At least, because previously Arsenal managed to beat Manchester City, of course, this factor will make it predicted that Arsenal will also win against Chelsea. After all, we are all aware that Chelsea's situation and conditions have been devastated since last season, and have not improved until now.
Since the start of the season, everyone has been aware of how the two clubs are doing. This season, Arsenal has played really well, and they recently defeated Manchester City, which surprised me because I wasn't anticipating a victory from Arsenal. Chelsea's performance has been poor since last season, as we can see, but I can see improvement in Chelsea's performance. Chelsea is currently unpredictable, and they shouldn’t be underestimated. Chelsea will give it everything they've got to beat Arsenal or draw, and even if they don't succeed in winning, they might play draw. Despite the fact that Chelsea's last two opponents were not particularly powerful clubs, I can notice a significant improvement in their performance. Chelsea will be a difficult club for Arsenal to win.
On a normal day with the current form of arsenal and Chelsea I think it will be very clear who the winner would be on paper but since football is a really crazy sport, I can expect the unexpected because arsenal pulled it up against Manchester city as no one would ever believe that they could win the Manchester city as Manchester city has always been a thorn in their flesh but that's the beauty of football, no one knows truly knows the full outcome till the match is decided.