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Starfish can not tolerate a wide range of temperatures. When to cold a starfish will shribble up and shrink until death.
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What is the sign of ΔT in an endothermic reaction?
ΔH is the enthalpy of the reaction and will be positive in an endothermic reaction and negative in an exothermic reaction.ΔT designates a change in temperature. T2-T1 = ΔTOften the change in temperature will be negative for an endothermic reaction.
What rough relationship can be infer between temperature and rate of reaction?
reaction rate doubles with every 10 K temperature change
How can you know this is a chemical reaction?
Evidence of a chemical reaction include the following: formation of a precipitate formation of a gas change in temperature change in color
How an increase in temperature change the rate constant of a chemical reaction?
yes ofcourse!
What 2 conditions might change the rate of an enzymatic reaction?
pH and temperature
What is the temperature of a starfish?
Since the starfish is a cold-blooded animal, its body temperature is the same temperature as the surrounding water it lives in. Each starfish's temperature varies.
What is the body temperature of a starfish?
Since the starfish is a cold-blooded animal, its body temperature is the same temperature as the surrounding water it lives in. Each starfish's temperature varies.
What is the sign of ΔT in an endothermic reaction?
ΔH is the enthalpy of the reaction and will be positive in an endothermic reaction and negative in an exothermic reaction.ΔT designates a change in temperature. T2-T1 = ΔTOften the change in temperature will be negative for an endothermic reaction.
How can you change the speed of a reaction?
Temperature can change the speed of some reactions.
How does temperature affect the Keq of a reaction?
Changing the temperature will change Keq. (apex.)
What rough relationship can be infer between temperature and rate of reaction?
reaction rate doubles with every 10 K temperature change
Why does a change in temperature indicate that a chemical reaction may occur?
Because a chemical reaction has different sign's. And heat is one. But if the temperature is dropping then it is not going through a chemical change.
How does temperature affect the keg of a reaction?
changing true temperature will change Keq (apex)
What two types of energy change can occur in a chemical reation?
Two types of energy change that can occur in a chemical reaction are endothermic or exothermic. An exothermic reaction causes an increase in temperature and an endothermic reaction causes a decrease in temperature.
Which are 4 indications of chemical reaction has occurred?
The indicators of a chemical reaction are :- 1. Change in colour 2. Change in temperature 3. Evolution of a gas 4. Formation of a precipitate
3 conditions that will influence the direction a reaction will go?
change in concentration change in temperature change in pressure
What changes the rate of a reaction?
* Presence of enzyme * Change in pH * Change in temperature * Change in salt concentration.
