3. 2 HCl (aq) +
Ba(OH)2 (aq)
--->>
BaCl2 (aq)
+ 2 H20 (1)
Complete lonic:
Net Ionic:
I

Explanation:

balance the equation ...HCl,Ba(OH) and BaCl2 are aqueous

know groups of the elements H 1+ ,Cl -,Ba 2+,OH-

write complete ionic eqution and eliminate spectator ions those appearing on both sides Cl and Ba

i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.