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vichka [17]
3 years ago
6

Atoms that gain an electrons have a _____ Charge?

Chemistry
2 answers:
goldfiish [28.3K]3 years ago
6 0
Negative charge some extra characters
ddd [48]3 years ago
3 0

Answer:

positive

Explanation:

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A buffer solution is prepared by adding NaH2PO4 to a solution of H3PO4 (phosphoric acid).
Softa [21]

Answer:

remains the same

Explanation:

4 0
3 years ago
According to kinetic molecular theory, there are no forces of attraction between the particles of a liquid. TRUE FALSE
Dmitry [639]
FALSE cause that particles can't do that
4 0
3 years ago
A 410 L volume of nitrogen gas is cooled from 61 C to -25 C. What is the volume of the nitrogen at the lower temperature if all
Lena [83]

Answer:

304.5\text{L}

Explanation:

Here, we want to get the volume of the nitrogen gas at the lower temperature

From Charles' law, we know that volume and temperature (in Kelvin) are directly proportion

The mathematical relationship is:

\frac{V_1}{T_1}\text{ = }\frac{V_2}{T_2}

Where:

V1 is the initial volume which is 410 L

V2 is the final volume which is unknown

T1 is the initial temperature which we will convert to Kelvin by adding 273.15 K, we have it as 61 + 273.15 = 334.15 K

T2 is the final temperature which we have to convert to Kelvin by adding it to 273.15K : We have that as -25 + 273.15 = 248.15 K

Substituting the values, we have it that:

\begin{gathered} \frac{410}{334.15}\text{ = }\frac{V_2}{248.15} \\  \\ V_2\text{ = }\frac{248.15\text{ }\times410}{334.15} \\  \\ V_2\text{ = 304.5 L} \end{gathered}

6 0
2 years ago
The oxidation number of an atom is shown with a
Assoli18 [71]

Answer:

The oxidation number of an atom is the charge it appears to have when you count the electrons according to some arbitrary rules. The oxidation number of an atom depends on the other atoms in the substance.

Explanation:

For example, In KCl, the oxidation number of Cl is 0.

3 0
3 years ago
In a given chemical reaction, the energy of the products is less than the energy of the reactants. Which statement is true for t
HACTEHA [7]

Answer:

Energy is released in this reaction possibly in the form of heat thus it is an exergonic and or exothermic reaction.

The energy is sometimes transferred as heat, inflicting the reaction mixture and its surroundings to become hotter. The temperature increase may be detected employing a measuring device. Some samples of exothermic reactions are: Combustion .An chemical reaction may be a chemical process that releases energy by lightweight or heat.

Explanation:

6 0
3 years ago
Read 2 more answers
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