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Throughout each cycle a reversible engine absorbs 2500 J of heat from the high temperature reservoir and performs 2200 J of work. Find out the ratio Th/Tc of the two reservoir temperatures?
Temperature T of soda t minutes after it is placed in refrigerator is provided by T(t) = 36+54e^-0.058t. Determine temperature of soda 12 minutes after it is placed in refrigerator.
The monatomic ideal gas is held in a thermally insulated container having a volume of .075 m^3. The pressure in the gas is 105 kPa and the temperature is 317 K. At what volume will the gas encompas
A system comprises of 2.5 mol of the ideal monatomic gas at 325 K. Determine how much heat should be added to 2.8 mol of an ideal monatomic gas at (i) constant pressure and (ii) constant volume.
Throughout the adiabatic process, the temperature of 3.92 moles of a monatomic ideal gas falls from 485 C to 205 C. For this gas, determine the change in the internal energy.
Points (2, -3) and (6, -1) are endpoints of diameter of the circle. Determine exact length of diameter? (Simplify as much as possible)?
Suppose through the reactor half the reactants are consumed in each pass. The distillation produces a stream of methanol with 1% CO. The recycle stream have 5% methanol.
Find (i) the average normal stress in the tube and in rod, (ii) deformations of the tube and of rod.
A fire extinguisher for home use is made of steel cylinder of 550mL having water and carbon dioxide. The extinguisher weighs 1.54kilograms empty and 2.53 kilograms when fully filled by the gas mixtu
Analyze the wavelength of a photon required to excite a transition among its neighboring vibrational energy levels. A hydrogen atom is absorbed on the surface of a gold nano-particle by a bond forc
The atomic radius for the element neon is 7.0 x10^1 pm. The area of the head of an average flat-headed straight pin is 3.50 x 10 ^-4 in^2. Determine the number of neon atom scan fit across the diame
The phosphoric acid and phosphorous acid have essentially the same value of Ka and the sulphuric acid has a Ka 10,000 times which is greater than the Ka of sulfurous acid. Discuss in terms o
Describe the structure of the compound when the compound Na2 (crypt) has been prepared. Discuss what is the unusual about this compound?
Explain how close are the two dislocations when the mobile one stops? Consider two parallel edge dislocations of the same sign on parallel glide planes, which is having five Burgers vectors apart.
Water wheel rotates through angle 0, water level L behind wheel changes according to equation L = 1 - sin0 - sin^2 0 where L is measured in inches.
The current in a 100 watt light-bulb is 0.85 A. The filament within the bulb is 0.25 mm in diameter. Determine the electron current in the filament?
Ramon consists of a coherent light source having wavelength 526 nm. He wants to send light via a double slit having slit separation of 1.5 mm to a screen 90 cm away. Determine the minimum width of t
Determine what will be the outcome if the measurements are made to find out the total angular momentum and the total energy?
When 8 moles of a monatomic ideal gas at a temperature of 245 K are expanded isothermally from a volume of 1.12 L to the volume of 4.33 L, compute the heat flow into or out of the gas.
Determine the maximum amount of alum (in metric tons) that can be prepared from 17.1 metric tons of scrap aluminum (1 metric ton = 1000 kg)?
One mole of the ideal monatomic gas is initially at a temperature of 263 K. Determine the final temperature of the gas when 3280 J of heat is added to it and it does 722 J of work?
The bitter tasting compound quinine is used as a protection against the malaria and it is a component of tonic water which is having only C, H, N and O.
Where g is acceleration due to gravity. Determine maximum height reached by the free throw if h = 1.89 m, v0 = 7 m/s, angle= 64.47°, and g = 9.81 m/s2.
A ball having mass 522g begins at rest and slides down a frictionless track. It leaves the track horizontally, striking the ground at a distance x = 0.92 m from the end of the track after falling a
The solution has a vapor pressure of 261 torr. Hexane and Pure pentane have vapor pressures of 151 torr and 425 torr respectively, at room temperature. Find out the mole fraction of hexane?