Answer:
A: A boulder that is falling after being pushed off a cliff.
C: A pebble in a slingshot before it has been shot.
Explanation:
These are examples of potential energy because they are holding energy before it is released.
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The answer is b
the slow down because of the change of form into solid and they pack together to form the solid
HCL(g) it consists of covalently molecules which are bonded and they do not ionize.
Non-polar solvent molecules do not attract molecules of HCL which cause them to be ionized.
The statements that are true regarding a catalyst are as follows:
It undergoes no permanent change during a reaction
It does not participate in a chemical reaction
What is a catalyst?
A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process.
A catalyst increases the rate at which a chemical reaction occurs by decreasing the activation energy of the reaction.
Since a catalyst is not used up in the reaction, the following statement applies:
It undergoes no permanent change during a reaction
It does not participate in a chemical reaction
Learn more about catalyst at:
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Answer: option B. The number of the outer most energy level for elements in that period
Explanation:
