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Alona [7]
3 years ago
12

You are working a crime scene and discover a weapon. How do you pick up the weapon so you do not disturb

Chemistry
2 answers:
11Alexandr11 [23.1K]3 years ago
3 0

Answer:

you pick it up with gloves and make minimal contact with it

Feliz [49]3 years ago
3 0
You would pick up the weapon with gloves from the bottom, this insures that you have minimal contact with it and not much DNA is wiped off.
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4. How many grams of hydrogen is produced from 12.5 g of Mg reacting with hydrochloric acid in this
Volgvan

From the reactions, 1.04 g of H2 and 7.995 g of aluminum phosphate is produced.

<h3>What is stoichiometry?</h3>

The term stoichiometry has to do with the amount of substances that participates in a reaction.

For reaction 1;

Mg + 2HCl → MgCl₂ + H₂

Number of moles of Mg reacted =  12.5 g/24g/mol = 0.52 moles

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0.52 moles produces 0.52 moles of H2

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For reaction 2;

2Li3PO4 + Al2(SO4)3 → 3Li2SO4 + 2AIPO4

Number of moles of lithium phosphate =  7.5 g/116 g/mol = 0.065 moles

2 moles of Li3PO4 produced 2 moles of AIPO4

0.065 moles of  Li3PO4 produced 0.065 moles of AIPO4

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Learn more about stoichiometry:brainly.com/question/9743981

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8 0
2 years ago
The removal of one or more electrons from a neutral atom results in and
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The removal of one or more electrons from a neutral atom results in a cation.

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A.

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