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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?
X melts at 150C, Y melts at 120 C and a mixture with 40%Y and 60% X melts at the 100C. If a solution containing 20% X and 80% Y then what will be the composition of first and last crystal that forms
The two concentric circles contain radii of 5cm and 48mm. The particle traveling at 0.25 m/s smashes to the inner surface of the outer sphere. When the potential of the spherical capacitor is 50 V,
Compute formula for logarithmic function, y=logb^(ax) where a and b are real constants such that ax>0 and b>o, b≠1, whose graph passes through points (48,2) and (3072, 4).
What happened to the composition of the halide mixture during that time when a student left some alkyl halides (RBr and RCl) in an open pot for several minutes?
The three moles of oxygen gas (3 moles of O2) are positioned in a portable container having a volume of .0035m^3. When the temperature of the gas is 295 C, determine the (i) pressure of the gas and
Develop the molecular orbital diagrams for the hypothetical He2+ and He2 species. Based on these models, determine which species is more likely to exist? Also discuss would either of these
A rubber ball of 0.44 kg has a speed of 1.50 m/s at point A and kinetic energy of 7.3J at point B. (i) Find the kinetic energy of ball at A.
How much will the person earning median amount earn until retirement if he or she joins work force instantly after high school graduation without going to college?
Evaluate the temperature change as a pure liquid which is converted to a solid at its freezing point with the temperature change as a solution is converted to a solid at its freezing?
Determine the approximate molecular weight of this unknown compound which is having the empirical formula of C2 H3Cl2.
A balloon is filled by helium at a pressure of 2.4x 10^5 Pa. The balloon is at a temperature of 18C and consists of a radius of .25m. Determine the number of helium atoms which are contained in the
A horizontal pipe carries oil having coefficient of viscosity .00012N s / m^2. The diameter of the pipe is around 5.2 cm and its length is 55m. Determine the volume flow rate in this case?
Water flows via a horizontal tube of diameter 2.8 cm which is connected to a second horizontal tube of diameter 1.6cm. The pressure difference among the tubes is 7.5 kPa. Determine the speed of flow
When a solution which is having 100ml of an acid, HA and 100ml of the solution of a base, BOH, are mixed in a calorimeter, the heat capacity of the calorimeter is 10.5 J/Co and the temperature
A balloon of 3.2 kg is filled with helium having density .179kg/m^3. When the balloon is a sphere having a radius of 4.9 m, determine the maximum weight it can lift?