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3 years ago

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

Chemistry

2 answers:

saveliy_v [14]3 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]3 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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The specific heat of zinc is 0.39 J/g*°C. How much energy needed to change the temperature of 34g of zinc from 22°C to 57°C. Is

Svetlanka [38]

Answer:

464.1 J absorbed.

Explanation:

Given data:

Specific heat of zinc = 0.39 J/g°C

Mass of zinc = 34 g

Temperature changes = 22°C to 57°C

Energy absorbed or released = ?

Solution:

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT = 57°C - 22°C

ΔT = 35°C

Q = m.c. ΔT

Q = 34 g. 0.39 J/g°C. 35°C

Q = 464.1 J

6 0

2 years ago

A rectangular block has the following dimensions: 3.21 dm, 5.83 cm, and 1.84 in. The block has a mass of 1.94 kg. What is the de

spin [16.1K]

The density of the rectangular block in g/mL is 7.0.

Given the following data:

Mass of block = 22.8 gra1.94 kg

Length of block = 3.21 cm

Width of block = 5.83 cm

Height of block = 1.84 in.

To find the density of the block in g/mL:

First of all, we would determine the volume of the rectangular block by using the following formula:

$Volume = length$ × $width$ × $height$

Conversion:

1 in = 2.54 cm

5.83 in = X cm

Cross-multiplying, we have:

$X = 2.54(5.83)\\\\X = 14.81 \; cm$

$Volume = 3.21$ × $5.83$ × $14.81$

Volume = 277.16 cubic centimeters.

Note: Milliliter (mL) is the same as cubic centimeters.

1000 grams = 1 kg

Y grams = 1.94 kg

Cross-multiplying, we have:

Y = 1940 grams

Now, we can find the density:

$Density = \frac{Mass}{Volume}\\\\Density = \frac{1940}{277.16}$

Density = 7.0 g/mL

Therefore, the density of the rectangular block in g/mL is 7.0.

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2 years ago

Which system consists of nerves that initiate communication?

LenKa [72]

Peripheral nervous system consists of nerves that help in communication among different parts of the body. In nervous system nerves are used to take and deliver messages. These messages are taken from different parts of the body to brain and these nerves are spreading all over the body.

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3 years ago

Read 2 more answers

The result of one experiment carried out by a research team would be considered valid if

Kaylis [27]

Where is the rest of the question.

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2 years ago

What is quality in science

strojnjashka [21]

The standard of something as measured against other things of a similar kind; the degree of excellence of something

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2 years ago