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Calculate the maximum number of electrons that can be freed by a burst of light whose total energy is 1.00μJ? Explain in detail.
If the sodium is irradiated with light of 439 nm, determine the maximum possible kinetic energy of the emitted electrons? Discuss in detail.
Find out the mass of sodium sulphate is required to prepare the 1.26 liters of such a solution when a solution is to be prepared with a sodium ion concentration of 0.542 mol/L.
Determine the function which models number of hours of daylight t days after January 1. Suppose that year has 365 days and that spring equinox, when day is 12 hours long, is on 80th day of year.
Determine the total pressure and the partial pressure of the final mixture when an 11L vessel contains 1.0 molN2 and 2.0 mols H2 at 298.15 K initially. H2 reacts withN2 to form NH3.
At 25.0C determine the entropy of fusion of a compound given that its enthalpy of fusion is having 32 kJ/mol at its melting point of 146C and the molar heat capacities of the liquid and solid forms
Assume you invest $580 at 10% compounded continuously. Write the exponential function to model amount in the investment account.
A pilot, flying at the altitude of 5000 feet, wants to approach numbers on the runway at the angle of 10 degree. Determine, to the nearest 100 feet, distance from the airplane to numbers at beginni
Calculate the reaction that took place in the separatory funnel among the diphenylamine which is dissolved in the ether and excess 5% HCL. Show the phase of all products. The drawing is two benzene
Determine the mass of sodium phosphate is required to prepare 1.40 liters of such a solution? A solution is to be prepared with a sodium ion concentration of 0.591 mol/L.
Find present market value of bond if prevailing market interest rate is 5% per year. Find prevaling market interest rate if current market value of bond is $300.
Suppose if you mix 2.4g of A with 15.3 g of B, then calculate the final weight of AB and the weights of A and B left in the solution.
In the Sahara Desert the incident sunlight at ground level having density of power is 1.44 kWm-2 in July at noon. Calculate the maximum rate of loss of water from a pond in an oasis of area 12m2. (
Atmosphere which is having the temperature of -20°C independent of altitude (h = 29141 ft). Suppose that air at the sea level is 80%N2 and 20% O2.
Calculate the rate of consumption of H2 related to the rate of consumption of N2? Calculate the rate of formation of NH3 related to the rate of consumption of N2?
If you wanted to separate amixture of a basic and a neutral compound, Explain how would you alter the procedure.
A ball having mass 100g is projected into play by liberating the plunger. (i) Determine the speed of the ball if it leaves the spring (that is, its launching speed)?
In accordance to census results, population of India was 846:3 million 1991 and 1:027 billion (1; 027 million) in 2001. Compute annual growth rate of India's population (in percent).
(i) Sketch a diagram of the situation, recognizing the two triangles which are significant to finding the solution. (ii) Determine the angle of incidence of the beam hitting the water-air interface.
Explain why is the upper layer always removed through the top of the separatory funnel rather than allowing it to drain through the bottom?
A Baseball outfielder throws a baseball of 0.150 kg at a speed of 40.0m/s and an initial angle of 30 degrees to the horizontal. By using the work energy theorem, determine the maximum height of the
The ray of light is incident on the surface of a block of clear ice at an angle of 29.0° with the normal. Part of the light is reflected and part is refracted. Determine the angle between the re
If a separatory funnel has the water and chloroform, which layer is the water layer and which layer is the chloroform layer. Describe the emulsion. Calculate one of the main causes of emulsions in org
Determine the energy of the given. Express your answers in units of electron volts, noting that 1 eV = 1.6*10^-19 J.
The box with a 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 volue 500 cubic inches.