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Radda [10]
3 years ago
5

Two scientists, Tara and Victor, work in the same scientific field of study. Victor asks Tara to review a research paper that he

wrote to determine if it should be published. After replication, Tara suggests that Victor's paper should not be published and that he should perform his experiment again. What would be the most likely reason she suggests Victor perform his experiment before publication? Tara does not think that Victor's predictions are likely. Tara does not think that Victor's conclusions are important. Tara does not get the same results when she conducts the experiment. Tara does not find other research papers that published similar information
Chemistry
1 answer:
sashaice [31]3 years ago
8 0

Answer:

Tara does not get the same results when she conducts the experiment

Explanation:

<em>The most likely reason Tara suggested to Victor to perform the experiment again before publication would be because she did not get the same results when she conducted the experiment.</em>

A good scientific research or experiment should have an element of reproducibility. In order words, the claim made in published scientific research should be reproducible by any other scientist that decides to replicate the research. <u>Tara repeated Victor's experiment in order to check its reproducibility and when she could not reproduce the results, she had to tell Victor to conduct the experiment again before deciding to publish it.</u>

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Different of an element have different numbers of neutrons.
inna [77]

Answer:

Isotopes  

Explanation:

This is the definition of isotopes: they are atoms of the same element that contain different numbers of neutrons.

4 0
4 years ago
Can someone help me and explain why they got what they got?
allsm [11]

Answer:

24.32 amu

Explanation:

From the question given above, the following data were obtained:

Isotope A (Mg–24):

Mass of A = 24 amu

Abundance (A%) = 79%

Isotope B (Mg–25):

Mass of B = 25 amu

Abundance (B%) = 10%

Isotope C (Mg–26):

Mass of C = 26 amu

Abundance (C%) = 11%

Average atomic mass of Mg =?

Average atomic mass = [(Mass of A × A%)/100] + [(Mass of B × B%)/100] + [(Mass of C × C%)/100]

= [(24 × 79)/100] + [(25 × 10)/100] + [(26 × 11)/100]

= 18.96 + 2.5 + 2.86

= 24.32 amu

Thus, the average atomic mass of Mg is 24.32 amu

7 0
3 years ago
Which of the following statements is/are CORRECT?1. For a chemical system, if the reaction quotient (Q) is greater than K, react
tankabanditka [31]

Explanation:

A chemical equilibrium is defined as the state of reaction in which the rate of forward reaction is equal to the rate of backward reaction.

When Q > K_{eq}, then it means that the reaction is proceeding in the backward reaction. Whereas if Q < K_{eq}, then it means that the reaction is proceeding in the forward direction. Hence, formation of products will be favored.

On the other hand, if Q = K_{eq}, then it means reaction is at equilibrium.

At equilibrium, it is not necessary that the concentrations of products divided by the concentrations of reactants equals one.

Thus, we can conclude that the statement for a chemical system at equilibrium, the forward and reverse rates of reaction are equal, is correct.

8 0
3 years ago
Which of the following chemical formulas shows a covalent compound? A.CO2 B.MgO C. NaCl D.HBr
gogolik [260]
A...because both of them(carbon and oxygen)are nonmetal
5 0
4 years ago
Read 2 more answers
Here is the electron configuration for Argon. What does the coefficient 3 in 3s2 tell us?
topjm [15]

The coefficient 3 represents the electron shell

<h3>Further explanation  </h3>

In an atom there are levels of energy in the shell and sub shell  

This energy level is expressed in the form of electron configurations.  

Writing electron configurations starts from the lowest to the highest sub-shell energy level. There are 4 sub-shells in the shell of an atom, namely s, p, d and f. The maximum number of electrons for each sub shell is  

• s: 2 electrons  

• p: 6 electrons  

• d: 10 electrons and  

• f: 14 electrons  

Charging electrons in the sub shell uses the following sequence:  

<em>1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d¹⁰, 4p⁶, 5s², 4d¹⁰, 5p⁶, 6s², etc.  </em>

Argon is a noble gas element with the symbol Ar with atomic number 18 and mass number 40

Electron configuration: [Ne] 3s²3p⁶

The coefficient 3 represents the electron shell, which is denoted as the quantum number n

This shell consists of 3 sub shells namely 3s, 3p and 3d which have a maximum of 18 electrons (3s = 2 electrons, 3p = 6 electrons and 3d = 10 electrons)

3 0
3 years ago
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