Answer: The answer is C. A mercury thermometer is better to measure very small changes in temperature.
Explanation:
i took this quiz and this is the answer .
A) A mercury thermometer can measure the freezing point of a liquid that freezes at −80 °C.
B) An alcohol thermometer can measure the boiling point of a liquid that boils at 80 °C.
C) A mercury thermometer is better to measure very small changes in temperature.
D) An alcohol thermometer is better to measure the boiling points of colorless liquids.
<span>A capital letter or a combination of a capital letter and a small letter that is used to represent an element is called Chemical symbol.
</span>All chemical elements have their chemical symbols consisting of one or two Latin letters. A chemical symbol is a chemical element mark. For the symbol of a chemical element it takes the first letter of its name in Latin, and if several elements have a name that begins with the same letter, in most of the symbols there is another characteristic letter from the name. The symbols are written in a large Latin letter, and if there is another letter, it is written a small.
I really cant read it sorry i tried
Answer:
Explanation:
Assume Ksp of 
=
( it is general value ,i took it because not given in question)
molar solubilty means how much maximum mole of lead thiocynate is dissolved in one litre of solvent.
Ksp=solubility product;
Lets molar solubilty of 
is S then
![[Pb^{+2}]=S;](https://tex.z-dn.net/?f=%5BPb%5E%7B%2B2%7D%5D%3DS%3B)
![[SCN^{-1} ]=2S;](https://tex.z-dn.net/?f=%5BSCN%5E%7B-1%7D%20%5D%3D2S%3B)
