8 Questions 18 Answers 0 Followers
Questions related from Lothar Schuh
1 ton charcoal fixes 3,7 t CO2. The global charcoal production is 54 mio tons, in which 200 mio t CO2 are fixed. 200 times the currently produced charcoal will fix the entire CO2 emitted globally...
30 May 2024 3,643 2 View
Hello, lunar mare basalt (e.g. sample 15015 https://www.lpi.usra.edu/lunar/samples/atlas/detail/?mission=Apollo%2015&sample=15016) shows many voids. On earth this is due to volatilization of...
18 May 2019 8,005 0 View
Hello, when is an adiabatic thermodynamic process (dQ=0) also an isenthalpic (dH=0) process? Regards Lothar
13 November 2018 6,148 13 View
Hello, there are some articles about the chemical nature of the characteristic "odor of rain" when rain begins to fall. Always some chemicals in the soil or surface coming from plants are...
04 August 2018 967 2 View
Hello, pressure p (intensive) and volume V (extensive) are thermodynamic state variables - independent on the way how a state was achieved. pdV =W is work and NOT a state variable, but a...
24 June 2018 5,774 18 View
Hello, nuclear explosion are compressive events causing different P- to S-waves ratio compared to earth quakes being shear-events. Both can be distinguished. But can chemical explosions be...
03 September 2017 6,837 3 View
Hello, breathing on a cold window pane results in a thin film. The observation is: the diameter gets smaller with time and the edge is very dynamic! The center seems unchanged until the "shrinking...
11 February 2017 1,286 3 View
Hello, have a look at a glass of sparkling water or beer. When you observe it over a period of time and the initial heavy sparkling ceased you see a few stationary points, from which very tiny...
06 November 2016 1,134 3 View
