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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?
A flat slab of sulphur (Epsilon r = 4) is positioned normal to a uniform field. When (Rho sp) = 0.5 C m-2 on the slab surfaces, determine:
If water freezes, it expands around 9.35%. Determine what would be the pressure increase within your automobile engine block when the water in it froze? The bulk modulus of ice is 2.00 x 109 N/m2.
Suppose that one nerve impulse should end before a new one can start. Approximate the maximum firing rate of a nerve cell, expressing it in the impulses per second.
You leave a ski jump by a velocity of 39 m/s at an upward angle of 15 degrees. When you travel 110 meters horizontally before landing, determine what angle (measure from the horizontal) do you hope
Determine how many feet forward does the pilot travel before falling into the snow-bank? Avoid air resistance and suppose that the plane is programmed to dodge falling objects.
The rectangular package has the maximum combined length and perimeter of cross section: 20 inches Length= x Width= y and Hight= x
You are going from the planet earth to mars, 60 million miles. Someway you are going in a straight line! Your partner forgets to begin your clock until you are passing the Moon, 240,000 miles from E
You reach to catch a train and find it left 8.8 seconds ago. The train accelerates at 0.74 m/s^2 while your acceleration is 0.088 m/s^2 greater. Determine how many second will it take you to catch t
A monkey 22 m up a tree throws a coconut down at you having a velocity of 13 m/s. Determine how many seconds do you have to jump?
It sits and cools for ten minutes to 140 degrees F. Suppose the exponential model, when will coffee reach 100 degrees F?
When the currents are parallel, determine the direction of the forces on the wires? When the currents are anti-parallel?
A wire Cu having a diameter of 1 mm carries a net current I = 1x10-3 A. When this current is evenly distributed across the wire’s cross section, determine the speed of free charges carry