chemistry question?

1 ⤊

in 1774, Joseph Priestly discovered oxygen when he heated solid mercury(II)oxide, HgO, and produced the element mercury and oxygen gas. Write and balance this equation.

2007-02-04 06:37:31 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

4 answers

2HgO ---> 2 Hg +O2

2007-02-04 06:43:15 · answer #1 · answered by maussy 7 · 1⤊ 0⤋

preparation of oxygen
450* C
2HgO----------------------> 2Hg + O2

the temperature above is 450 degree celcius
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2007-02-04 14:44:57 · answer #2 · answered by 2 · 0⤊ 0⤋

2HgO -> 2Hg + O2

2007-02-04 14:45:01 · answer #3 · answered by gebobs 6 · 0⤊ 0⤋

heat
Hg20--------> 2hg + O

2007-02-04 14:49:56 · answer #4 · answered by 788 2 · 0⤊ 0⤋