 M solution of disodium maleate and you will bubble also the HCl gas with the help of t
The spring consists of constant k = 3.2 * 10^5 N/m. The car is hit by a second car of mass 9400 kg moving at 8.5 m/s, and the two cars couple altogether. Determine the force of impact if it occurred
Determine the % empty space in a face-centered-cubic (FCC) lattice, and show that it does not depend on the edge length of the unit cell or on the size of the atoms in the unit cell.
Calculate the standard deviation and the mean for this dataset? Make a report on the corrected standard deviation and the mean.
An object having mass m = 13.0 kg is situated halfway between an object of mass 50.0 kg and an object of mass 70.0 kg which are separated by a distance 5.00 m. The magnitude of force on the object h
For each 1 cubic centimeter of water added to bottle, water level rises 0.2 centimeters. If bottle is 25 centimeters tall, how many cubic centimeters of water is required to fill bottle?
A person on the scale rides in an elevator. When the mass of the person is 60.0 kg and the elevator accelerates downward with the acceleration of 4.90 m/s^2, determine the reading on the scale?
Calculate the concentration in molarity if a solution is made by combining the 0.224 g glucose (C6H12O6) with enough water to make a final volume of the 250.0 mL.
What volume of the stock solution should be diluted to 25.0 mL to acquire the desired solution? From a stock solution of 0.100 M LiNO3 (aq), 25.0 mL of 0.0100 M LiNO3 (aq) is to be
Compute the insurance of a solenoid having 300 turns if the length of the solenoid is 25cm and it cross-sectional area is 4cm squared.
Calculate the freezing point of a solution that which contains 78.8 g of naphthalene dissolved in the 722 mL of benzene where d = 0.877 g/mL. Pure benzene has a melting point of 5.50°C and a fr
If the person throws the water balloon downward with the speed of 5 feet per second, height of water balloon is given by equation h=-16t(squared)-5t 100, where t is in seconds. Find when water ballo
Determine the cost of operating two 200 Watt flood-lights for a time of 24 hours, supposing the cost of electrical energy is $.08 per kilowatt-hour. The automobile engine is rated at 150 horse-power
Determine the numbers of moles of ammonium ions are in8.746 g of ammonium carbonate? At 60.0 C determine the amount of heat that must be absorbed by 10.0 g of ice at -20.0 C to convert it to li
Find out the amount of heat required to melt 2.00 Kg of iron at the melting point (1,809K), when the H fusion = 13.80 kJ/mol.
Cutting a 1 foot by 1 foot square off of every corner and folding up edges will yield the open box. If desired volume is 12 cubic feet, find dimensions of original rectangular piece of cardboard?
At a pressure of 1.0 atm and the temperature of 25 degrees Celsius a saturated solution was formed when 4.54*10^-2 L of argon was dissolved in the 1.0 L of water. Evaluate the Henry's law constant
Determine the relationship of the distance of an object in front of the plane mirror and the distance of its image ‘behind’ the mirror? Determine how much bigger is the image than the re
The rectangle has the area of 31.5 square meters. If length is 2 meters more than twice width, determine the dimensions of rectangle.
Verify mathematically that if a plane mirror is rotated an angle (theta) about an axis through its center, then the angle of deflection (thee) of a light ray is equivalent to 2 times theta. Comprise
Through how many revolutions does the tub turn throughout this 22 s interval? Suppose constant angular acceleration while it is beginning and stopping.
A car of 1500 kg drives up a mountain road that consists of a vertical rise of 1300 meters from the base elevation in 30 minutes. Determine the average power output?
The square's side is increased by 3 yards, which corresponds to the increase in area by 69 square yards. How many yards is side of initial square?