Sorry to say, but Eddie does meet his demise in the novel. The way it happens adds a lot of drama and emotion to the story.
I'm not sure exactly. You might have to read through the novel carefully to find out.
In certain comic arcs, Eddie Brock does meet his demise. However, the comic world is full of surprises and resurrections are not uncommon.
Generally, Eddie Brock survives in the comics. However, there have been some complex and alternate storylines where his fate is less certain or temporarily in jeopardy.
Yes, Eddie Longo dies in the story.
No, Venom doesn't impregnate Eddie in the comics. That's not a plot point at all.
Yes, Venom does talk to Eddie in the comics. They have a complex and often intense communication.
In the comics, Venom and Eddie have a unique connection but not one that involves breeding. Their bond is more about mutual influence and power sharing.