The phenomenon that naturally warms the earth's lower atmosphere and surface is called the greenhouse effect.
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AntoineLavoisier incorrectly characterize light as matter. The correct option is A.
He is best known for discovering the role of oxygen in combustion. Antoine Lavoisier was a Frenchchemist who discovered that air is the source of combustion and acidity. He developed the metric system and debunked the phlogistontheory.
A diligent researcher, Antoine-Laurent Lavoisier, fundamentally changed chemistry. Among his many accomplishments, he established the law of conservation of mass, discovered that combustion and respiration are caused by chemical reactions with what he called "oxygen," and helped systematize chemicalnomenclature.
An element, according to Lavoisier, is a chemicalsubstance that cannot be decomposed using current analyticalmethods.
Mendeleev defined an element as a substance made up of atoms with the same atomic weight. Light is incorrectly described as matter by AntoineLavoisier.
Thus, the correct option is A.
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Light
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Dalton
B.
Rutherford
C.
Democritus
D.
Bohr
E.
Thomson
The scientist is E. Thomson.
In the late nineteenth century, physicist J.J. Thomson started trying different things with cathode beam tubes. Cathode beam cylinders are fixed glass tubes from which the greater part of the air has been emptied. A high voltage is applied crosswise over two terminals toward one side of the cylinder, which makes a light emission stream from the cathode (the contrarily charged anode) to the anode (the emphatically charged cathode).
The cylinders are called cathode beam tubes on the grounds that the molecule bars or “cathode beam” begins at the cathode. The beam can be distinguished by painting a material known as phosphors onto the most distant finish of the cylinder past the anode. The phosphors sparkles, or produces light, when affected by the cathode beam.
The mole ratio of NaOH to Al(OH)3 is
(1) 1:1 (2) 3:1
(3) 1:3 (4) 3:7
Chlorine
Uranium
Ammonia
Among the substances listed, ammonia (NH3) is a compound. The option D (ammonia) is the correct option.
Compounds can have various physical forms, such as solids, liquids, or gases, depending on the specific elements and the nature of their chemical bonds. They can also exhibit a wide range of chemical and physical properties, such as melting point, boiling point, density, solubility, and reactivity.
Chemical formulas are used to represent compound substances, indicating the types and numbers of atoms present in a molecule of the compound. For example, the chemical formula for water is H2O, representing two hydrogen (H) atoms bonded to one oxygen (O) atom. Ammonia is composed of nitrogen (N) and hydrogen (H) atoms bonded together. Carbon (C), chlorine (Cl), and uranium (U) are elements rather than compounds.
Therefore, Ammonia which is option D is the correct option.
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Answer:
Ammonia
Explanation:
Ammonia is a inorganic compound that is made up of single nitrogen atom.
A. Something that helps the scientist analyze the data
O
B. Something that makes the experiment more reliable
O
C. Something that makes the experimental results clearer
O
D. Something that pushes the experimental results one way or
another
SUBMIT
Answer:
D. Something that pushes the experimental results one way or another
Explanation:
Bias is the tendency of a measurement or outcome to be consistently different from what it would be if all preconceived notions or irrelevant influences were removed. It pushes experimental results one way or another.
Answer:
D.Somethingthatpushestheexperimentalresultsonewayoranother.