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Musya8 [376]
3 years ago
15

Given these reactions,

Chemistry
1 answer:
Andrej [43]3 years ago
8 0

Answer:

-805.8kJ

Explanation:

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Carbon burns in the presence of oxygen to give carbon dioxide. Which chemical equation describes this reaction?
Phoenix [80]

Answer: Option (B) is the correct answer.

Explanation:

It is known that for writing a chemical reaction equation, reactants are written on left hand side whereas products are written on right hand side.

And in between reactants and products a forward arrow is placed pointing towards the products.

Therefore, the reaction for carbon burns in the presence of oxygen to give carbon dioxide will be written as follows.

          Carbon + Oxygen \rightarrow Carbon dioxide

Here, carbon and oxygen atoms are the reactants whereas carbon dioxide is the product.

6 0
3 years ago
For most substances, the distance between the particles is smallest when the substance
olchik [2.2K]
Is a solid? has strong intermolecular forces? 
3 0
3 years ago
If earth is 1.50 x 10^8km from the sun what is the distance in Mm?
Readme [11.4K]

The distance of the earth to the sun in Mm = 1.5 x 10⁵

<h3>Further explanation</h3>

Given

The distance of the earth to the sun : 1.50 x 10⁸ km

Required

The distance in Mm

Solution

In converting units we must pay attention to the conversion factor.

the conversion factor :

1 kilometer(km) = 10⁻³ megameter(Mm)

So the distance conversion :

1.5 x 10⁸ x 10⁻³ = 1.5 x 10⁵ Mm

8 0
3 years ago
Diana and Kinsey are put in charge of choosing a mascot for their basketball team. There are fifteen players on the team, but Di
antoniya [11.8K]

Answer:

The data are inadequate.

Explanation:

In the given question, there are fifteen players on the team.

But Diana and Kinsey survey only the five players on the starting lineup about their favorite mascot.

Based on only a few players out of the total number of players, both Diana and Kinsey can't choose a mascot for the basketball team.

So, the data are inadequate.

6 0
3 years ago
Read 2 more answers
Explain the five economic benefits of water​
mario62 [17]

Answer:

Improved water supply and sanitation and improved water resources management boost countries' economic growth and contributes greatly to poverty eradication. ... National economies are more resilient to rainfall variability, and economic growth is boosted when water storage capacity is improved

Explanation:

3 0
3 years ago
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