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3 years ago

Why is peer review an important part of the scientific process?

Chemistry

2 answers:

ch4aika [34]3 years ago

5 0

The answer is: B. It ensures that the quality of scientific research is maintained.

Peer review is used to maintain quality standards, point to sources of error and improve performance.

Work on project is evaluated by people with similar competences (qualified members of a profession within the relevant field) as the scientist who are performing the work.

It is common in the field of health care.

Consensus is achieved through communication at conferences, the publication process, replication and peer review.

BigorU [14]3 years ago

3 0

I would say B.

Explanation: Peer review improves the quality of research papers.

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A solution of H2SO4(aq) with a molal concentration of 4.80 m has a density of 1.249 g/mL. What is the molar concentration of thi

Naddika [18.5K]

Imagine we have mass of solvent 1kg (1000g)
According to that: $molality =n(solute) / m(solvent) =\ \textgreater \ 4.8m = 4.8mole / 1kg$
= 4.8 mole * 98 g/mole = 470g
$m(H2SO4) = n(H2SO4)*Mr(H2SO4) =\ \textgreater \$ $=\ \textgreater \ Molarity = 4.8 mole / 1.2 L = 4 M$ m(H2SO4) which is =470g

m(solution) = m(H2SO4) + m(solvent) = 470 + 1000 = 1470 g
d(solution) = m(solution) / V(solution) =>
=> 1.249 g/mL = 1470 g / V(solution) =>
$Molarity = n(solute) / V(solution) =\ \textgreater \$

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The answer is hydrogen (H2) because i just answered this question from Edgenuit.

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