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Fofino [41]
3 years ago
13

What value must be known if the accuracy of an experiment is to be determined​

Chemistry
1 answer:
andrezito [222]3 years ago
7 0

To evaluate the accuracy of a measurement, the measured value must be compared to the correct value. To evaluate the precision of a measurement, you must compare the values of two or more repeated measurements.
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Select the correct answer
vekshin1

Answer:

Temperature

Explanation:

Kinetic energy of gass molecules is directly propotional to the temperature.

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3 years ago
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1. Which one of the following best describe sublimation?
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D. Sublimation is a solid turning directly into a gas
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What did Dalton’s atomic theory teach
sweet-ann [11.9K]

Answer:

  • All matter is composed of atoms.
  • Atoms are not destructible.
  • Compounds formation occur by the combination of one or different types of atoms
  • In the chemical reactions, atoms are rearranged.
  • The atom of the same elements are similar in size and properties and the Atoms of the different elements are different in size and properties.

Explanation:

  • <u>John Dalton has developed the Dalton atomic theory.</u>
  • Dalton atomic theory was the first to explain that all matters composed of atoms and its properties, the atom as the smallest particle which cannot be destroyed and damaged.
  • This theory was based on the <u>law of conservation of mass and law of constant composition.</u>
  • His theory was accepted by many scientists.

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During transcription, RNA polymerase encounters the sequence of DNA
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Answer:

it 123456789 •-• ™ I h--e yu hehehe

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2 years ago
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The primitive atmosphere of Earth may have favored the abiotic synthesis of organic molecules because it __________.
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Answer and Explanation:

The primitive atmosphere of Earth may have favored the abiotic synthesis of organic molecules because it **had close to no oxygen, hence, it was powerfully reducing. It had pure energy sources too in form of ultraviolet rays from the sun (it was extremely hot! Too hot for water in liquid form to exist in fact!), outgassing from the numerous volcanoes and lightning**.

Abiotic synthesis means a formation reaction where the reactants are charged to become products, almost all on their own, with no catalyst especially.

So, these factors would have helped the organic molecules to form as most of what is needed to overcome the energy barrier and become products.

7 0
3 years ago
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