Mystery Surrounds Disappearance of Famed Arctic Explorer

 In a shocking turn of events, renowned Arctic explorer Dr. Amelia Lee has disappeared without a trace during her latest expedition. Dr. Lee had been conducting research on the effects of climate change on Arctic wildlife when she suddenly vanished. Despite an extensive search effort by her team and local authorities, no sign of Dr. Lee has been found. Her disappearance has sparked widespread concern among the scientific community and those who followed her work closely. Dr. Lee's family and colleagues are left with more questions than answers, as the circumstances of her disappearance remain unclear. Some speculate that foul play may be involved, while others suggest that the harsh Arctic conditions may have played a role. As the search for Dr. Lee continues, people around the world are anxiously awaiting any updates on her whereabouts. Her disappearance has become a trending topic on social media, with many expressing their admiration for her pioneering work in Arctic research. T

What is the molecular mass of O2?

 Molecular mass is a measure of the mass of a molecule and is calculated by adding together the atomic masses of all of the atoms in the molecule. In the case of oxygen gas (O2), the molecular mass is calculated by adding the atomic mass of two oxygen atoms, which is 16.0 g/mol for each oxygen atom. The total molecular mass of O2 is therefore 2 x 16.0 g/mol = 32.0 g/mol.

It is important to note that the atomic mass of an element is the average mass of the atoms of that element, as measured in atomic mass units (amu). The atomic mass of an element is typically given in the periodic table of elements and is based on the relative abundance of the different isotopes of that element in nature. The atomic mass of an element can be used to calculate the molecular mass of a compound by adding together the atomic masses of all of the atoms in the compound.