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Elena L [17]
3 years ago
12

The reactant of a chemical reaction

Chemistry
1 answer:
Debora [2.8K]3 years ago
8 0
The 2 in front of the oxygen gas and the 2 in front of the water vapor are called the reaction<span> coefficients. They indicate the number of each </span>chemical<span> species that reacts or is formed. Methane and oxygen (oxygen is a diatomic — two-atom — element) are </span>the reactants<span>, while carbon dioxide and water are the products. hope i helped</span>
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Write the condensed ground-state electron configurations of these transition metal ions, and state which are paramagnetic:
jok3333 [9.3K]

Answer:

a) Mo the electron configuration: 42Mo: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d4

Mo3+ - is Paramagnetic

b) Au - [Xe] 4f14 5d10 6s1

For Au+ is not paramagnetic

c) Mn - [Ar] 3d5 4s2

Mn2+ is paramagnetic

d)Hf -[Xe] 4f¹⁴ 5d² 6s²

Hf2+ is not paramagnetic

Explanation:

An atom becomes positively charged when it looses an electron.

Diamagnetism in atom occurs whenever two electrons in an orbital paired equalises with a total spin of 0.

Paramagnetism in atom occurs whenever at least one orbital of an atom has a net spin of electron. That is a paramagnetic electron is just an unpaired electron in the atom.

Here is a twist even if an atom have ten diamagnetic electrons, the presence of at least one paramagnetic electron, makes it to be considered as a paramagnetic atom.

Simply put paramagnetic elements are one that have unpaired electrons, whereas diamagnetic elements do have paired electron.

3 0
2 years ago
Glucose is the monomer in the natural polymers ____________________ and cellulose.
Olin [163]

Answer:

Starch

I hope this helps

5 0
2 years ago
How many atoms are in 3.5 moles of NaCl?
Ivenika [448]

Answer:

2.11  ×10²⁴ atoms

Explanation:

Given data:

Number of moles of NaCl = 3.5 mol

Number of atoms = ?

Solution:

It is known that 1 mole contain 6.022×10²³ atoms. The number 6.022×10²³ is called Avogadro number.

3.5 mol ×6.022×10²³ atoms / 1 mol

21.1 ×10²³ atoms

2.11  ×10²⁴ atoms

5 0
2 years ago
Which is an example of a mixture?
suter [353]
Trail mix becasue it is a mixture of different things
4 0
2 years ago
Which type of rock does Florian predict these pieces will change into when subjected to heat and pressure?
Strike441 [17]

Answer:

The Florian predict the metamorphic rocks because it changes when subjected to heat and pressure.

Explanation:

i hope this helps

6 0
3 years ago
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