Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

Question: What happened to chemical reactions when temperature increases? Answer: it became faster
Temperature increases. Chemical reactions are faster at higher temperatures.

Question: What enthalpy change is observed in an exothermic reaction? Answer: negative
The reaction is exothermic and thus the sign of the enthalpy change is negative.

Question: What mineral is made of one silicon atom and two oxygen atoms? Answer: quartz
5. Quartz is made of one silicon atom and two oxygen atoms. If you find a mineral and find that it is made of one silicon atom and one oxygen atom is it quartz?.