How does William Shakespeare create tension throughout Act 3 Scene 1?

From the minute the play starts the audience are aware that the "star crossed lovers" Romeo and Juliet are going to die, this makes it clear that the play is a tragedy. A Tragedy is a traditional form of theatre where the main characters in the play die as a result of their tragic flaw, for example in the tragedy play Macbeth, Macbeth's vaulting ambition leads him to his death. Romeo and Juliet's flaw is the powerful love between them and it means their relationship has to be secret and this leads to Mercutio being killed by Tybalt and Romeo then killing Tybalt. The consequences of Romeo…