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3 years ago

What properties characterize ionic compounds

1 answer:

8 0

<span>The atoms in a compound are held together by a chemical bond. The chemical bonds can be either covalent bonds or ionic bonds. Both the bonds are considered very strong bonds. These bonds are mainly formed by sharing of electrons or in the case when one of the elements making the compound donates electron to the other element. The nucleus of each atom attracts to form a strong bond. This property of attraction between the nucleus of the atoms actually helps in forming the chemical bonds. </span>

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Why do larger/hotter stars burn their fuel faster and live shorter lives than the Sun.

Musya8 [376]

You pretty much answered your own question haha
hotter stars die more quickly because, well, they're hotter than the sun
providing heat takes a lot of energy.

5 0

4 years ago

Read 2 more answers

When a deer eats too much in a given area, we call this _________.

Sophie [7]

Answer:

Over-browsing

6 0

4 years ago

Hydrocarbons, compounds containing only carbon and hydrogen, are important in fuels. The heat of combustion of cyclopentane, C5H

pishuonlain [190]

Answer:

4664.54 kcal of energy is produced on the complete combustion of 416 grams of cyclopentane

Explanation:

Combustion is the process by which hydrocarbons react with oxygen to heat to produce heat energy.

The heat energy produced when one mole of an hydrocarbon is completely burnt or combusted in air is called the heat of combustion

The balanced equation for the complete combustion of cyclopentane (C5H10) is given below:

2C₅H₁₀ + 15O₂ → 10CO₂ + 10H₂O

ΔH combustion = 786.6 kcal/mol

What the above equation means is that each time one mole of cyclopentane is completely burnt, 786.6kcal of energy is released.

Hence we need to calculate the number of moles of cyclopentane in 416grams; therefore

No of moles cyclopentane = mass of cyclopentane / molar mass of cycopentane

= 416 g / 70.1 g/mol

= 5.9343moles

≅ 5.93 moles of cyclopentane in 416grams

From the question, since the cyclopentane is completely combusted, it implies that the energy released would be

1 mole of cyclopentane = 786.6 kcal of energy

5.93 moles of cyclopentane would produce

= 5.93 moles x 786.6kcal/mol

= 4664.54 kcal of energy

6 0

3 years ago

_______ can be generally defined as a change in position.

r-ruslan [8.4K]

B. Motion is the answer.

3 0

3 years ago

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Using your old and new reaction roadmaps as a guide, show how to convert ethane into 1- butanol. You must use ethane as the sour

Naddik [55]

Answer:

Ethane can be converted into 1- butanol in 4 different steps and reactions.

Explanation:

Step 1 : Ethane follows Markovnikov's rule and reacts with a protic acid called Hydrogen chloride to form Chloroethane.

Step 2: Chloroethane undergoes Wurtz reaction where it reacts with sodium metal in the presence of dry ether to form an higher alkane called butane.

Step 3: Butane undergoes chlorination where it reacts with an halogen called chlorine to form 1-chlorobutane.

Step 4: 1-chlorobutane reacts strong aqueous Potassium hydroxide (KOH) to form 1-butanol.

Attached to this answer is the handwritten conversion of Ethane to 1-butanol showing all the reagents and molecules synthesized along the way.

5 0

3 years ago