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ch4aika [34]
4 years ago
11

Which of these is a covalent compund A NO2 B LiCl C AlCl3 D Na2S

Chemistry
1 answer:
ElenaW [278]4 years ago
6 0
A. NO2 is a covalent compound
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A compound contains nitrogen and a metal. This compound goes through a combustion reaction such that compound X is produced from
tia_tia [17]

Answer:

The correct answer is: X is nitrogen dioxide, and Y is a metal oxide

Explanation:

Combustion of compound of containing nitrogen and metal will give nitrogen  dioxide and metal oxide as product. During combustion reaction a compound reacts with oxygen in order to yield oxides of elements present in the compound.

The general equation is given as:

4M_3N_x+7xO_2\rightarrow 4xNO_2+6M_2O_x

Hence, the correct answer is :X is nitrogen dioxide, and Y is a metal oxide.

6 0
4 years ago
Answer this ......,..,.,.,.,.,.,.,..,.,.,.,.,.z.z.,.,.,.,..,.,.,.,.,.,.,.,.,..,​
ioda
A) CuBr2

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7 0
3 years ago
A water skier is pulled by a net force of 165 N and has an acceleration of 2.2 m/s2. What is the mass of the skier?
TiliK225 [7]
A) 75 kg

Answer^


Explanation:

a = Fnet / m : plug the numbers in

2.2 m/s ^2 = 165n /m : now cross multiple

22m / 165 : now divide 22 to both sides

M = 75

3 0
3 years ago
Can someone tell me the Bohr rutherford diagram of atom for calcium
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When the parts of the atoms are connected such as the electrons are connected around the molecules which are made up of nuetrons and protons. Calcium is the same way
6 0
3 years ago
Which best describes Rutherford’s model of the atom? fish swimming in an aquarium a sports stadium with a marble at the center a
puteri [66]
Rutherford's model of the atom is also known as the planetary model because this is when he discovered the nucleus of the atom. He also discovered that the nucleus of the atom, located at the center of an atom, is only 1/3000th the size of the atom's diameter. Also, surrounding the nucleus is an electron cloud. Therefore, the best description of his model would be <span>a sports stadium with a marble at the center.</span>
8 0
3 years ago
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