Reef Chemistry Puzzle #7

[Randy Holmes-Farley Verified Community Expert]

Reef Chemistry Puzzle #7

Two clues today...

1. Every natural element has some impact on me, though some more than others.

2. i am not changed in any way by a temperature increase.

What am I?

Good luck!

previous Reef Chemistry Puzzle:

Reef Chemistry Puzzle #6

Reef Chemistry Puzzle #6 Two clues today... 1. In nearly every reef tank, I rise and fall in a daily cycle. 2. My units of measure are given relative to something else. What am I? Good luck! Previous Reef Chemistry Puzzle...

www.reef2reef.com

.

 

[Mellotang]

Water

 

[Mellotang]

Maybe not because if you heat water enough it will Turn to steam and that’s a physical Change

 

[EeyoreIsMySpiritAnimal]

TDS?

 

[Salty_Northerner]

I was thinkiwater as well but pretty hard to drink boiling water so I'm going to say air.

 

[Slocke]

Acidity (not pH) is not changed by temperature and since H+ and OH- will react with almost all elements and I guess that would probably affect their ratio and thus acidity. But what about the noble gases? They wouldn’t react with H+ or OH- so I have no idea.

 

[TokenReefer]

Sodium

 

[Raul-7]

TDS?

It is impacted by temperature change via ion mobility and solubility.

 

[Raul-7]

I'm going to guess Oxygen! Highly reactive. Forms various compounds like H2O, NO3, CO3, SO4, CO2, O3, etc. and then forms organic compounds like alcohols, ketones, carboxylic acids and aldehydes.

It exists as a gas so temperature increases will not impact it.

 

[dennis romano]

Oxygen

 

[Slocke]

If oxygen why not flourine which is far more reactive than oxygen?

 

[EeyoreIsMySpiritAnimal]

.

 

[EeyoreIsMySpiritAnimal]

It is impacted by temperature change via ion mobility and solubility.

Example?

 

[Randy Holmes-Farley Verified Community Expert]

Hint: all molecules move around faster as temperature increases

 

[Miami Reef]

Salinity?

 

[Raul-7]

Salinity?

It has an inverse relationship to temperature.

 

[DCR]

Total Dissolved Solids (TDS) - all elements contribute to it and temperature has no effect

 

[Raul-7]

TDS is directly related to temperature.

That's why lab TDS meters have automatic temperature compensation.

 

[DCR]

That is conductivity which can be correlated to TDS imperfectly and is affected by temperature. We use it because it is a simple test and works well enough for our purposes. True TDS which would be measured by evaporated solids weight is not affected by temperature.

TDS is the concentration of solids in the water. It is not affected by temperature any more than any other mass or weight measurement.

 

[Slocke]

Mass?
Every element affects it in different amount and it is not affected by temperature