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harkovskaia [24]
3 years ago
7

How did coroners handle their responsibilities in the early 1900s? Why was there a need for significant change in the job?

Chemistry
1 answer:
Lorico [155]3 years ago
3 0

Answer:

In the twentieth century, criminologists and forensics strive to summarize the preceding discoveries. In different countries tendencies are beginning to manifest that increase the field of criminological activity in different branches such as criminalistics in Germany; others, penology; and others like the United States, weighed the study as a whole of the science of crime and the science of social reaction provoked by it. In this century, criminology and forensic science had a notable influence on the evolution of criminal law.

Starting in the mid-20th century, a paradigm shift in forensic criminological science was presented, focusing on the study of three aspects: criminal processes, the social environment, and the victim.

Other factors that were taken into account were biosecurity care, which began to have great relevance and greater care since they began to discover infectious diseases transmitted by cadavers to humans.

Approximately in 1939 it was discovered that anthropometric measurements are values that present similarities between different skeleton patterns.

Explanation:

Legal dentistry also addresses the aspect related to “professions” and people's habits, for example, by 1925 it was already possible to identify a smoker by the coloration that the teeth took and the wear on the incisors and canines where the cigar rested. The morphological characteristics of the teeth were, in many cases, used to identify those they called "degenerates", who were the ones who went outside the guidelines of psychic "normality" of the time; among these were prostitutes, thieves, who according to the author had a considerable volume in the molars, the canines were triangular and long, like the upper central incisors that in some reached 8 mm.

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Find the mass of one mole of FeSO4. Show your addition and multiplication
myrzilka [38]

Answer:

151g/mol

Explanation:

1 Fe =55  1 S =32 4 O =64

7 0
4 years ago
What is the pH of a 0.1 M HCl solution?
sesenic [268]

Answer:

The pH of the solution is 1.00

Explanation:

The pH gives us an idea of the acidity or basicity of a solution. More precisely, it indicates the concentration of H30 + ions present in said solution. The pH scale ranges from 0 to 14: from 0 to 7 corresponds to acid solutions, 7 neutral solutions and between 7 and 14 basic solutions. It is calculated as:

pH = -log (H30 +)

The concentration of the H30+ ions is 0,1M:

pH= -log (0,1)

<em>pH=1.00</em>

8 0
3 years ago
An ideal gas does not exist.
ozzi

Answer:

an ideal gas does not exist except as a conceptual notion, an ideal. Physicists and chemists idealized the behaviour of real gases so that they could explain these phenomena. Under conditions of low pressure and high temperature, all gases behave like real gases, even gases such as UF6 .

5 0
3 years ago
In your own words, explain the periodic law.
mote1985 [20]

    States that the properties of elements are periodic or recurring and are correlated to their atomic number.

6 0
4 years ago
Mixing Strong Acids with Strong Bases What is the pH of the solution that results from mixing 8.00 mL of 0.030 M perchloric acid
garik1379 [7]

Answer: PH= 1.4

Explanation:

n(mole)= concentration(c)× volume(v)

n(HClO4) = 0.08 ×0.03

n(HClO4)= 0.0024 mole

n(Ba(OH)2) = 0.28 × 0.05

n(Ba(OH)2) = 0.014

2HClO4 + Ba(OH)2.....>Ba(ClO4)2 + 2H2O.

Hence, the limiting reagent is perchloric acid. According to the reaction:

0.0024 HClO4 req 1/2× 0.0024 of Ba(OH)2.

n(Ba(OH) reacted= 0.0012

Excess n(Ba(OH)2) = 0.014-0.0012

Excess n(Ba(OH)2) = 0.0128

Conc(Ba(OH)2) unreacted = 0.0128/.32 (vol. of mix is 32ml)

= 0.04M = [H+]

PH = -log[0.04] = 1.397

PH= 1.4

6 0
3 years ago
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