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3 years ago

Why are properties of covalent compounds so diverse

Chemistry

1 answer:

faltersainse [42]3 years ago

5 0

Answer:

The diversity of physical properties among covalent compounds is mainly because of widely varying intermolecular attractions. ... All of the atoms are covalently bonded to each other.

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Explain two benefits that the flea get from living on a dog.

nlexa [21]

Answer:

Benefits of the flea from living on a dog

Explanation:

They feed on the blood of the dog. They deliver about 4000 eggs on the hosts fur.

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3 years ago

On a separate page, describe the advantages and disadvantages of the model of human homeostasis used in gizmo . In what way is t

Julli [10]

Solution :

Homeostasis of a human body refers to the ability of the body to maintain the stable internal conditions of the changing environment. It help an organism to survive.

The Human Homeostasis Gizmo helps a person to explore and see the human body adapts itself at a nearly constant temperatures in various conditions.

The advantages of the model of the human homeostasis used in the gizmo is that it can explore and predict how the human body maintains its normal condition as to approximation. One of the disadvantage is that it cannot predict the actual conditions for the survival of the organisms that it needs to maintain its body temperature or conditions.

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3 years ago

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ArbitrLikvidat [17]

Answer:

Explanation:

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3 years ago

Read 2 more answers

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defon

Answer:

ITs Chlorine

Explanation:

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3 years ago

Balance each of the following redox reactions occurring in basic solution.MnO−4(aq)+Br−(aq)→MnO2(s)+BrO−3(aq)Express your answer

Ahat [919]

Answer : The balanced chemical equation is,

$2MnO_4^-(aq)+Br^-(aq)+H_2O(l)\rightarrow 2MnO_2(s)+BrO_3^-(aq)+2OH^-(aq)$

Explanation :

Rules for the balanced chemical equation in basic solution are :

First we have to write into the two half-reactions.
Now balance the main atoms in the reaction.
Now balance the hydrogen and oxygen atoms on both the sides of the reaction.
If the oxygen atoms are not balanced on both the sides then adding water molecules at that side where the more number of oxygen are present.
If the hydrogen atoms are not balanced on both the sides then adding hydroxide ion $(OH^-)$ at that side where the less number of hydrogen are present.
Now balance the charge.

The half reactions in the basic solution are :

Reduction : $MnO_4^-(aq)+2H_2O(l)+3e^-\rightarrow MnO_2(s)+4OH^-(aq)$ ......(1)

Oxidation : $Br^-(aq)+6OH^-(aq)\rightarrow BrO_3^-(aq)+3H_2O(l)+6e^-$ .......(2)

Now multiply the equation (1) by 2 and then added both equation, we get the balanced redox reaction.

The balanced chemical equation in a basic solution will be,

$2MnO_4^-(aq)+Br^-(aq)+H_2O(l)\rightarrow 2MnO_2(s)+BrO_3^-(aq)+2OH^-(aq)$

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3 years ago