Translation of "Johnny" in Chinese

Johnny proposed to Alice and she accepted.

約翰向愛麗絲求婚，而且她接受了。

Johnny was a chemist; now Johnny is no more. For what he thought was water, was H2SO4.

Johny以前是個化學家，但現在Johny不再是了。他以前所想的是水，是硫酸。