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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.
The time-varying emf is 53.0 V at a frequency of 2200 Hz. i) Find out the current in the circuit. ii) Find out the voltage drop across the resistor.
When it was placed in a graduated cylinder which is having the 20.0mL of water, the water level rose to 23.1mL. An object made of aluminum has a mass of 8.37g. Determine the density and gravity of
A gaseous mixture of O2 and N2 which is having the 40.8 % nitrogen by mass. Calculate the partial pressure of oxygen in the mixture if the total pressure is 525 mmHg?
kg is traveling toward a wall in the +x direction with a speed of 15m/s. It strikes the wall and bounces directly back with the speed of 12m/s. Determine its change in momentum In the question above
The forces measured by AFM arise primarily from interactions among the electrons of the stylus and on the surface. To get an idea of the magnitudes of these forces, determine the force acting among
The boat is traveling at 10 mph heading NE and is pushed by the current of 3 mph from south of west. Find speed of boat and resultant direction.
The centrifuge in a medical laboratory rotates at an angular speed of 3 600 rev/min. If switched off, it rotates through 50.0 revolutions before coming to rest. Determine the constant angular accel
Adding 0.1 mol of glucose to 1 L of water elevated the boilingpoint by 0.2 K. What will be the boiling point elevation afteradding 0.1 mol of table salt (NaCl) to 1 L of water?
Calculate the change in Gibbs free energy when 1 mol of ethanol is transferred from an aqueous solution with concentration 0.01 M to an aqueous solution with concentration 0.1 M. Describe your assu
A light ray is incident on the plane interface between 2 media. The ray makes an incident angle having normal of 25 degrees in a medium of n =1.25. Determine the angle which the refracted ray makes
When the perturbation is V(x) = -ε sin ((3πx)/L) and n = 1. Determine the first-order correction to the energy of an electron in a one-dimensional nanoparticle modeled as a particle in a
Utilize the algebraic approach to solve problem. If complement of an the is 10° less than one-sixth of the supplement, determine the measure of angle.