Answer:
Option A. to build new cells.
Explanation:
All living things need nitrogen for the production of new cell because nitrogen is the main structural component of the cell. Protein is made up of amino acid and amino acid made of nitrogen. Without nitrogen atom, enzymes formation is impossible and we know that enzymes are necessary to speed up the chemical process. So nitrogen is very important for living organisms.
Answer:
4 mL
Explanation:
Use the density formula, d = m/v
Plug in the density and mass to solve for v:
4 = 16/v
4v = 16
v = 4
So, the volume is 4 mL
Baking powder solution has an effect on a diluted hydrochloric acid solution by causing the release of carbon dioxide from sodium bicarbonate, a component of baking soda.
One molecule of backing soda + one molecule of hydrochloric acid yields one molecule of sodium chloride (table salt) + one molecule of carbon dioxide + one molecule of water.
HCl + NaHCO₃=NaCl+H₂CO₃
However, carbonic acid is quite unstable:
H₂CO₃ = CO₂ + H₂O
HCl + NaHCO₃ = NaCl + H₂O (Water) + CO₂.
Effervescence, which is a fast bubble formation, is how liquid releases CO2.
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