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Determine the ratio of secondary to primary turns of the transformer N2/N1 ........what power should be supplied to the transformer if the rms secondary current is 8.00mA.
At STP it is found that 250 mL of gas has a mass of 1.00g. Explain what density of air at 1.00 atm and 30 C is what? Illustrate what formula to use, how to set it up, determine the number is in rega
A transformer having 340 turns in its primary coil and 30 turns in its secondary coil is designed to deliver the average power of 1590 W having a maximum voltage of 62 V. Determine the maximum curr
Directions are to determine the quadratic function f(x)= ax^2 + bx + c which satisfies given condition. Graph passes through (2, -1), zeros of f are 1 and 3.
Of the coil is rotated from a place where it makes an angle of 37.0 degrees with a magnetic field of 2.00T to a position perpendicular to the field. The rotation takes 5.00*10-2s. Determine the aver
If Ka is small enough to ignore the value of x then how do you know? And which x's do you ignore and discuss which one do you use to find the value of x?
For the reaction expressed by the equation 6Li(s) + N2(g) --> 2Li3N(s), calculate the mass of lithium nitride that can be formed from a reaction mixture of 10 g lithium and 10 g nitrogen gas.
Draw a series RLC circuit which will resonate at a frequency (not an angular frequency) of 60.0 Hz and will generate at resonance a magnification of the voltage across the capacitor or the inductor
Explain the concentration of the solution, the molar absorption coefficient of a solute at 440 nm is 423dm3mol-1cm-1, when the light of threat wavelength passes through a 6.50 mm cell containing a s
A 12000 W light bulb (yes, there are such things!) operates at Irms = 95 A and Vrms = 160 V in a 60.0-Hz AC circuit. Determine the self-inductance, L, of this bulb. The capacitive reactance is negligi
Write equation for the line which is parallel to y=2/3x-4 and passes through point (-3,8). Write an equation for the line that i perpendicular to y=-4x+7 and passes through point(2,-5).
Determine the frequency and wave number of the J = 2 ← 1transition in the pure rotational spectrum of12C16O. Does the frequency increase or decrease if centrifugal distortion is considered? The e
A spring is hanged vertically from a support. The spring’s spring constant is around 26.1 N/m. A student added a mass of 1.50 kg to the end of the spring.
The heat absorbed by the water and by the rest of the calorimeter must be calculated separately and then added together. An alternative approach to bomb calorimetric is to establish the heat capacit
Determine the (i) x-component and (ii) y-component of the velocity of the third part? (iii) Determine how much energy is liberated in the explosion? Avoid effects due to the gravitational force.
Determine the pH after addition of 0.00, 4.00, 37.50, 50.00and 53.00 mL of 0.1000 M HCl to a) 50mL of0.1000 M HCl solution b)50mL of 0.0750 M NaOH
Why is it important to allow the level of the liquid in the column to drop to the level of the silica gel before applying the compound to be separated, once the chromatographic column has been prepa
A variable capacitor employed in an RLC circuit generates a resonant frequency of 3.70 MHz if its capacitance is set to 13.1 pF. Determine the resonant frequency be if the capacitance is raised to 3
Illastrate that the overall process is equivalent to an isothermal expansion of the gas at T from V to 3V, where V is the original volume.
A capacitor having capacitance C = 4.60 x 10-6 F is joined to an AC power source having a peak value of 12.0 V and f = 110 Hz. i) Determine the reactance of the capacitor.
At 400deg C the 2.00 mol of NOCl was placed in a 2.00 L reaction vessel. After equilibrium was established, it was found that 24percent of the NOCl had dissociated according to the reaction:
A capacitor of 2.70 µF is completely charged by being joined to a 6.0-V battery. The fully charged capacitor is then joined to an inductor of 0.170-H. i) Compute the maximum current in the ind
Calculate the amount of heat given off when the 1.26 X104 g of ammonia is formed according to the equation:
A wheel consists of a radius of 4.1m. How far (path length) does a point on the circumference travel when the wheel is rotated through angles of 30 degrees, 30 rad, and 30 rev, correspondingly.
Alcoholic fermentation is the process in which carbohydrates are broken down into the carbon dioxide and ethanol. The reaction is very complex and includes a number or enzyme-catalyzed steps.