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Dmitry_Shevchenko [17]
3 years ago
11

PLEASE HELP! WILL MARK BRAINIEST IF ANSWERED CORRECTLY.

Chemistry
1 answer:
ioda3 years ago
3 0

Answer:

H2O is a polar molecule

the H is slightly positive and the O is slightly negative so the Na is attracted to the O side of the water molecule and the Cl is attracted to the H side of the water molecule

Explanation:

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Which happens when water freezes?
hodyreva [135]

Answer:

B) water changes to ice

Explanation:

since its already water, it cant be anything beginning with steam.

3 0
3 years ago
When given the following: density = 0.79 g/mL and mass =8g (answer can be found in your reading) What is the volume of the objec
tatyana61 [14]

Hey there!:

Density = 0.79 g/mL

mass = 8 g

Volume = ??

Therefore:

D = m / V

0.79 = 8 / V

Volume = 8 / 0.79

Volume  = 10.126 mL

Hope this helps!

4 0
3 years ago
WHAT IS THE MOLAR MASS OF CAC2
pishuonlain [190]

Answer:

The molarass of Carbon carbide is 64.0 g/mol

4 0
2 years ago
calculate the amount of heat energy required to evaporate 25.7g of water at 100 degrees celcius. (Molar heat of vaporization of
Vikentia [17]

Answer:

5.82 ×10⁴ j

Explanation:

Given data:

Mass of water = 25.7 g

Amount of heat to evaporate it = ?

Molar heat of vaporization = 4.07×10⁴ j/mol

Solution:

First of all we will calculate the number of moles of water.

Number of moles = mass/ molar mass

Number of moles = 25.7 g/ 18 g/mol

Number of moles = 1.43 mol

Energy needed for one mole is 4.07×10⁴ j.

For 1.43 mol:

1.43 mol × 4.07×10⁴ j/ 1mol

5.82 ×10⁴ j

8 0
3 years ago
In general, when the addition of an unsymmetrical electrophilic reagent to an unsymmetrical alkene forms the product predicted b
Tju [1.3M]

It is formed via the more/most stable carbocation.

What justification exists for Markovnikov's Rule?

A carbocation is created as a result of the protonation of the alkene by the protic acid. The carbocation that has the most alkyl substituents on its carbon holds the positive charge, making it the most stable carbocation. As a result, the addition of the halide to the carbon that has fewer hydrogen substituents makes up the majority of the product.

Markovnikov's rule

According to the Markovnikov rule, a proton is added to the carbon atom with the greatest number of hydrogen atoms connected in addition to processes involving alkenes or alkynes.

Anti-Markovnikov Rule

According to the Anti-Markovnikov Rule, in addition to reactions between alkenes or alkynes, The carbon atom with the fewest hydrogen atoms linked to it receives the proton.

Learn more about Carbocation here:-

brainly.com/question/14363695

#SPJ4

7 0
2 years ago
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