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nasty-shy [4]
3 years ago
8

Physical and psychological dependence, high-risk behaviour, and chronic high blood

Chemistry
1 answer:
antiseptic1488 [7]3 years ago
6 0

Answer:

Physical and psychological dependence is high, and withdrawal symptoms include watery eyes, runny nose, loss of appetite, irritability, tremors, panic, abdominal cramps and diarrhea, nausea, chills, and sweating. Use of contaminated syringes/needles to inject drugs may result in serious blood borne infections such as HIV-AIDS and hepatitis.

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Compare and contrast the uses of iron triad and the use of coinage metals
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<span>Answer: Iron triad are used in the process to create steel and other metal mixtures. Coinage Metals are used for much more than just coins, and many other elements besides these are made into coins.</span>
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If I had 50 graham cracker squares, 15 marshmallows, and 100 little
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The answer the the question is 22
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What is not a phase of matter
sertanlavr [38]

C. Condensing.

Why: Because, Condensing means  to make something denser or more concentrated.

Hope this helps! ;)

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When you give the molecules in a gas sample more room to move,
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How many ml of a 4.0 M Mg(OH)2 are needed to make 750 ml of 0.2 M Mg(OH)2???
cupoosta [38]

Answer:

37.5 mL of a 4.0 M Mg(OH)₂ are needed to make 750 mL of 0.2 M Mg(OH)₂

Explanation:

Dilution is the reduction in concentration of a chemical in a solution. Dilution consists of lowering the amount of solute per unit volume of solution.

In other words, dilution is the procedure followed to prepare a less concentrated solution from a more concentrated one, and consists of adding solvent to an existing solution. The quantity or mass of the solute is not changed but only that of the solvent.

In dilutions the expression is used:

Ci*Vi = Cf*Vf

where:

  • Ci: initial concentration
  • Vi: initial volume
  • Cf: final concentration
  • Vf: final volume

In this case:

  • Ci: 4 M
  • Vi: ?
  • Cf: 0.2 M
  • Vf: 750 mL

Replacing:

4 M* Vi= 0.2 M* 750 mL

Solving:

Vi=\frac{0.2 M*750 mL}{4 M}

Vi= 37.5 mL

<u><em>37.5 mL of a 4.0 M Mg(OH)₂ are needed to make 750 mL of 0.2 M Mg(OH)₂</em></u>

8 0
2 years ago
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