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Semmy [17]
3 years ago
9

Determine the electronegativity difference between the probable bond type and the more electronegative atom with respect to bond

s formed between the pairs of atoms Se and S
Chemistry
1 answer:
a_sh-v [17]3 years ago
3 0
<span>The electronegativity of the element Se is 2.4, the electronegativity of the element S is 2.5, so the difference between the electronegativity of the elements is 0.1. The probable bond type is non polar covalent bond. Based on the electronegativity values mentioned S is more electronegative.</span>
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Carbon burns in the presence of oxygen to give carbon dioxide. Which chemical equation describes this reaction?
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Answer: option B.

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Explanation:

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What are the two types of collisions? What is the difference between them? Types: a. Types: b. Compare and contrast the two type
mr_godi [17]

Answer:

The two types of collisions are :

Type a)

<u>Elastic collision</u>

Type b)

<u>Inelastic collision</u>

Explanation:

Collision : It is the event when two bodies collide with each other for small period of time.

During collision , the bodies exert force to each other.

Example :

When boxer hits with punches .

When bat hits the ball in cricket match.

So, collision is short duration interaction of two objects. When the objects collides , there is  change in their velocity.

All collision follow law of conservation of momentum . Their type is decided by , whether they follow conservation of energy also.

<u>Compare and contrast the two types</u>

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b) Inelastic collision : Those collision in which Change in kinetic energy will occur. They do not follow conservation of kinetic energy.Almost all conservation are inelastic.

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5 0
3 years ago
fish give off the compound ammonia which has a pH above 7 to which class of compounds does ammonia belong
jasenka [17]
<span><u><em>Answer:</em></u>
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<u><em>Explanation:</em></u>
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<u>alkalies:</u> these are compounds having pH values higher than 7

This is shown in the attached image

We are given that the pH of the compound ammonia generated by the fish is above 7.
According to the above explanation, compound ammonia would be an alkaline compound.

Hope this helps :)</span>

5 0
3 years ago
Which of the following are physical characteristics of blood? 1. it is more viscous than water 2. its temperature is about 38ºC
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Explanation:

A property which does not bring any change in chemical composition of a substance is known as physical property.

For example, blood is more viscous than water, its pH is slightly alkaline, its temperature is about 38^{o}C (100.4^{o}F)  .

On the other hand, a property which changes chemical composition of a substance is known as a chemical property.

For example, precipitation, reactivity, toxicity etc are chemical property.

Sometimes, the change in color of a substance can also occur due to a chemical change.

Thus, we can conclude that following are the physical characteristics of blood.

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6 0
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