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Gekata [30.6K]
3 years ago
12

When one atom contributes both bonding electrons in a single covalent bond, the bond is called a(n) ____?

Chemistry
2 answers:
andre [41]3 years ago
7 0
Coordinate covalent bond 
Damm [24]3 years ago
7 0

Answer:

coordinate covalent bond

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At present, fusion reactions... Group of answer choices produce the energy in some nuclear power plants. cannot be used to produ
Triss [41]

Answer:

cannot be used to produce energy in reactors.  

Explanation:

Currently, there is no reactor that can allow the use of nuclear fusion, although nuclear plants use nuclear fission reactors.

Nuclear fusion happens when thousands of atoms collide with each other when they are in the midst of extreme conditions of literature and pressure. This collision causes the atoms to fuse, creating another element. The process releases amounts of light and heat, promoting a high release of energy. This whole process occurs without the release of CO2 into the atmosphere, without the release of toxic waste and without the risk of explosions, which makes nuclear plants have a strong interest in building a reactor to use this type of energy. For this reason, scientists from different countries have collaborated with each other on a project called Iter, which seeks to build a reactor and achieve the first reaction in 2025.

8 0
3 years ago
How many hydrogen atoms are present in 2.00 mg of aspartame?
Arlecino [84]
2.167   \times 10^{22}
3 0
3 years ago
Read 2 more answers
In the reaction Zn(s) + NO3- → (aq) Zn2+ (aq) + NH4+ (aq) which element is reduced?
anyanavicka [17]

Answer:  N (the Nitrogen)

Explanation:

Reduction refers to a decrease in oxidation number/state due to the gaining of electrons. As such the species that is being reduced will show a decrease in oxidation state.

Based on the redox rules,

Zn(s) has oxidation number of 0 [<em>rule 1: the oxidation number of an element in its free (uncombined) state is zero</em>]

Zn²⁺ has oxidation number of +2 [<em>rule 2: The oxidation number of a monatomic (one-atom) ion is the same as the charge on the ion</em>]

Now, since Nitrogen is enbedded in a polyatomic ion in both cases, you have to do a bit a calculation to obtain  the oxidation state.

For NO₃⁻  :   N + (-2 × 3) = -1

                              N - 6 = -1

                                    N = 5

<em>[Rule 3: The sum of all oxidation numbers in a polyatomic (many-atom) ion is equal to the charge on the ion; Rule 6: The oxidation state of hydrogen in a compound is usually +1]</em>

<em />

For NH₄⁺ :

          N + (4 x 1) = 1

                 N + 4 = 1

                       N = -3

[<em>Rule 3: The sum of all oxidation numbers in a polyatomic (many-atom) ion is equal to the charge on the ion; Rule 5: The oxidation number of oxygen in a compound is usually –2]</em>

Therefore, Zn moves from oxidation state of 0 to +2 (oxidation), while N moves from +5 to -3 (reduction).

4 0
2 years ago
HELPPPPPP!!!!!
Leokris [45]
Answer 1 is correct because 1 atm =10^5 so 1.25 atm will be equal to 1.25 *10 ^5
8 0
3 years ago
Read 2 more answers
Sodium (Na) reacts with nitrogen gas (N2) to produce sodium nitride. If a student collects 2.5 moles of sodium nitride (NaN3) af
zaharov [31]

Answer:

1.67 moles of N2 produce 2.5moles of NaN3

Explanation:

Equation of reaction:

2Na + 3N₂ → 2NaN₃

From the equation of reaction, 3 moles of N₂ produces 2 moles of NaN₃

How much is gotten from 2.5moles of 2NaN₃?

2 moles of N₂ = 3 moles of NaN₃

X moles of N₂ = 2.5 moles of NaN₃

X = (2.5 × 2) / 3

X = 1.67moles of N₂

1.67 moles of N₂ produces 2.5moles of NaN₃

8 0
3 years ago
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