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expeople1 [14]
3 years ago
11

Water molecules have a polarity, which allows them to be electrically attracted to other water molecules and other polar molecul

es by weak chemical bonds known as
Chemistry
2 answers:
scZoUnD [109]3 years ago
7 0
Hello there.

Water molecules have a polarity, which allows them to be electrically attracted to other water molecules and other polar molecules by weak chemical bonds known as
Hydrogen bonds
KATRIN_1 [288]3 years ago
5 0

Answer:   Hydrogen Bonds

Explanation:  Water molecules can be considered as the dipoles as it has having partial positive charge at one end that is on hydrogen and one end is having partial negative charge that is on oxygen.

Thus it has a tendency to show electrostatic forces of attraction towards the other molecules as well.

One water molecule can form 4 hydrogen bonds with 4 other molecule.

Thus these chemical bonds are known as Hydrogen bonds.

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Aluminum has a density of 2.70 g/mL. Calculate the mass (in grams) of a piece of aluminum having a volume of 264 mL .
gavmur [86]
The formula for density is:

D = m/v

We can use the formula to figure out the mass because we already know two of the three values (we are given the density and volume), so we only have to solve for <em>m. </em>If we plug our given values into the formula, we get:

2.70 = m / 264

Now, all we need to do is solve for <em>m</em>. The goal is to get <em>m</em> on one side of the equation, and all we have to do is multiply each side of the equation by 264:

264 × 2.70 = (m÷264) × 264

264 × 2.70 = m

m = 712.8

The mass of the piece of aluminum is 712.8 grams.
4 0
3 years ago
Explain why the acid-catalyzed dehydration of an alcohol is a reversible reaction, whereas the base-promoted dehydrohalogenation
antoniya [11.8K]

Answer:

electrophile(H⁺) is needed to react with alkene in the first step and nucleophile (OH⁻) is not available in the first step

Explanation:

7 0
4 years ago
Help help help I will give brainliest
vampirchik [111]

Answer:

its b alkyne

Explanation:

brinliest po plsss

8 0
3 years ago
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How is the mantle different from the core?​
Pepsi [2]

Answer:The Earth's mantle is made up of semisolid rocks. ... The core consists of extremely hot metal layers instead of rock. Iron and nickel make up the outer section of the core, while the interior is almost entirely iron. The inner core is almost totally solid and shaped like a ball.

Explanation:

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4 years ago
The following do not represent valid ground-state electron configurations for an atom either because they violate the Pauli excl
svetoff [14.1K]

Answer:

<em>For both cases the answer is C</em>

Explanation:  

We can see that the orbitals are not filled in the order of increasing energy and the Pauli exclusion principle is violated because it does not follow the correct order of the electron configuration; In the first exercise after the 2s2 orbital, the 2p2 orbital follows.

For the second exercise, you must start in order with level 1 and correctly filling each of the sublevels corresponding to each level until reaching level 7 and thus completing the desired number of electrons.

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3 years ago
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