Determine the percentage dissociation ionization
1. Determine how many seconds does it take to deposit 2.87 g Ni on a decorative drawer handle when the 13.1 A is passed through a Ni (NO3)2 solution?
2. Determine the percentage dissociation (ionization) of a 0.10 M solution of hypochlorous acid?
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Find out the induced emf in a circle of tissue of radium 1.6 mm which is perpendicular to the direction of the field.
What is the molarity of the sulphuric acid when a 10.00 mL sample of sulfuric acid from an automobile battery requires 35.08 mL of 2.12 M sodium hydroxide solution for complete neutralization? The reaction is H2SO4 (aq)+2NaOH(aq)=2H2O(i)+N
A typical cell phone conveys microwaves having peak output power of around 2 W. When you suppose the cell phone is a point source, determine what would be radiated power at your brain 5 cm away from it?
a siren consist of an intensity of around 107.2 W/m2 at a certain point, and a second sound wave from a close by ambulance consists of an intensity level 9 dB greater than the siren's sound wave at the similar point. Determine the intensity level
Determine how many seconds does it take to deposit 2.87 g Ni on a decorative drawer handle when the 13.1 A is passed through a Ni (NO3)2 solution?
Suppose 264 g of Na metal is formed. Electrolysis of molten NaCl in a Downs cell is the major isolation step in the production of sodium metal.
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Rust stains can be removed by washing a surface with a dilute solution of oxalic acid (H2C2O4). Explain what mass of rust can be removed by the 1.0 L of a 0.14 M solution of oxalic acid?
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