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A device that uses energy of chemical reactions to separate positive and negative charges?
An electrolytic cell utilizes chemical reactions to generate an electric current that separates positive and negative charges at the electrodes. This separation occurs due to the movement of ions in the solution. The cell typically consists of two electrodes immersed in an electrolyte solution where oxidation and reduction reactions take place.
What is the negative color of silver nitrate?
The silver nitrate is originally clear and transparent. Without any chemical reactions or negative ions the color does not change. However, the color of the negative silver nitrate is cloudy and has a whitish, silver, color to it.
Why negative catalyst called inhibitors?
Negative catalysts (inhibitors) are those substances (or factors) which slow down the chemical reactions by decreasing the required activation energy for the reaction, for example the decomposition of Hydrogen peroxide may be slow down by adding a small amount of Glycerin in it.
What is the unique chemical component of a Gram Negative cell wall?
The unique chemical component of a Gram-negative cell wall is lipopolysaccharide (LPS), which consists of lipid A, core polysaccharide, and O antigen. LPS is responsible for the endotoxic properties of Gram-negative bacteria.
What is a small particle that moves outside the nucleus and carry a negative charge?
Electrons are small particles that move outside the nucleus of an atom and carry a negative charge. They play a key role in chemical reactions and the behavior of atoms.
What are the properties and functions of the hoh molecule in chemical reactions?
The H2O molecule, also known as water, has unique properties that make it essential for chemical reactions. It is a polar molecule, meaning it has a positive and negative end, allowing it to dissolve many substances. Water also has a high specific heat capacity, which helps regulate temperature changes in reactions. Additionally, water can act as a solvent, participate in acid-base reactions, and facilitate biological processes.
What is the significance of the hydride charge in chemical reactions involving hydrides?
The hydride charge is important in chemical reactions involving hydrides because it determines the reactivity and properties of the hydride compound. Hydride ions, which have a negative charge, can easily donate electrons to other molecules, leading to various chemical reactions such as reduction reactions. This ability to transfer electrons makes hydrides important in many organic and inorganic reactions.
Can the value of ke be negative?
Yes, the value of the equilibrium constant (Ke) can be negative in certain chemical reactions.
What is the significance of negative reduction potential in the context of chemical reactions?
The negative reduction potential indicates the tendency of a substance to gain electrons in a chemical reaction. It is significant because substances with more negative reduction potentials are more likely to be reduced (gain electrons) and act as electron acceptors in reactions. This helps determine the direction and feasibility of reactions in a system.
Are chemical reactions always spontaneous when H is negative and S is negative?
No, when H and S are both negative, the reaction will only be spontaneous below a certain temperature
Reduction reactions are?
a chemical reaction in which a reactant gains one or more electrons more negative in charge!!
What are the properties of a negatively charged particle?
Negatively charged particles have an excess of electrons, which gives them a negative charge. They are attracted to positively charged particles and repel other negatively charged particles. They can create electric fields and participate in chemical reactions.
Are electrons particles, and what are their properties and behavior?
Yes, electrons are particles with a negative charge that orbit the nucleus of an atom. They have a very small mass and are involved in chemical reactions and electricity. Electrons exhibit wave-particle duality, meaning they can behave as both particles and waves.
What orbits nucleus negative charge?
Electrons orbit the nucleus of an atom and carry a negative charge. The number and arrangement of electrons determine an atom's chemical properties.
What would it mean if the change in mass is negative?
A negative change in mass means that the object has lost mass. It could be due to factors such as evaporation, chemical reactions, or loss of particles.
How is endothermic reactions differ from exothermic reactions?
Endothermic reactions absorb heat from the surroundings, causing a decrease in temperature. In contrast, exothermic reactions release heat into the surroundings, leading to an increase in temperature. Endothermic reactions have a positive enthalpy change, while exothermic reactions have a negative enthalpy change.
Which feedback mechanisms maintain equilibrium of systems like turgor pressure temperature and chemical reactions?
both negative and positive feedback
