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Determine the concentration of H3O+ and the degree of ionization of acetic acid for the above solution. Where the concentration of all type of solutions is 0.10M.
Determine the moment of inertia of the stool with respect to the axis which is perpendicular to the plane of the disk at its center.
Determine the numbers of grams of chromium would be electroplated by passing a constant current of 5.2 amperes through a solution which is having the CrCl3 for 45.0 min?
To 300. mL of this solution is added 15.0 mL of 6.00 M HCl. What is the pH of the resulting solution? A buffer is prepared by mixing 2.00 moles of HCN and 1.00 mole of NaCN in 1.00 liter solution.
The magnetic field within a superconducting solenoid is 3.25T. The solenoid consists of an inner diameter of 5.00cm and a length of 30.0cm. i) Determine the magnetic energy density in the field?
A sample which is having 100.0 mL of 200.0 M methylamine, CH3NH2, is titrated with the 0.100 M HCl. Determine the pH at the equivalence point. Will the solution be BASIC, ACIDIC, or NEUTRAL?
Calculate the initial pH before the titration has begun when a 100.0 mL sample of 0.200 M methylamine, CH3NH2, is titrated with the 0.100 M HCl.
A step-down transformer which transforms 120V ac to 10.0V AC (rms values), and the secondary winding is joined to a purely resistive circuit containing an equivalent resistance of around 2.00O. i)
Discuss why BTB is green in the neutral water solution. In terms of Le Chatelier's principle, why does it turn blue when base is added and yellow when acid is added?
Determine what volume the dry gas occupy at standard conditions. Sixty litters of a gas were collated over water when the barometer read 670 mmHg, and the temperature was 20C.
Calculate the percentage of iron in a 3.0660 gram sample of an acid-soluble iron ore which yields a ferric oxide (Fe2O3) precipitate weighing the 2.0513grams?
Explain why is the given situation not possible? The centers of two homogeneous spheres are 1 m away from each other. The spheres are made up of the similar element from the periodic table. The grav
Determine the percentage of chloride in the original sample when a silver chloride precipitate weighing the 0.2255 grams was obtained from the 0.3448 grams of a soluble salt mixture.
Calculate the advantage of calculating the free energy changes rather than entropy changes to find out the reaction spontaneity?
A ceiling fan is turned on and a total torque of 2.2 N•m is exerted to the blades. The blades encompass a net moment of inertia of 0.26 kg•m2. Determine the angular acceleration of the bla
Determine the percentage of water in the sample when 0.4023 gram samples of impure barium chloride dehydrate weighed 0.3541 grams after it was dried at the 200oC for two hours.
A satellite is in the circular orbit about the Earth at a distance of one Earth radius above the surface. Determine the velocity of the satellite?
Make thetable of electric bills for different amounts of electricity used by the customer with baseline usage of 300 kWh per month.
At what height above sea level does he make the measurement? A mountaineer in the Rockies measures the air pressure to be 10% below that at sea level. At this altitude he finds a small mountain lake
The two point charges of +20.0 µC and -8.00 µC are separated through a distance of 20.0 cm. Determine the intensity of electric field E midway among these two charges?
What will be the resulting temperature of the water in °C if 14.5 kJ of heat are added to a 39.6 g ice cube at (-5.12)°C? When the specific heat capacity of water = 4.18 J K-1 g-1, ice
The light of wavelength 671 nm is incident on the double slit. The angle among the central bright fringe and the second dark fringe is 4.90°. Find out the separation d of the slits.
The formal charge for the H atoms is 0 for the hydronium atom, H3O+. The formal charge is +1 for the O atom. However, O is the most electronegative atom in hydronium.
The cup is inside a perfectly insulated calorimetric container which prevents heat flow with the outside environment. Determine the final temperature (in °C) of the water after equilibrium is ar
Discuss what color would you expect the phenolphthalein into be after being added to the solution left after an alkali metal reacts totally with the water?