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Komok [63]
3 years ago
15

Use the chemical equation and the bond diagram to answer the question.

Chemistry
1 answer:
Scilla [17]3 years ago
5 0

Answer:

O=O bond

Explanation:-

Note it down that the bond having highest Hydrogen enthalpy has strongest bond.

Now

  • O=O(495KJ/mol)
  • O-O(146KJ/mol)
  • O-H(467KJ/mol)
  • H-H(432KJ/mol)

Hence

\\ \bull\sf\dashrightarrow O=O>O-H>H-H>O-O

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Where is most of the water on earth found? What percentage?
bezimeni [28]

Answer:

The ocean holds about 97 percent of the Earth's water; the remaining three percent is found in glaciers and ice, below the ground, in rivers and lakes. Of the world's total water supply of about 332 million cubic miles of water, about 97 percent is found in the ocean.

wait..if you asking about the country it's Brazil✌️

8 0
3 years ago
How can we prevent land pollution?​
Dominik [7]

Answer:

1. Make people aware about the concept of Reduce, Recycle and Reuse.

2. Reduce the use of pesticides and fertilizers in agricultural activities.

3. Avoid buying packages items as they will lead to garbage and end up in landfill site.

4. Ensure that you do not litter on the ground and do proper disposal of garbage.

5. Buy biodegradable products.

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I hope it helps u

7 0
2 years ago
Assuming that all the energy given off in the reaction goes to heating up only the air in the house, determine the mass of metha
nirvana33 [79]

Answer:

0.92 kg

Explanation:

The volume occupied by the air is:

35.0m\times 35.0m \times 3.2m \times \frac{10^{3}L }{1m^{3} } =3.9 \times 10^{6} L

The moles of air are:

3.9 \times 10^{6} L \times \frac{1.00mol}{22.4L} =1.7 \times 10^{5}mol

The heat required to heat the air by 10.0 °C (or 10.0 K) is:

1.7 \times 10^{5}mol \times \frac{30J}{K.mol} \times 10.0 K = 5.1 \times 10^{7}J

Methane's heat of combustion is 55.5 MJ/kg. The mass of methane required to heat the air is:

5.1 \times 10^{7}J \times \frac{1kgCH_{4}}{55.5 \times 10^{6} J } =0.92kgCH_{4}

3 0
3 years ago
HOW FAST CAN YOU ANSWER ( new)
GrogVix [38]

Answer:

d

Explanation:

6 0
3 years ago
Read 2 more answers
Um.. i dont need help lol
Tasya [4]

Answer:

thats cool mate

Explanation:

hope ya have a good day, im answering just for the points tbh

7 0
3 years ago
Read 2 more answers
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