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Yes, it is purely chemical.
To put it simply:
carbohydrates (in body) with oxygen (inhaled) become carbon dioxide (exhaled) and water (exhaled and excreated). These are all different chemical substances, so this is a chemical change.
(There are also other types of respiration, even without oxygen, but they all are chemical!)
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∙ 13y ago
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Is cellular respiration an example of a physical change or an chemical change?
its a chemical change
Mention situations in daily life where a chemical change occurs?
respiration..
What does cellular respiration convert?
the energy in food moleculesIt oxidizes glucose into ATP. No change in the state.Energy stays as chemical energy
What chemical is broken down by respiration?
glucose is broken down by cellular respiration
How is each compound used in a chemical reaction with cellular respiration and photosynthesis?
How is each compound used in a chemical reaction with cellular respiration and photosynthesis?
Is cellular respiration an example of a physical change or an chemical change?
its a chemical change
Is Cellular respiration is a chemical or physical change?
its a chemical change
Is respiration physical or chemical change?
Chemical.
Is respiration in animals a reversible change or irreversible change?
No, it isnt. There are chemical reactions while breathing.
Chemical change releasing energy in cells?
respiration
Is respiration a chemical change or a physical change?
its a chemical change
Mention situations in daily life where a chemical change occurs?
respiration..
Which of these is naturally occurring processes is a chemical change?
Two common examples are photosynthesis and cellular respiration.
What chemical does it start with in anaerobic respiration?
aerobic respiration
What does cellular respiration convert?
the energy in food moleculesIt oxidizes glucose into ATP. No change in the state.Energy stays as chemical energy
Does respiration invovle chemical energy?
Yes, Chemical energy, exists in the glucose molecule, the main component in cellular respiration.
Is it wrong to say a chemical change is irreversible while physical change is reversible?
Simplistically speaking, the statement is true - not wrong/false. For example, one physical change is to fold paper. After the paper is folded, you can rather effectively unfold it and return it to its original condition. One chemical change is to burn something. After paper is burned, the ashes cannot be "unbunrt" back into paper. However, some chemical changes are reversible. For example, photosynthesis is a chemical change in which water, carbon dioxide, and energy are turned into oxygen and sugars. Respiration is a chemical process in which oxygen and sugars are converted back into water, carbon dioxide, and energy. However, the process of respiration is much more complex than photosynthesis and is not the "reverse" of it, i.e. respiration is non un-photosynthesis.
