0
What else can I help you with?
During photosynthesis what chemical reaction gives off heat?
During photosynthesis, no chemical reaction gives off heat. Photosynthesis is an endothermic process, meaning it requires energy in the form of sunlight to convert carbon dioxide and water into glucose and oxygen.
Is photosynthesis a chemical property?
The energy provided by absorbing light can substitute for the heat energy that usually accelerates chemical reactions. More fundamentally, any endothermic chemical reaction can occur because an increase in entropy compensates for any heat absorbed by the reaction to make the free energy change negative.
What kind of bond does a exothermic reaction have?
Whether a reaction is exothermic or endothermic is not dependent upon the type of bond. Exothermic reactions can involve ionic or covalent bonds. When an ionic substance dissolves, it is often an exothermic reaction, as are many reactions involving covalent bonds, such as combustion.
How does heat affect the enzymes in a chemical reaction?
At excessive temperatures, enzymes usually denature or break down into other molecules, thus failing to preform their specific function.Other than that, heat does not affect enzymes much but it does increase the speed of the reaction.
How does heat speed up chemical reactions?
Heating a substance makes its particles move more rapidly and collide more frequently. When they collide, bonds between the particles are broken and new ones are more easily formed with the particles of other substances. Heating substances, therefore, usually causes the rate of a chemical reaction to increase.
What is the type of chemical reaction in which heat energy is producing?
exothermic reaction
Do glow sticks produce heat?
Glow sticks do not produce heat as they operate through a chemical reaction, rather than a heat-producing process like combustion. The reaction involves a chemical compound inside the stick being mixed with a separate chemical compound, which produces light without generating heat.
Is producing heat chemical or physical change?
Producing heat is usually a physical change because it does not involve the formation of new substances. Heat is often a result of changes in energy levels or motion of particles in a system, rather than a chemical reaction that creates entirely new molecules.
What is producing light without heat?
Bioluminescence is the production of light without heat by living organisms such as fireflies, certain deep-sea creatures, and bioluminescent fungi. It occurs through a chemical reaction that converts chemical energy into light energy, without producing significant heat as a byproduct.
What is the relationship between the heat of reaction and the chemical reaction?
The heat of reaction is the amount of heat released or absorbed during a chemical reaction. It is a measure of the energy change that occurs as reactants are converted into products. The relationship between the heat of reaction and the chemical reaction is that the heat of reaction indicates whether a reaction is exothermic (releases heat) or endothermic (absorbs heat).
What is a thermochemical reaction?
A thermochemical reaction is a chemical reaction that involves the absorption or release of heat. This heat exchange is responsible for changes in the temperature of the system during the reaction. Thermochemical reactions are important in understanding processes such as combustion, photosynthesis, and digestion.
When heat is increased does the chemical reaction speed up?
The effect of heat on a chemical reaction will depend on whether the chemical reaction is exothermic (producing heat), or endothermic (requiring an input of heat). If the reaction is endothermic, then adding heat will increase the speed, but the opposite is true for an exothermic reaction.
What is a heat reaction?
This the heat released during a chemical reaction.
When does heat equal enthalpy in a chemical reaction?
Heat equals enthalpy in a chemical reaction when the reaction is carried out at constant pressure.
Is endothermic a chemical reaction?
Yes. A chemical reaction which absorbs heat during the reaction. The opposite to exothermic which releases heat during the reaction.
What is the relationship between the heat of reaction and a chemical reaction?
The heat of reaction is the amount of heat energy released or absorbed during a chemical reaction. It is a measure of the reaction's energy change. The relationship between the heat of reaction and a chemical reaction is that the heat of reaction indicates whether a reaction is exothermic (releases heat) or endothermic (absorbs heat). This information helps us understand the energy changes that occur during the reaction.
A chemical reaction that gives off heat is most likely to be what?
An endothermic reaction is one that consumes heat.
