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A manometer consists of U-shaped tube which is having a liquid. One side is connected to the apparatus and the other is open to the atmosphere.
A ball of 3.0 kg is positioned at (x, y, z) = (0,1.0,0) m and a ball of 4.0 kg is positioned at (1.0,1.0,0) m. Where is the center of mass of such two balls?
An object of 55-kg on a frictionless horizontal surface oscillating on a spring which consists of a force constant equivalent to 2.5 kN/m consists of a net mechanical energy of 0.70 J. i) Determine
The densities of air at 100 (degrees) C are 1.877g dm-3 and -85(degrees) C, 0(degrees) C, 0.946 gdm-3 and 1.294 g dm-3, respectively. From these data, and assuming that air obeys Charles's law, find
By using Simple fixed point iteration. Begin with x=0.9 as the initial guess and do 4 iterations. Write the estimate of absolute error.
Determine how far down stream will the swimmer be upon reaching the other side of the river? The sides of the riverbank are precisely parallel.
Ag2+, Cu2+, Ba2+, and Mn2+. Addition of HCl causes a precipitate to form. After the precipitate is filtered off, H2SO4 is added to the supernatant and another precipitate forms.
A major-league pitcher can throw a base-ball in surplus of v = 41m/s. When a ball is thrown horizontally at this speed, determine how much will it drop by the time it reaches a catcher who is a dist
Determine the numbers of photons will be needed to raise the temperature of 2.5 g of water by 2.2 k? Water is exposed to infrared radiation of wavelength 3.0×10-4 cm.
A criminal is escaping across the rooftop and runs off the roof horizontally at a speed of v = 5.3 m/s, hoping to land on the roof of the adjacent building. Air resistance is negligible. The horizon
What is the molarity of the unknown phosphoric acid solution? A 20.00 mL sample of phosphoric acid was neutralized with33.44 mL of 0.109 M NaOH.
A dolphin leaps out of the water at the angle of θ = 35 degrees above the horizontal. The horizontal component of the dolphin's velocity is v = 7.7 m/s. Determine the magnitude of the vertica
Calculate how many grams of nickel must be added to 500 grams of copper to form an alloy that has a liquidus temperature of 1350C? Calculate the ratio of the number of nickel atoms to copper atoms i
What is the rate of diffusion of helium gas at the same temperature if nitrogen gas has an average rate of diffusion of 0.126cm/s at the room temperature?
The ball is launched at an angle of θ = 51degrees above the ground. Find out the horizontal and vertical components of the launch velocity. Avoid acceleration due to gravity for the problem.
Determine the number of molecules in a deep breath of air whose volume is 2.59 L at the body temperature, 37°C, and which is having the pressure of 743torr.
Determine the change in molar entropy of aluminum that is heated from the 600 to 700°C. The heat of fusion is 393J/g, the melting point of Al is 660°C and the heat capacities of the
What mass in grams of steam at 100°C should be mixed with 298 g of ice at its melting point, in a thermally insulated container, to generate liquid water at 15.0°C? The specific heat of wate
What is the volume of nitrogen at STP when the Pantothenic acid is a B vitamin. Using the Dumas method, you find that a sample weighing 55.4 mg gives 3.84 mL of nitroen gas at27*C and 745 mmHg.
Find largest and smallest degrees of vertices of G. Does G contain the independent set of size three or more? Find chromatic number of G, and describe.
Methanol, CH3OH, can be formed in industrial plants by reacting the carbon dioxide with hydrogen in the presence of a catalyst. Water is the other product.
Find out the ratio of the two capacitances? (Prior to the battery is joined in each case, the capacitors are completely discharged.)
How can estimate the density of hydrogen sulfide gas, H2S, at the 56*C and 967 mmHg. Obtain the density in grams per liter.
Find out the efficiency of a motor which generates 92N-m of helpful work however needs 388N-m of work to make it operate.
The aluminum sample is quickly transferred to 50.0 mL of water at23.8oC contained in a calorimeter. An 18.50-g sample of aluminum is heated t 0 99.9o C in a hot water bath until thermal equilibri