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kakasveta [241]
3 years ago
11

If data are from a trusted source and the results are validated by multiple tests, the evidence supporting a scientific claim is

?
a. subjective
b. reliable
c. pseudoscience
d. objective
Chemistry
2 answers:
kykrilka [37]3 years ago
6 0
Reliable; it has been proven to be right in multiple tests, therefore it is a solid data
erastovalidia [21]3 years ago
5 0

The correct option B.

The principle of reliability is very crucial in scientific investigations and it is one of the fundamental principles of scientific methods. Reliability is one of the method that can be used to evaluate how good a scientific research is. Reliability refers to how repeatable a scientific investigation is. A reliable scientific research must give constant results, when conducted by different scientists in different places all over the world.

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How many liters of hydrogen are required to react completely with 2.4L of oxygen to form water? 2H2 + O2 --> 2H2O
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Answer:

2.4 mole of oxygen will react with 2.4 moles of hydrogen

Explanation:

As we know

1 liter = 1000 grams

2H2 + O2 --> 2H2O

Weight of H2 molecule = 2.016 g/mol

Weight of water = 18.01 gram /l

2 mole of oxygen react with 2 mole of H2

2.4 mole of oxygen will react with 2.4 moles of hydrogen

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Explanation:

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Cerrena [4.2K]

Answer:

The science project or the proposed test using the water as a control element in the experiment determines whether you choose to use deionized water or distilled water. Of the two, distilled water is the purest because the water undergoes boiling that kills off most organic contaminants.

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