A Competent Authority is the body, which has the authority to act on behalf of the government of a member state to ensure that the requirements of the medical devices directives are carried out in that particular member state.
Definition of Law of Combining Volumes: A relation stating that the relative volumes of gases in a chemical reaction are present in the ratio of small integers (assuming all gases are at the same temperature and pressure). Also Known As: Gay-Lussac's Law. Examples: In the reaction. 2 H2(g) + O2(g) â 2 H2O(g)
work of Gay-Lussac. in Joseph-Louis Gay-Lussac: Searching for laws of nature. ...one were not animated with the desire to discover laws, they would often escape the most enlightened attention.â Of the laws Gay-Lussac discovered, he remains best known for his law of the combining volumes of gases (1808). He had previously (1805) established that hydrogen and oxygen combine by volume in the ratio 2:1 to form water.