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Is a substance that increases the rate of a chemical reaction?

It is a catalyst.


How does temperature aff ect the rate of chemical changes?

An increase in temperature increases the rate of most, but not all, chemical reactions.


Do enzymes speed up a chemical reactions?

Ensymes speed up a chemical reaction by acting as organic catalyst, a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.


Is decay rate a chemical or physical property?

Decay rate is a chemical property, as it relates to the rate at which a substance undergoes chemical reactions or transformations over time.


Does the rate of chemical reactions slow as the temperature rises?

No. The speed of all chemical rections increases when temperature rises.


The rate of chemical weathering increases with this?

The rate of chemical weathering increases with temperature, presence of water, and acidity (low pH). These factors accelerate the chemical reactions that break down rocks and minerals.


How can photosynthesis be increased by increasing the temperature?

Temperature affects living things mainly by affecting the rate of chemical reactions. These are catalysed by enzymes, which are speeded up by increasing the temperature. The Calvin cycle is a series of chemical reactions, so increasing the temperature increases the rate of reactions in the Calvin cycle and so increases the rate of photosynthesis.


Type of protein found in all living things that increases the rate of chemical reactions?

enzyme


How does increasing temperature increases rate reaction?

Temperature can increase and decrease the rate of reactions. Heat increases, while cold decreases the rate of reaction. With the help of enzymes.


What is the substance called that increases the rate of reactions in living systems?

A catalyst is any chemical that speeds up a chemical reaction. It does this by lowering the activation energy required for the reaction to take place. A catalyst that occurs in an organism is called an enzyme.


Does the rate constant increase with temperature in chemical reactions?

Yes, the rate constant generally increases with temperature in chemical reactions due to the higher energy of the reacting molecules, leading to more frequent and energetic collisions.


How does temperature impact the rate constant in chemical reactions?

Temperature has a direct impact on the rate constant in chemical reactions. Generally, as temperature increases, the rate constant also increases. This is because higher temperatures provide more energy to the reacting molecules, allowing them to collide more frequently and with greater force, leading to a faster reaction rate.