The volume of chlorine gas measured at STP will be liberated by a current of 2.5 A flowing for a period of 1.8 hours through an aqueous solution of AgCl is 1.88 litre.
<h3>What is Faraday's law ?</h3>
According to Faraday's Law , During Electrolysis , The amount of substance liberated at the cathode or anode is directly proportional to the electricity that is passed through the cell.
The reaction taking place at anode is:
2Cl → Cl₂ +2e −
The total charge is calculated as
Q=I×t= 2.5×1.8×60×60 coulomb
Q = 16200 coulomb
The amount of chlorine liberated by passing 16200 coulomb of electric charge
= 16200/(2*96500)
= 0.084 mole
Volume of Cl₂ at STP is
1 mole at STP has 22.4 L of Gas
0.084 mole of Cl₂ at STP will be equal to 22.4 *0.084 = 1.88 litre of Cl₂
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All the energy goes into melting the ice. Ice and water are <em>at equilibrium</em> during melting, so the temperature does not change.
Once all the ice has melted to water, the temperature will rise.
Answer:
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Answer:
2. LiOH
Explanation:
An Arrhenius base is a substance or chemical compound which increases the number of OH- ions when added in water.
LiOH or lithium hydroxide is one of the strong Arrhenius base as it ionizes completely or near-completely in solution. When LiOH is added to water , it dissociates into lithium (Li+) and hydroxide (OH−) ions.
Hence, the correct answer is 2. LiOH.
Explanation:
1. carbon cycle
all of the physical processes and chemical reactions that result in the movement of carbon between the biosphere (living forms) and the geosphere (water, earth, and atmosphere)
Carbon cycle is the cyclic movement of carbon in various form on earth. This process entails both physical and chemical processes that ensures that carbon moves in different spheres of the earth. Carbon is one of the most important element in life. It is the building block of most organic processes on earth.
2. carbon footprint
a calculation that considers an individual's contribution to the process of global warming based on activities leading to greenhouse gas production
Carbon footprint is important in mapping the quota of carbon emitted into the atmosphere
It is the amount of greenhouse gases contributed into the atmosphere by individuals.
3. global warming
an overall increase in world temperatures that may be caused by additional heat being trapped by greenhouse gases
It is the overall increase in global temperature. It has severe consequences.
Global warming results when greenhouse gases in the atmosphere traps outgoing radiation in an anomalous way.
4. greenhouse gas
components of the air mixture that trap infrared (heat) energy
Greenhouse gases are gases that prevents long wave radiation from leaving the earth surface. They absorb the gases in turn, warming occurs on earth.
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