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In a closed system, matter cannot enter or leave the system, but energy can still be exchanged with the surroundings. Chemical reactions in a closed system will reach equilibrium, where the rates of the forward and reverse reactions are equal and the concentrations of reactants and products remain constant. The total amount of matter in the system will not change during a reaction in a closed system.
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Why must a container or system be closed or equilibrium to be established?
A container or system must be closed to prevent the exchange of matter with the surroundings, ensuring that all relevant interactions and reactions occur within a defined environment. This isolation allows for the establishment of equilibrium, where the rates of forward and reverse processes equalize, resulting in stable concentrations of reactants and products. In an open system, external influences can disrupt this balance, making it impossible to achieve true equilibrium. Therefore, maintaining a closed system is essential for accurate observations and calculations in thermodynamics and chemical reactions.
Is it true that catalyst speed chemical reactions but are not changed by them?
Yes, it's true.
Is it true that lowering the temperature slows down most chemical reactions?
most chemical reactions dealing with enzymes preform best in a certain small temperature range, so increased or decreased temperatures could result in the slowing down of reactions
When the stabilized state of an equilibrium system is altered further chemical reactions begin until a new equilibrium is reached?
Yes, once the equilibrium of a system is disturbed, the system will react to establish a new equilibrium. This involves shifts in the forward and reverse reactions to minimize the disturbance and reach a stable state again.
Do One enzymes can be used for many different types of chemical reactions is this true or false?
True. Some enzymes are able to catalyze multiple types of chemical reactions due to their flexible active sites that can accommodate different substrates. This versatility allows them to participate in various metabolic pathways within an organism.
What is true about matter during a chemical reaction the mass of the reactions is not related to the mass of the prroduct?
No. In a closed system, the mass of the products should equal the mass of the reactants.
Chemical reactions that occur in cells are called biochemical reactions?
yes. true.
Is it true that at equilibrium, no chemical reactions take place?
At equilibrium, the rates of the forward and reverse reactions are equal, but chemical reactions are still occurring.
Is it true that catalyst speed chemical reactions but are not changed by them?
Yes, it's true.
Is it true that all chemical reactions are reversible?
No, not all chemical reactions are reversible. Some reactions are irreversible, meaning they cannot easily be reversed to reform the original reactants.
Is Electrons in an excited state are more likely to enter into chemical reactions true?
True
Chemical reactions that absorb energy will not occur without a source of energy true or false?
This is true. Energy is required to begin all reactions.
Electrolytes determine most of the chemical and physical reactions of the body?
True
What is true for all exergonic reaction?
One thing that is true for all exergonic reactions is that the reaction continues with a net release of what is called free energy. Exergonic reactions are chemical reactions.
Minimum gibbs free energy is NOT attained by a semipermeable membrane. True or false?
True. The minimum Gibbs free energy is not attained by a semipermeable membrane, as the membrane itself does not participate in any chemical reactions that could lower the system's overall free energy. The minimum free energy is achieved through chemical reactions occurring within the system.
Is this true about balanced chemical equations that they provide the molar ratios of reactants and products in chemical reactions?
Yes.
Is it true that lowering the temperature slows down most chemical reactions?
most chemical reactions dealing with enzymes preform best in a certain small temperature range, so increased or decreased temperatures could result in the slowing down of reactions
