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Jet001 [13]
3 years ago
10

How r fossil fuel helpful Plss help ill give brainliest

Chemistry
2 answers:
leva [86]3 years ago
8 0

Answer:

They give us things that we couldnt get anywhere else and arent harmful to the enviornment

Explanation:

nikklg [1K]3 years ago
3 0

Answer: The United States gets 81% of its total energy from oil, coal, and natural gas, all of which are fossil fuels. We depend on those fuels to heat our homes, run our vehicles, power industry and manufacturing, and provide us with electricity.

Explanation:

....

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In the chemical formula below, how many H atoms are present?<br> SNH4OH
saul85 [17]

Answer:

I believe there is 2 but I could be wrong so really sorry if I am

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For each pair of covalently bonded atoms, choose the one expected to have the shortest bond length. (A) C-I (B) H-I ...... (A,B)
UNO [17]

Answer:

i)  B

ii) D

Explanation:

<em>Bond length is determined by the size of the atoms involved and the bond order </em>

A) C-I

B)  H-I

answer : H-I has the shortest bond length because H has an electronegativity value of 2.2  while C has an electronegativity value of 2.5 hence the bond between H-I is greater than C - I due the electronegativity difference between H-I is greater as well.

C) H-Cl

D) H-I

answer :  H-Cl has the shortest bond length due the electronegativity difference between H-CI is greater as well.

8 0
3 years ago
Hey guys!
melamori03 [73]

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What is the percent by mass of oxygen fe2o3 (formula mass= 160)?
GarryVolchara [31]
30% should be the percentage of oxygen if the total mass of fe2o3 is 160.
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3 years ago
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