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Avoiding friction with the tracks; determine the speed of the car after 100.0 min? (Hint: let consider conservation of momentum merely in the horizontal direction.)
Calculate the final temperature inside the vessel after combustion; neglect any loss of heat to the vessel or surroundings. Where the mixture of gases has an average molar heat capacity of 21J/mol *
A dog of 26.2 kg is running northward at 3.02 m/s, whereas a cat of 5.30 kg is running eastward at 2.74 m/s. Their owner of 65.1 kg has the similar momentum as the two pets taken altogether. Determi
An evacuated reaction vessel with a volume of 10.0 liters is filled with chlorine gas at 25 C and a pressure of 1.00 atm. Al2O3 and NaCL are added and the mixture is heated to 850 C until the rea
The two 75.0 kg hockey players skating at 5.35 m/s collide and stick altogether. When the angle between their initial directions was 115°, determine their speed after the collision?
Demonstrate the structure of this compound and explain why it is the major product when pyridine is nitrated in concentrated nitric acid, amononitropyridine is obtained as the major product
The electron and neutrino are released at right angles and encompass momentum of 9.30 x 10-23 kg•m/s, and 5.00 x 10-23 kg•m/s, correspondingly. Determine the magnitude and direction of the m
Discuss the functional groups that they do not have in common. Explain how you can see these functional groups using spectroscopy. Compare isopentyl alcohol to isopentyl acetate.
Calculate the concentration of the KOH solution? A quantity of 18.68 mL of a KOH solution is required to neutralize 0.4218g of KHP.
If a golf club hits a golf ball, the club is in contact with the ball for around 0.0016 s. The ball of 45 g acquires a speed of 75 m/s. (i) Determine the magnitude of the impulse exerted to the ball
Determine the work for the compression of CO2 gas from3.0 to 1.5 liters against a pressure of 2.0 atm at constant temperature.
A thin film of glass having n = 1.51 floats on a liquid of n = 1.35 and is illuminated by light of 596 nm incident from air above it. Determine the minimum thickness of the glass, other than zero, w
When 1.3584g of sodium acetate trihydrate was mixed into the 100.0cm3 of 0.2000 M HCl (aq) at 25 0Cin a solution calorimeter, its temperature fell by 0.3970C on account of the reaction:
When water at the top of the falls is at 12.8°C, determine the maximum temperature of the water at the bottom of falls? Suppose that all the kinetic energy of the water as it reaches the bottom
Determine the equilibrium constant for the decomposition of phosgene when the chemical formula is given as COCl2 to produce the chlorine gas and carbon monoxide gas.
Determine the equilibrium constant for the given reaction which is carried out at 45 oC. Reaction: The formation of carbon monoxide as from the combustion by using the pure oxygen gas of carbon g
The box with the hinged lid is to be made out of the piece of cardboard which measures 20 by 40 inches. Determine value of x which would result in the box with the volume of 500 cubic inches.
At the top of tramp, trunk is dragged horizontally another 15 metres by same force. Determine the total work done?
The airplane travels at S70°W with the resultant ground speed of 414 kilometres and hour. If plane's nose is pointing west with the airspeed of 425 kilometres an hour, determine speed and direct
The engineers only wish the force of 17 N to open door. How far away from point of rotation must they put handle of door?
These cords measure 1m and 3m. The 3m cords create the angle of 18 degrees with ceiling. Compute tension in each cord.
When engine is turned off, it cools according to Newtons Law of cooling with k=.0341, where time is measured in mins. Determine time required for engine to cool to 90f if surrounding temp is 60f.
Initially, earthquake was rated as 8.9 on Richter scale and then upgraded to 9.0. How many more times stronger is the earthquake of magnitude of 9 to earthquake of magnitude 8.9?
From left to right provide coordinates of five main point for one cycle of graph or 3 points and equations of two asymptotes. f(x) = 5 + 2 cos 3(x + 30 degrees).
Graph h = f(t) where h is height above groumd (in meters) at time t in minutes. First compute the suitable interval for t greater than or equal 0.