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2 years ago

Which phrase best describes the main reason that scientists reproduce the results of other scientists?

Chemistry

2 answers:

saveliy_v [14]2 years ago

8 0

Answer:

Reproducibility

Explanation:

Reproducibility or replication means that the results of scientific studies can be exactly obtained by other scientists working independently but following the same procedure as described in a previous scientific study.

Scientific research is generally expected to be utterly reproducible in all ramifications.

However, due to insufficient information regarding research methodologies,bias in reportage of research findings and poor experimental design, some scientific studies may not be readily reproducible.

Leya [2.2K]2 years ago

4 0

Answer:

This is a form of peer review

Explanation:

This is used to validate the work of the other scientists and add veracity to findings or question the findings. This peer review is used to improve the quality of research in science. Peer-reviewed articles provide a trusted form of scientific communication.

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Which buffer would be better able to hold a steady pH on the addition of strong acid, buffer 1 or buffer 2? Explain. Buffer 1: a

Talja [164]

Answer:

Buffer 1.

Explanation:

Ammonia is a weak base. It acts like a Bronsted-Lowry Base when it reacts with hydrogen ions.

$\rm NH_3\; (aq) + H^{+}\; (aq) \to {NH_4}^{+}\; (aq)$ .

$\rm NH_3$ gains one hydrogen ion to produce the ammonium ion $\rm {NH_4}^{+}$ . In other words, $\rm {NH_4}^{+}$ is the conjugate acid of the weak base $\rm NH_3$ .

Both buffer 1 and 2 include

the weak base ammonia $\rm NH_3$ , and
the conjugate acid of the weak base $\rm {NH_4}^{+}$ .

The ammonia $\rm NH_3$ in the solution will react with hydrogen ions as they are added to the solution:

$\rm NH_3\; (aq) + H^{+}\; (aq) \to {NH_4}^{+}\; (aq)$ .

There are more $\rm NH_3$ in the buffer 1 than in buffer 2. It will take more strong acid to react with the majority of $\rm NH_3$ in the solution. Conversely, the pH of buffer 1 will be more steady than that in buffer 2 when the same amount of acid has been added.

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2 years ago

How many total electrons can the p orbitals hold? A. 6 B. 2 C. 10 D. 3

mars1129 [50]

Answer:

A. 6

Explanation:

hope it helps

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2 years ago

Read 2 more answers

When a rock is wrapped in aluminum foil, the radiation detected from the 29

zalisa [80]

Answer:

gamma

Explanation:

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2 years ago

What is the pH of a 2.5 x 10-5 M solution of HCI?

aalyn [17]

Answer:

The pH of the solution is 4.60.

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 +)

pH= -log (2,5 x 10-5)

pH=4.60

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2 years ago

What is the theoretical yield of a reaction?

mestny [16]

I think it's D, because theoretical yield is like, the yield you'd get if 100% of the reactants formed to make product. Well that's how I think of it, but it has something to do with limiting reagents and stuff. Sorry this isn't a really detailed explanation.

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2 years ago