COM AR - RESPIRAR E ENSINAR
A set of quasi-quantitative experiments are described to relate volume and pressure variations associated to the phase changes of the main components of the air. The processes are promoted by variation of temperature using liquid nitrogen to refrigerate the air and get liquid oxygen, traces of dry i...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Sociedade Brasileira de Química
|
| Series: | Química Nova |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422016000901136&lng=en&tlng=en |