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Which suitable examples differentiate between exothermic and endothermic reaction?
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Which suitable examples differentiate between exothermic and endotherm...
Understanding Exothermic Reactions
Exothermic reactions are chemical reactions that release energy, usually in the form of heat. This energy release often causes the temperature of the surroundings to rise.
Understanding Endothermic Reactions
Endothermic reactions are chemical processes that absorb energy from their surroundings, causing the temperature of the surroundings to drop.
Key Differences
- Energy Change: Exothermic reactions release energy, while endothermic reactions absorb energy.
- Temperature Effect: Exothermic reactions increase the temperature of the surroundings, whereas endothermic reactions decrease it.
- Examples: Common exothermic reactions include combustion and respiration, while photosynthesis and certain dissolving processes are typical endothermic reactions.
Exothermic reactions are chemical reactions that release energy, usually in the form of heat. This energy release often causes the temperature of the surroundings to rise.
- Example: Combustion of Fuels
- When fuels like wood or gasoline burn, they react with oxygen to produce carbon dioxide and water, releasing heat in the process. - Example: Respiration
- In cellular respiration, glucose reacts with oxygen to release energy, which is essential for living organisms to function. - Example: Neutralization Reactions
- When an acid reacts with a base, such as hydrochloric acid with sodium hydroxide, it produces salt and water, releasing heat.
Understanding Endothermic Reactions
Endothermic reactions are chemical processes that absorb energy from their surroundings, causing the temperature of the surroundings to drop.
- Example: Photosynthesis
- Plants absorb sunlight to convert carbon dioxide and water into glucose and oxygen. This process requires energy, making it endothermic. - Example: Dissolving Ammonium Nitrate
- When ammonium nitrate is dissolved in water, it absorbs heat from the surroundings, leading to a temperature decrease. - Example: Baking Soda and Vinegar Reaction
- Mixing baking soda with vinegar absorbs energy, resulting in a cooler temperature as the reaction occurs.
Key Differences
- Energy Change: Exothermic reactions release energy, while endothermic reactions absorb energy.
- Temperature Effect: Exothermic reactions increase the temperature of the surroundings, whereas endothermic reactions decrease it.
- Examples: Common exothermic reactions include combustion and respiration, while photosynthesis and certain dissolving processes are typical endothermic reactions.
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Which suitable examples differentiate between exothermic and endothermic reaction?
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Which suitable examples differentiate between exothermic and endothermic reaction? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Which suitable examples differentiate between exothermic and endothermic reaction? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which suitable examples differentiate between exothermic and endothermic reaction?.
Which suitable examples differentiate between exothermic and endothermic reaction? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Which suitable examples differentiate between exothermic and endothermic reaction? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which suitable examples differentiate between exothermic and endothermic reaction?.
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