An adiabatically stretched metal wire cools down. Explain this phenomenon using thermodynamics and microscopic properties of materials

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?

The ammonia molecule in the diagram has the observed bond orientation because