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Greeley [361]
3 years ago
6

Please can someone please help me !!

Chemistry
1 answer:
Anestetic [448]3 years ago
5 0

Answer:

False

Explanation:

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How many molecules are in 20,484 grams of H2O?​
alexandr1967 [171]

Answer:

3.4027x10^-22

Explanation:

4 0
3 years ago
Bromine pentafluoride BrF5 is a good example of inter halogen molecule
Snezhnost [94]

Answer:

a) The lewis dot structure is shown in the image attached to this answer

b) The formal charge on each of the atoms is zero

c) bromine has an oxidation state of +5 while fluorine has an oxidation state of -1

d) 90 degrees

e) Square Pyramidal

f) polar bonds

g) polar molecule

Explanation:

The molecule BrF5 has a formal charge of zero. It exhibits an sp3d2 hybridization state with a square pyramidal geometry. The bond angle in the molecule is 90 degrees. It is a molecule of the type AX5E. The oxidation state of bromine is +5 while that of fluorine is -1.

The Br-F bonds are polar. The overall molecule is polar due to asymmetric charge distribution concentrating on the central atom since the molecule is square pyramidal.

3 0
3 years ago
How many atoms are in 26.8 g Fe
Tatiana [17]

Answer:

2.881x10^23 atoms

Explanation:

From the studies of Avogadro's hypothesis, we discovered that 1mole of any substance contains 6.02x10^23 atoms.

Therefore 1mole of Fe contains 6.02x10^23 atoms.

Molar Mass of Fe = 56g/mol

56g of Fe contains 6.02x10^23 atoms.

Therefore, 26.8g of Fe will contain = (26.8x6.02x10^23) / 56 = 2.881x10^23 atoms

6 0
3 years ago
Warm air above large bodies of water rises into the atmosphere, carrying with it water vapor that forms clouds. Likewise, as air
crimeas [40]

Answer: it’s not conduction

Explanation: I don’t know the answer though

5 0
3 years ago
Which of the following describes a compound? (Hint: Carbon and oxygen both appear on the periodic table.)
Alekssandra [29.7K]

Answer:

A

Explanation:

a compound is a pure substance and A tells that

5 0
3 years ago
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