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The magnetization vector of magnet is primarily at an angle of 30° with the direction of the external field. Determine the magnetic torque applied on the magnet?
A radio station is permitted to broadcast at an average power not to surpass 26 kW. If electric field amplitude of 0.019 V/m is considered to be adequate for receiving the radio transmission, approx
The two train running opposite at a speed of 30Km/hour. Suppose that distance between the two train is 60Km at specific moment. A bird (flying speed 60 Km/Hour) flies from one train to the other. De
You can avoid the rotational motion of the earth and asteroid around the sun. When the mission fails, determine how many hours is it until the asteroid impacts the earth?
Charge q1 = 15.0 nC is positioned at 59.5 cm from charge q2, in the positive direction. When q2 consists of a charge of -37.0 nC and is at the origin. Determine the point (in cm) all along the strai
Determine the speed of the blood in the aorta? Suppose that the speed of sound in human body is around1540 m/s
Demonstrate the good rule of thumb for designing a simple magnetic coil? Particularly, given a circular coil of radius ~1cm, determine the estimated magnitude of the magnetic field, in gauss per amp
When the smallest time change which can be reliably detected is 1.0 s, determine the smallest change in average temperature which can be measured?
Write down the condensed ground-state electron configurations of these transition metal ions, and state which are paramagnetic:
Determine ΔU for the process. Assume the gas behaves as a van der Waals gas under these conditions when a sample of 2.0 mol of N2 (Cv, m= 1.5R) is initially at 100 bar and 301.15K. The sample
Determine the activation energy for this reaction when heated to a high temperature, cyclo-propane is converted to propane; the rate constants for this reaction are 1.10 x 10-4 s-1 at 470o
Discuss what volume will 5.4 moles of sulfur hexafluoride (SF6) gas occupy if the temperature and pressure of the gas are 128°C and 9.4 atm?
Calculate the enthalpy of vaporization. For water, at its boiling point, the entropy of vaporization is118 J/(K mol). Assume a pressure of 1 atm.
A 0.4512g of the primary standard Na2CO3 needed 36.44mL of HCl solution to reach the endpoint in the reaction. How can obtain the molarity of HCl?
Identify the expected change in temperature for 3.5 g of NH4NO3dissolved in the 75.0 mL of H2O. Assume that the calorimeter absorbs no heat, ie: C cal=0
Analyze the average kinetic and potential energies,(Ekinetic) and (Epotential), for the ground state (n=0) of the harmonic oscillator by carrying out the appropriate integrations.
Determine the average vibrational amplitude of the quantum harmonic oscillator about its equilibrium value, (x), for the ground state (n=0) and first two excited states (n=1 and n=2). Determine the
Determine the average of the square of the vibrational amplitude of the quantum harmonic oscillator about its equilibrium value (x2), for the ground state (n=0) and the first 2excited states (n=1 and
What was the original concentration (molarity) of the NaOH soluation? This new solution is then titrated with 10.02 mL of standardized KOH which has a molarity of 0.09883 M until the equivalence poi
If the zero point energy were converted to translational energy, calculate what would be the speed of the masses?
Calculate the pH value of this solution when a solution of benzoic acid is titrated with NaOH until the solution is 0.45M in benzoic acid and 0.55M in sodium benzoate.
The tablet was dissolved in, and reacted with, an excess amount of HCL (125.00ml of 0.101 M HCl). A Tums tablet weighed 1.319g. The excess un-reacted HCL was titrated with the NaOH: 17.85 ml of 0.10
Cyclohexane with a 3-carbon chain attached (there is a Br attached to the C that is attached to the cyclohexane molecule)
Determine the average rate constant, k. be sure to give the correct units. Determine the tail rate of the reaction when [A]=0.0500M and [B]=0.175M
Determine the average rate of the reaction M/s over the entire time interval.Determine the value of the rate constant, K?Determine the half -life in seconds for the reaction.