contoh kalimat composition of gas

• 1808 Joseph Louis Gay-Lussac collects and discovers several chemical and physical properties of air and of other gases, including experimental proofs of Boyle's and Charles's laws, and of relationships between density and composition of gases.
  1808 Joseph Louis Gay-Lussac mengumpulkan dan menemukan beberapa sifat kimia dan fisika udara dan gas lainnya, termasuk bukti eksperimental tentang hukum Boyle dan Charles, dan hubungan antara densitas dan komposisi gas.