1. Explain why methamphetaminie is often converted to methanphetamine hydrochlor
ID: 854799 • Letter: 1
Question
1. Explain why methamphetaminie is often converted to methanphetamine hydrochloride.
2. Some of the minerals found in rocks dissolve in water as it flows over the rocks. Would these minerals dissolve more quickly ....
a. at the bottom of a waterfall or in a still pond, why?
b. in a cold mountain stream or in the warmer water downstream, why?
c. over larger rocks over sand composed of the same material, why?
3. Solutions are called dilute when the concentration of the solute in solution is relatively low and concentrated when the concentration is relatively high. Can a solution be both dilute and sturated? explain.
Explanation / Answer
1. Methamphetaminie is a good base, so when it reacts with HCl it accepts the proton and converts readily to methamphetaminie hydrochloride.
2. a. Minerals on rock dissolve more quickly at the bottom of a waterfall due to its high velocity than compared to water velocity in a still pond.
b. Minerals on rock dissolve more quickly in warm stream than in cold stream as the solubility will be more at high temperatures.
c. Minerals on rock dissolve more quickly over sand than in rock due to high porosity.
3. To a saturated solution, if solute is added it will not dissolve any more. But to a dilute solution if solute is added further, it dissolves. Thus, a solution cannot be both dilute and saturated.
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