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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.
Determine the molecular mass of the protein ? 14.0 mg of a certain protein was dissolved in the water to make a solution of 4.50 mL at 21.0 o C if the osmotic pressure is 1.25 torr.
The combustion of hydrogen-oxygen mixtures is used to produce very high temperatures required for certain types of welding. Compute the reaction to be
Determine the maximum wavelength of light that will still break these molecules apart. It requires 496.0 kJ/mol to break O2 molecules into atoms.
Discuss what problem will ensue if the level of the developing liquid is higher than applied spot in a TLC analysis? Discuss what will be the result of applying too much compound to a TLC plate?
Determine the maximum number of Cs+ ions that can be formed per joule of energy absorbed by a sample of gaseous Cs atoms?
Determine the pH and the concentrations of bicarbonate, carbonate and the carbonic acid after 10.00mL of 0.100F nitric acid are added to the original solution.
Determine the populations of the first and second excited states relative to the ground state for atomic hydrogen at 300K supposing that it obeys the Maxwell-Boltzmann statistics.
Determine the volume of 1.24 M sulfuric acid determine the volume of 1.24 M sulfuric acid in milliliters that is needed to completely neutralize 40.00 ml of 1.60 M sodium hydroxide.
The time T essential to make the enlargement of the photo negative differs directly as area A of enlargement. If 24 seconds are needed to make the 3-by-4 enlargement, determine time required for 5-
A car of 2000 kg is traveling on a banked curved icy road. The velocity of the car is 25 m/s and the road consists of a radius of curvature of 500 m. When the car is to travel on the icy road withou
At a temperature of 30°C a sample of carbon monoxide was prepared and collected over water a total pressure of 758 torr. It occupied a volume of 262 mL.
A spherical capacitor is made from the two concentric spherical conducting shells separated by air. The Inner sphere consists of radius a = 5 cm and outer has radius b = 10 cm. The capacitor is char
Compute a system of two oppositely charged the sphere hanging by strings and separated by a distance r 1 as shown in the accompanying illustration.