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Westkost [7]
2 years ago
12

What is an oxidation reaction? ​

Chemistry
1 answer:
kow [346]2 years ago
7 0
<h3>Definition:</h3>
  • A reaction when an atom or compound loses one or more electrons.

  • It is a reaction is a type of chemical reaction that involves a transfer of electrons between two species.

  • Oxidation is gain of oxygen

<h3>For Example:</h3>

Fe + O2 —(H2O)—> Fe2O3

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What would be the effect on the nucleus of an atom if it emitted one alpha particle and one gamma ray
Oksana_A [137]
Unstable, radioactive atom emits alpha and gamma ray to transform into a stable atom.

Emitting an alpha particle, decreases the mass number by four and atomic number by two.
Emitting gamma ray reduces the excess energy of the radioactive atom.
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2 years ago
What is the covalent bond for Hydrogen + Chlorine (HCI)
kolbaska11 [484]

Answer:

HCl, also known as hydrochloric acid, has a covalent bond. The hydrogen (H) atom shares an electron with the chlorine (Cl) to form the bond.

Explanation:

Consequently, the bonding electrons in hydrogen chloride are shared unequally in a polar covalent bond. The molecule is represented by the conventional Lewis structure, even though the shared electron pair is associated to a larger extent with chlorine than with hydrogen.

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2 years ago
How do I round 10.25 to only 3 significant digits
Lady_Fox [76]
10.3 is good the correct rounding of three sig figures

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3 years ago
Calculate the frequency of a yellow light with a wavelength of 5.60 x 10-9 m.
Whitepunk [10]

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47

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8 0
3 years ago
Sodium hydroxide is a common ingredient in drain cleaners such as Drano. The mole fraction of sodium hydroxide in a saturated aq
SVETLANKA909090 [29]

Answer:

The correct answer to this question is (c) 25.0 m

Explanation:

To solve this we list out the variables thus

mole fraction of sodium hydroxide = 0.310

Mole fraction = number of moles of a component ÷ total number of moles in the solution

Mole fraction = 0.310

In a saturaturated aqueous solution we have NaOH and water

∴ Number of moles of water molecules per unit = 1 - 0.310 = 0.690

However 0.690 moles of H₂O  weighs = 0.690 mole × 18.01528 g/mol =12.43 g = 0.01243 kg of H₂O

But the molality = number of moles per Kilogram of H₂O

therefore molality of NaOH in the sample of solution =

(0.310 mol of NaOH )÷(0.01243 kg of H₂O)

= 24.93 mol/kg or ≅ 25.0 m

5 0
2 years ago
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