Please capitalize where necessary: it is a residential and commercial area in the center of barcelona and is filled with shops, restaurants and bars.
A: It is a residential and commercial area in the center of Barcelona and is filled with shops, restaurants and bars.

Please capitalize where necessary: thus, brazil is at the moment the leader not only in football but also in men's volleyball.
A: Thus, Brazil is at the moment the leader not only in football but also in men's volleyball.

Please capitalize where necessary: significantly lower idle gpu temperature
A: Significantly lower idle GPU temperature

Please capitalize where necessary: 11 and he hath kindled his anger against me, and hath counted me unto him as one of his enemies.
A:
11 And he hath kindled his anger against me, and hath counted me unto him as one of his enemies.