PbSO4 -> PbSO3 + O2 type of reaction

Substance x has a fixed volume, and the attraction between its particles is strong .substance y had widely spread out particles and can be compressed what can most likely be concluded about these substances

Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer