3 years ago

Is a hydrogen bond a true chemical bond?

1 answer:

5 0

Answer:

A hydrogen bond is the electromagnetic attraction created between a partially positively charged hydrogen atom attached to a highly electronegative atom and another nearby electronegative atom. A hydrogen bond is a type of dipole-dipole interaction; it is not a true chemical bond.

Explanation:

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D) When atoms form ions they become more stable as they gain a ?

maria [59]

Answer:

Like the inert gases(noble gases).

Explanation:

6 0

3 years ago

Is combining water and powdered drink mix a chemical reaction?

VikaD [51]

Answer:

No, it's a physical reaction.

Explanation:

A chemical change produces new chemical compounds, but combining water and powder is just mixing the powder with the water. It's not a new compound.

I don't know how to really explain, sorry :)

3 0

2 years ago

How many moles are there in 3.612 x 1024 formula units of Na2SO4?

vitfil [10]

Answer:

<h3>Theanswer is 6 moles</h3>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = \frac{N}{L} \\$

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

$n = \frac{3.612 \times {10}^{24} }{6.02 \times {10}^{23} } \\$

We have the final answer as

<h3>6 moles</h3>

Hope this helps you

5 0

3 years ago

When a lead storage battery discharges, the concentration of ___.

Nookie1986 [14]

Answer:

Sulfuric acid decreases

7 0

3 years ago

Help pls!!!!!!!!!!!!!

UkoKoshka [18]

Answer:

1. C + O₂ → CO₂

2. C + CO₂ → 2 CO

3. Fe₂O₃ + 3 CO → 2 Fe + 3 CO₂

4 0

3 years ago