P,T,Y refers to the set of points which are collinear and is therefore denoted as option C.
<h3>What are Collinear points?</h3>
This is commonly used in geometry and refers to the set of points which lie on the same straight line and are always close to each other when compared to other points. It is possible for them to appear on different planes only and the value by the triangle from the three points is usually zero.
In the example give, only P,T and Y are the points which lie on the same line while other options have points which lie on different lines thereby making them incorrect.
This is therefore the reason why option C was chosen as the most appropriate choice.
Read more about Collinear points here brainly.com/question/18559402
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Answer:
B
Explanation:
The two compounds have different physical properties and different chemical properties despite the fact that they are formed from nitrogen and oxygen.
The melting point of ice is 0 degrees Celcius, which means it exists as a liquid for any temperatures above 0 degrees. The melting point of salt is approximately 800 degrees Celcius, which is way greater than the melting point of ice. This means that for temperatures below 800 degrees, salt exists as a solid.
The temperature of the area where they were placed we can assume was somewhere between 0 and 800 degrees, greater than the melting point of ice but less than the melting point of salt. This why the ice melted but the salt did not.
I hope this helps!
Answer:
Time=345.7 min
Explanation:
It is an example for Faraday's first law of Electrolysis
It states that the amount of substance deposited is directly proportional to the amount of electricity passed.
W=Zit
Z=E/96500
W= E it/96500
And E=58.7(molar mass of Ni)/2(charge on Ni)=29.3
t=W96500/E i
= 29.6x96500/29.3x4.7
= 20742.1 sec
=345.7 min
