Answer:
BaCl₂ and H₂SO₄
Explanation:
The reaction is the precipitation of BaSO₄ from solution.
This means that our reactants must contain the Ba ion and SO₄²⁻ ion. The reactants that meet this criteria are the; BaCl₂ aand H₂SO₄
The reaction is given as;
BaCl₂ + H₂SO₄ --> BaSO₄ + 2HCl
Answer:
Ranked, Overhead Sprinklers are the worst, followed by flood, with trench being the best option.
Explanation:
Overhead sprinklers waste a lot of water due to evaporation, and are not suitable for fruit like Tomatoes.
Flood irrigation also is wasteful as more soil than necessary is watered. It is also very species limited as most plants do not appreciate a full bath, only a shower.
Trench Irrigation brings water precisely where it is meant to, and loses less water to evaporation of watering what does not need it.
So you had to pick one, use Drip Irrigation instead for a small garden. If these are the only options, go for trench.
Answer:
See explanation
Explanation:
In electrophillic aromatic substitution, an electrophile attacks the aromatic ring and resonance structures are created.
We know that the nature of the substituents already present in the ring determines the position to which the incoming substituent is directed.
-OCH3 is an ortho-para director. If the -OCH3 is present at position 1 and the ring is brominated at position 4, the resonance structures shown in the image attached are observed.
Answer:
D
Explanation:
the earth's plates move slowly
It floats away. Does it get affected by the salt?