Yes but it has changed a little!
The Coat of Arms of Spain has been changed several times since first adopted by the Catholic Monarchs, Ferdinant and Isabella. However, no version of the Coat of Arms of Spain is the same as the Gonzalez family coat of arms.
Technically no, not quite, though they are related concepts. Probably the simplest way of putting it is that a coat of arms is the thing itself, while the blazon is a description of a coat of arms.
Iraq's coat of arms serves the same function as the coat of arms of any other country. It serves as a symbol of the sovereign nation on certain documents and buildings.
Arms were registered so that no two people would have the same arms.
A seal and coat of arms are not the same thing. A coat of arms is a unique heraldic symbol on a shield, tabard or surcoat. Unlike a seal, a coat of arms has a form description which is known as a blazon.
One does not solicit Coat Of Arms from anybody specially non-related or even from a namesake. Asking for one or buying from one is like stealing one's identity. Coat of arms are assigne Coat of Arms dies the symbol does not exist anymore. If a family member wishes to use the same Coat of Arms they would have to apply from the same office. Be careful of people selling other people's identity and you should deveope your own.
depends on the country
There are many Commonwealths in the world, and quite a few Federations. Since a coat of arms is a symbolic representation of an organization, agency, government or other group, each will have a different coat of arms - to distinguish one from all the others.
Victoria's flag is just the same as the normal flag that represents the whole of Australia but there is a crown on top of the five star's we have there. And the coat of arms has a Lion and a Unicorn.
The flag of Mexico was designed by the imperial government of Mexico within one year of independence. Its design was similar to today's design, except the center contained a different national coat of arms. The structure is the same today, except the national coat of arms of Mexico has changed since 1968. Today, it is the recognized pictogram of Tenochtitlan, the center of the Aztec Empire and the modern day capital of Mexico: Mexico City.
Names do not have crests or coats of arms. Some individuals have coats of arms. Some families have crests; and some families of the same name do not.
Ravenclaw house colours are blue and bronze. In the movie, they are blue and grey.