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Which type of reactions cannot occur spontaneously endothermic exothermic or neither?
Endothermic reactions cannot occur spontaneously because they require an input of energy to proceed, making them non-favorable under standard conditions without an external energy source. In contrast, exothermic reactions can occur spontaneously as they release energy, often leading to a decrease in free energy. Therefore, the correct answer is that endothermic reactions cannot occur spontaneously.
What else can I help you with?
Is copper exothermic or endothermic?
Copper is neither exothermic nor endothermic. Exothermic and endothermic describe reactions that release or absorb heat, respectively. Copper itself does not undergo a reaction that releases or absorbs heat, so it does not fall into either category.
Is cooling a beer endothermic or exothermic?
Endothermic and exothermic reactions are chemical reactions where as cooling a beer is simply moving heat from one place to another. So to answer your question, cooling a beer is neither endothermic, nor exothermic, it is thermally neutral. That is to say that ( not counting heat generated by inefficiency ) the amount of heat remains constant throughout the "cooling" process.
Is addition exothermic or endothermic?
Addition of numbers is neither exothermic nor endothermic because it does not involve any chemical reactions or energy transfers between substances. It is a mathematical operation performed to find the sum of two or more numbers.
Is a sponge Exothermic or Endothermic?
A sponge itself is neither exothermic nor endothermic; these terms refer to chemical reactions or processes that either release or absorb heat. However, when a sponge absorbs water, this process can be considered endothermic because it requires energy to break the bonds between water molecules. In contrast, when a sponge dries out, the release of moisture could be seen as exothermic, as it involves the release of energy.
Is propagation of sound exothermic or endothermic process?
Propagation of sound is not a chemical reaction, so it is neither exothermic nor endothermic. Sound propagation involves the transfer of mechanical energy through a medium, such as air or water, as vibrations. This process does not involve the release or absorption of heat.
Is copper exothermic or endothermic?
Copper is neither exothermic nor endothermic. Exothermic and endothermic describe reactions that release or absorb heat, respectively. Copper itself does not undergo a reaction that releases or absorbs heat, so it does not fall into either category.
Is cooling a beer endothermic or exothermic?
Endothermic and exothermic reactions are chemical reactions where as cooling a beer is simply moving heat from one place to another. So to answer your question, cooling a beer is neither endothermic, nor exothermic, it is thermally neutral. That is to say that ( not counting heat generated by inefficiency ) the amount of heat remains constant throughout the "cooling" process.
Is solid exothermic or endothermic?
A solid is itself neither endothermic or exothermic. However the phase change from liquid to solid will likely be exothermic.
Is addition exothermic or endothermic?
Addition of numbers is neither exothermic nor endothermic because it does not involve any chemical reactions or energy transfers between substances. It is a mathematical operation performed to find the sum of two or more numbers.
Is silicon endothermic or exothermic?
Silicon is neither endothermic nor exothermic on its own. Endothermic and exothermic refer to the absorption or release of heat during a chemical reaction, which silicon does not undergo in its elemental form.
When clothes are drying is it an endothermic or an exothermic reaction?
The process of clothes drying is not a chemical reaction, so it is neither endothermic nor exothermic. It is a physical process where water evaporates from the fabric due to heat energy, resulting in the drying of the clothes.
Is a sponge Exothermic or Endothermic?
A sponge itself is neither exothermic nor endothermic; these terms refer to chemical reactions or processes that either release or absorb heat. However, when a sponge absorbs water, this process can be considered endothermic because it requires energy to break the bonds between water molecules. In contrast, when a sponge dries out, the release of moisture could be seen as exothermic, as it involves the release of energy.
Are titrations endothermic or exothermic?
In thermometric titration the reaction enthalpy is used to follow the chemical reaction. I guess it dépends on the titration reaction it can be exothermic or endothermic. ΔHr (molar heat of reaction) negative (indicating an exothermic reaction) or positive (indicating an endothermic reaction
Is acid rain an exothermic or endothermic reaction?
The formation of acid rain involves an exothermic reaction. This occurs when pollutants like sulfur dioxide and nitrogen oxides combine with water vapor in the atmosphere to form sulfuric acid and nitric acid, releasing heat in the process.
Is propagation of sound exothermic or endothermic process?
Propagation of sound is not a chemical reaction, so it is neither exothermic nor endothermic. Sound propagation involves the transfer of mechanical energy through a medium, such as air or water, as vibrations. This process does not involve the release or absorption of heat.
Is cold pack exothermic or endothermic?
Endothermic- a change in which energy is taken in. The melting of ice is an endothermic change. Ice absorbs thermal energy from its surroundings when it melts. That's why you pack drinks and food in an ice-filled picnic cooler to keep them cold. So yes an ice cube is endothermic.
Is a thermos endothermic or exothermic?
Endothermic: absorbs energy from surroundings in the form of heat. ie. outside temperature loses heat. Exothermic: releases energy into surroundings in the form of heat ie. outside temperature gains heat. Seeing as a thermos is supposed to MAINTAIN the temperature of its contents, it is neither.
