Each synagogue has its own Rabbi. Some communities have a Rabbi whose authority is more widely recognized, but not all.
The Great Belz Synagogue in Jerusalem is likely the biggest Jewish synagogue in the world currently.
At a Jewish funeral home or synagogue or at the graveside.
Yes, synagogues are Jewish.
A synagogue.
No one worships the synagogue itself. God is worshiped in the synagogue.
There is no such thing as a "Hebrew Church". The Jewish religion does not have churches or an "overseeing" body, the way Christian religions do. Judaism is not an "organized" religion in the way that the Church is organized. If the question is asking what the Jewish house of worship is, it is called a synagogue. To learn more about Jewish Houses of Worship, please see the Related Question below.
A synagogue is a Jewish house of worship, study, and assembly, but anyone can enter.
they pray and sing
In the synagogue.
a synagogue
The largest Jewish Synagogue in the world is probably the Beiz Great Synagogue in Jerusalem, Israel. The main sanctuary can seat up to six thousand people.
I think you mean Jewish "chapel" - it's a synagogue.