Vinicius Waldow

4 Questions 6 Answers 0 Followers

Questions related from Vinicius Waldow

What is the boiling point of seawater at atmospheric pressure?

Pure water freezes at 0 °C and boils at 100 °C under atmospheric pressure (1 atm). Salinity affects both the freezing and the boiling point of water. I have found that seawater (considering the...

23 August 2021 4,379 7 View

What is the range of environmental redox potential (Eh) that microbial life is capable of thriving?

In the literature about extremophiles, it is common to find the range of temperature, hydrostatic pressure, pH, salinity and water activity over which living organisms are able to thrive (i.e.,...

13 August 2021 578 4 View

What's the pKa of the phosphate group in DNA and RNA molecules?

Phosphoric acid, when free in solution, is a triprotic acid with pKa1 = 2.2, pKa2 = 7.2, and pKa3 = 12.4. But most of the phosphate groups in DNA and RNA molecules participate in phosphodiester...

24 March 2020 5,093 15 View

What is the reduction potential of DNRA or nitrate ammonification?

The redox tower or thermodynamic ladder is the ideia that there is an hierarchy among microbial groups according to the reduction potential of the electron acceptors that they reduce in...

16 December 2017 6,234 0 View