It may take hydrochloric acid hours of boiling to break the pep-tide bond. It is very wonderful that enzyme Pepsin can break it, at room temperature, within hour or two.
is soluble in water and will fizz when hydrochloric acid is added
Mixture of Hydrochloric acid (HCl) and water (H2O)
It is an Acid, known as Hydrogen chloride (and Hydrochloric acid, when it is dissolved in water)
If you need (for example) three parts water and one part hydrochloric acid, that just means you need a 3:1 ratio of water to hydrochloric acid. It could mean three liters of water and one liter of hydrochloric acid, three mL of water and one mL of hydrochloric acid, three cups of water and one cup of hydrochloric acid, etc.
Stomach acid, or hydrochloric acid (HCl), is not an enzyme, because stomach acid is neither a protein nor a catalyst.
hydrochloric acid
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is soluble in water and will fizz when hydrochloric acid is added
Hydrochloric acid is the stronger acid because it ionizes in water, while acetic acid only slightly ionizes in water.
magnesium + hydrochloric acid = magnesium chloride + water
Hydrochloric acid can be either concentrated or dilute, depending on its specific concentration in water.
The Stomach
Lithium actually reacts more with the water the hydrochloric acid is made of more than the hydrochloric acid itself.
Hydrochloric acid doesn't react with water; they form a solution.
The presence of food may trigger release of gastric acid, which is the hydrochloric acid. This in turn activates the inactive protein pepsinogen into pepsin.
71.4mL of 1.75 M hydrochloric acid must be diluted with water to prepare 0.500 L of 0.250 M hydrochloric acid.
Mixture of Hydrochloric acid (HCl) and water (H2O)