Answer:
The answer to your question is below
Explanation:
Carboxyl group is the characteristic group of carboxylic acids.
It is composed by 1 atom of carbon, 2 atoms of oxygen and 1 atom of hydrogen.
Its structure is - COOH
Out of the options, the best indicator is a color change since it is the only one that can't really be blamed on a physical change. you will eventually notice that during qualitative labs and some quantitative labs, usually the thing that you are looking for is either color change or the production of a precipitate to indicate the presence of a chemical reaction
C.
Because the spinal cord functions primarily in the transmission of neural signals between the brain and the rest of the body
1.8 L
<h3>
Explanation</h3>
The volume of a gas, V, is inversely proportional to the pressure on it, P. That is:
V₁ · T₁ = V₂ · T₂.
Rearranging gives:
V₂ = V₁ · T₁ / T₂ = 4.2 × (101 / 235) = 1.8 L
Answer:
Potassium phosphide (K3P)
