Mention three properties of hydrogen which makes it possible for filling meteorological balloons ​

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions. what elemental classification does oxygen belongto? done

Draw any one of the skeletal structures of a 2° alkyl bromide having the molecular formula of c6h13br and two stereogenic centers. indicate chirality by using wedge and hashed wedge notation. lone pairs do not need to be shown.