When a metallic element is converted to a positive ion during a chemical reaction with oxygen, the element is said to be?

Chemistry

1 answer:

Orlov [11]3 years ago

5 0

The metal is being oxidized.

Metals- along with other elements- are neutral and have oxidation state of $0$ in their respective elementary states.

Metal atoms can lose electrons to electronegative elements such as oxygen on exposure. Atoms that have lost one or more negatively-charged electrons are no longer neutral and demonstrate a positive charge. Those atoms have converted to positively charged ions or cations.

Oxidation is the process of losing electrons whereas Reduction refers to the process of gaining electrons. "OIL RIG." Metal atoms here lose electrons and are thus oxidized.

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How much does one mole of carbon weigh (round to two decimal places)? Make sure your answer has units.

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The number of atoms present in carbon, specifically Carbon-12, is the number of atoms present in 1 gram of the substance. One moles of the substance weighs approximately 12.01 g/mole. The unit suggests that every mole of carbon weighs 12.01 grams.

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Sulfur does not dissolve in water but it does dissolve in carbon disulfide

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It is really difficult to dissolve the sulfur substance because not only is it polar, but it is composed of long S-chains and not only atoms. So, water cannot dissolve the sulfur because nonpolar compounds do not dissolve in polar solvents. Sulfur doesn't always dissolve with nonpolar solvents, as well. However, since carbon disulfide also contains S-chains, it is the best solvent that would dissolve sulfur.

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if you can’t already tell by the amount of questions i do not understand chemistry lol, giving brainliest

Vladimir [108]

Answer:

Ok, so the process here is to convert the mass of H2 (hydrogen gas) to moles by dividing the mass by the molar mass of H2. Once you have the moles then you have to multiply by the STP (standard temperature and pressure) molar volume which should be 22.4.

Molar mass of H2 = (1.01)x2 = 2.02g/mol

19.3/2.02 = 9.55 moles

Now just multiply the moles by the molar volume

9.55 moles x 22.4 = 213.92 Litres of H2 are in 19.3g of H2

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2 years ago

In an experiment, two unknown compounds (one an alcohol and the other an ether) of equal molecular mass were dissolved in water.

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For formation of hydrogen bond, the electronegative atom (F, Oand N) must be attached to hydrogen and in ethers (ROR), there is no hydrogen directly attached to electronegative oxygen atom, thus are less soluble in water.

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3 years ago

(NEED ANSWER NOW)

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Answer:it’s C

Explanation:

A distant luminous object travels rapidly away from an observer.

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