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Chemical reactions involve the transformation of reactants into products through the breaking and forming of chemical bonds. They often require energy input, such as heat or light, to initiate the reaction. During a chemical reaction, the mass of the reactants equals the mass of the products, in accordance with the law of conservation of mass. Additionally, reactions can be classified as exothermic or endothermic based on whether they release or absorb energy.
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Enzymes are catalysts. This means that they are able to speed up chemical reactions. statements is also true of enzyme catalysts?
Yes, it is correct.
Is it true that catalyst speed chemical reactions but are not changed by them?
Yes, it's true.
What statements are true about chemical bonding?
Energy is absorbed to break bonds. When bonds are formed, energy is released
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
What chemical reaction produces the sun and energy?
These are not chemical reactions but thermonuclear reactions.
Enzymes are catalysts. This means that they are able to speed up chemical reactions. statements is also true of enzyme catalysts?
Yes, it is correct.
Enzymes are catalysts. This means that they are able to speed up chemical reactions. Which of the following statements is also true of enzyme catalysts?
They occur more quickly than reactions without enzymes.They occur more quickly than reactions without enzymes.
What statements is true about enzymes?
One thing that is true about enzymes is that enzymes speed up metabolic processes and are highly specific.
Which of the following statements about enzymes is not true A are catalysts B almost all enzymes are proteins C operate most efficiently at optimum pH D destroyed during chemical reactions?
Enzymes are not destroyed during chemical reactions.
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.
Chemical reactions that occur in cells are called biochemical reactions?
yes. true.
Is it true that catalyst speed chemical reactions but are not changed by them?
Yes, it's true.
Which of the following statements about the light reactions of photosynthesis are true?
The light reactions occur in the thylakoid membrane of the chloroplast. The primary goal of the light reactions is to convert light energy into chemical energy in the form of ATP and NADPH. Water is split during the light reactions to provide electrons for the photosystems. The light reactions produce oxygen as a byproduct.
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.
What statements are true about chemical bonding?
Energy is absorbed to break bonds. When bonds are formed, energy is released
