Answer:
OH−(aq), and H+(aq)
Explanation:
Redox reactions may occur in acidic or basic environments. Usually, if a reaction occurs in an acidic environment, hydrogen ions are shown as being part of the reaction system. For instance, in the reduction of the permanganate ion;
MnO4^-(aq) + 8H^+(aq) +5e-------> Mn^2+(aq) + 4H2O(l)
The appearance of hydrogen ion in the reaction equation implies that the process takes place under acidic reaction conditions.
For reactions that take place under basic conditions, the hydroxide ion is part of the reaction equation.
Hence hydrogen ion and hydroxide ion are included in redox reaction half equations depending on the conditions of the reaction whether acidic or basic.
Answer:
In a chemical reaction, chemical equilibrium is the state in which the forward reaction rate and the reverse reaction rate are equal. The result of this equilibrium is that the concentrations of the reactants and the products do not change.
Explanation:
Explanation:
The physical properties of matter tells us everything about the substance when no change is occurring to its constituents.
We observe such properties with our senses or instruments or some apparatus.
Examples are boiling point, melting point, density, viscosity, spectroscopic patterns, state of matter, odor, taste, hardness, texture etc
A chemical property is one that tells us what a substance can do with regards to whether or not the substance reacts with other substances.
Examples are flammability, rusting of iron, precipitation, decomposition of water etc.
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Suelo, grava, bolas de algodón, material de desecho, carbón, arena y astillas de madera.
Suelo, grava, bolas de algodón, material de desecho, carbón vegetal, arena y astillas de madera son los materiales extraídos del medio ambiente que nos permiten mejorar el filtrado del agua porque estos materiales filtran las partículas de polvo así como otras impurezas del agua y hacen que el agua sea potable.
La arena y la grava se consideran buenos filtros de agua porque forman capas permeables que filtran el agua. El agua puede pasar lentamente a través de estas capas permeables y la mayoría de las partículas de suciedad quedan atrapadas, por lo que podemos concluir que los materiales anteriores pueden usarse como filtros de agua.
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The correct answer is option B, that is, CO + H2O → H2 + CO2
The redox reactions are regarded as the chemical reactions in which one reactant goes through the process of reduction and one reactant goes through the process of oxidation. The reduction reactions are the reactions in which gain of electrons occurs, while oxidation reactions are the reactions in which loss of electrons occurs.
From the mentioned options, only option B, that is, CO + H2O → H2 + CO2 is a kind of redox reaction. In this, the carbon is getting oxidized from +2 to +4 oxidation state, and hydrogen is getting reduced from +1 to 0 oxidation state. Hence, this reaction can be regarded as a redox reaction.