Fallen (1998) Gas Chamber Scene

Years ago I saw a movie (possibly B/W) that showed the same scene of the prisoner being executed in a gas chamber and the cyanide egg dropping into the acid. The guard told him to hold his breath when he heard the egg hit, count to 10 and breath hard.

I cannot remember the name of that movie.

Any help appreciated.

That's in I Want to Live! at the 1:57:00 mark or in this clip at about 2:38.

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Thanks. That's great, but I sure don't remember it being a woman. Thanks again.