D It is released or absorbed.
Explanation:
To form a solution, energy is absorbed or released in the process.
A solution is a substance made up of solute dissolved in a solvent. The solute is the dissolved substance where as the solvent is the dissolving medium.
- To form a solution, solutes are dissolved.
- In this dissolution reaction, energy is used to break bonds within the solute to bring them in contact with the solvent.
- The combination of the solute with the solvent is a bond formation process.
- Bond formation is an exothermic process in which energy is released.
- Bond breaking process is endothermic in which energy is absorbed.
- To form solutions, bonds are formed and broken.
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Your answer is A. Vibrate in place
Answer:
Ali hear the sound in 0.046 seconds.
Explanation:
Given:
Distance between Ali and Abdi = 300m
Speed of sound in steel = 6500m/s
To Find :
How much sooner does Ali hear the sound = ?
Solution:
We can find the time in which the sound made by Abdi with a stone on the rail by using the speed formula
We know that
On substituting the given values,
Time = 0.046 seconds
I guess it’s d) isobaric mate correct me if I am wrong :D