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3 years ago

The reaction type represented by AB ---> A + B is known as

Chemistry

1 answer:

nordsb [41]3 years ago

8 0

Answer:

A. synthesis

Explanation:

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Consider the molecule BF3. (a) What is the electron config- uration of an isolated B atom? (b) What is the electron con- figurat

anzhelika [568]

For the given molecule, we are asked to give-

The electron configuration of an isolated B atom
The electron configuration of an isolated F atom
Hybrid orbitals should be constructed on the B atom to make the B–F bonds in Boron tri flouride
valence orbitals, if any, remain unhybridized on the B atom.

The electron configuration of an isolated B atom:

as atomic number of B is 5

electronic configuration will be [He] 2s² 2p¹

The electron configuration of an isolated F atom:

as atomic number of F is 9

electronic configuration will be [He] 2s² 2p5

Hybrid orbitals should be constructed on the B atom to make the B–F bonds in Boron tri flouride will be sp2.

as the one s and two of p orbital from the valance shell will hybridised to make 3 hybrid orbital of B resulting in 3 B-F bonds.

valence orbitals, if any, remain unhybridized on the B atom will be 1

To know more about hybrisisation:

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1 year ago

Sierra did 500 J of work to move her couch. If she exerts 250 N of force on the couch, How fat did she move it? (Work: W = Fd

Elodia [21]

W=F*d

W= 500 J
F = 250 N

500 J = 250 N * d
d= 500J/250 N = 2 J/N = 2(N*m)/N = 2 m
Answer is 2 m.

7 0

3 years ago

7 When carbon is heated in a limited supply

irakobra [83]

Answer:

please mark my answer brainliest

Explanation:

its carbon monoxide

.....

5 0

3 years ago

Read 2 more answers

In this reaction, _____.

ella [17]

Answer:

AB + CD ----> AC + BD

Explanation:

If you think this reaction:

AB + CD ----> AC + BD

(Reactants) (Products)

All the statements are true.

7 0

3 years ago

What is the mass of water necessary to generate 11.2 L of hydrogen gas if calcium metal reacts with water at standard temperatur

12345 [234]

Answer:

The mass of water is 18 g

Explanation:

The reaction of calcium with water can be represented in the equation below:

Ca + 2H₂O --------->Ca(OH)₂ +H₂

1 Mole of gas at STP = 22.4L

From the displacement reaction above, calculate the mass of water that will produce 22.4L of hydrogen gas at STP.

Mass of 2H₂O = 2(2x1 + 16) = 2X18 = 36 g/mol

Using proportional analysis;

36 g of 2H₂O produced 22.4 L of H₂, then

what mass of 2H₂O will produce 11.2L of H₂ ?

Mathematically,

22.4 L ----------------------------------> 36g

11.2 L -----------------------------------> ?

Cross and multiply, to obtain the expression below

= (11.2 X 36)/22.4

= 18 g

Therefore, the mass of water is 18 g

5 0

3 years ago