Question: Which unit of measure is used to indicate ecell?
Answer: V (Voltage)
Explanation: E cell is a cell potential. The ecell is measured in voltage that is why it is the unit of measure that uses to indicate the e cell.
Seismologists know how to read seismographs and determine the meaning of the data (strength, area, etc.) for the earthquake.
Sound waves are longitudinal waves that is, are transmitted in the same direction of oscillation of the particles in the medium. Electromagnetic waves are transverse ie, the electric and magnetic fields, which are perpendicular to each other, oscillate perpendicularly to the direction of wave propagation.
Some Potassium bromide precipitates out of solution.
Option B.
<h3><u>Explanation:</u></h3>
Solubility is defined as the tendency of a substance to get mixed into a solvent at a particular temperature and pressure. The amount of solubility is defined as the amount of substance in grams which will make a saturated solution of 100ml at a temperature and pressure.
Potassium bromide is a salt and nitrogen is a gas. The solubility of the salts generally increase with temperature in water, and decreases with decrease in temperature. So in case of potassium bromide, the solubility of the salt will decrease, leaving some precipitate in the room temperature.
While in case of gases, the solubility of them do decrease with increase in temperature. So at room temperature, solubility of nitrogen will be more than that in 750°C. So no gas will bubble off.
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