When we talk of cuvette,we are talking about the instrument we use to hold the solutions that we make use of in the calorimetry experiment and so we will take a measurement of the volume of the solution,if there is some water and other impurities present,we will go ahead to take a measurement of the more volume, however,if some water or other impurities are there,will go ahead and take a measurement of the more volume and now,it will be less of the actual content as a result of some amount of water or impurity in it.
When Concentration = Mass/Volume
A higher volume will be taken, then assumption of mass can be made to be the same because the water or the impurity will as well have mass and as we are taking the mass long also with the mass of the sample when doing this.
Therefore,the concentration will be less.
Light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
Answer:
Option A and C are correct.
Explanation:
First of all, a thermodynamic circle is closed and gotten when our starting and ending points are the same. Now, from the question, we can see that the water starts and ends on the same temperature and pressure. Thus, we can say that a thermodynamic circle has occurred. So, option A is correct.
Now, to achieve a reversible process, there should be no exergy losses could cause rise in exergy entropy. There are two possible causes which we cannot eliminate as both are useful. First is exergy friction while the second cause is heat exchange at different temperatures of heat reservoirs and our cube. This second cause is confirmed because our cube while melting is on lower temperature than it's surrounding. This causes rise in entropy in overall system, thus making the process irreversible. So option C is correct.
Answer:
<h3 /><h3>Working Principle Of Bourdon Gauge </h3><h3 />
If a tube having oval cross section is subjected to pressure its cross section tends to change from oval to circular.
<h3>Construction of a Bordon Gauge </h3>
Bourdon tube gauges consist of a circular tube.
One end of the tube is fixed while the other end is free to undergo elastic deformation under the effect of pressure.
Fixed end is open and pressure which is to be measured is applied at the fixed end.
Free end is closed and undergoes deformation under the effect of pressure.
Due to applied pressure the circular tube tends to uncoil and become straight along the dotted line.
<u>Working of Bourdon Gauge </u>
As the pressure is applied at the fixed end free end undergoes deformation.
The free end is attached with sector which further meshes with the pinion on which pointer is mounted.
Deformation of the pointer is transferred to pointer via this mechanism.
As a result point undergoes deflection and shows the pressure reading on calibrated dial.
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