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SCORPION-xisa [38]
3 years ago
12

during the electrolysis of an aqueous solution of sodium nitrate, a gas forms at the anode, what gas is it?

Chemistry
1 answer:
Anuta_ua [19.1K]3 years ago
4 0

Answer: The answer is B

Explanation:

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Hydrogen bonds are
ella [17]

Answer:

c

Explanation:

hydrogen bonds are initially weak and collectively strong because they are partially positive ions

3 0
3 years ago
Write electron configurations for Gallium, Ga (Z=31), and show the total valence electrons
ivann1987 [24]

<u>Answer:</u> The electronic configuration of gallium is written below and number of valence electrons is 3.

<u>Explanation:</u>

Electronic configuration is defined as the representation of electrons around the nucleus of an atom.

Number of electrons in an atom is determined by the atomic number of that atom.

Valence electrons are defined as the electrons present in the outermost shell of an atom.

We are given:

An element Gallium having atomic number as 31.

Number of electrons = 31

Electronic configuration of Gallium is: (Z=31):1s^22s^22p^63s^23p^64s^23d^{10}4p^1

This element has 3 electrons in its outermost shell. So, the number of valence electrons is 3

Hence, the electronic configuration of gallium is written below and number of valence electrons is 3.

3 0
3 years ago
What mass of sodium bicarbonate do you start with
valentina_108 [34]

Answer:

84.007 g/mol

Explanation:

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5 0
3 years ago
What contains elements with similar properties in the periodic table?
Nataly [62]
A) a column

example: earth alkaline metals
6 0
3 years ago
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When coke burns in air then evolved gas is​
Arturiano [62]

Answer:

Explanation:

Carbon (coke) burns in air to form carbon dioxide gas.

(i) C(s) + O2 ↑= CO2 ↑

7 0
3 years ago
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