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Minchanka [31]
2 years ago
14

Which element when fused together with itself produces the most energy?

Chemistry
1 answer:
lions [1.4K]2 years ago
3 0

Answer:

Carbon

Explanation:

Carbon is a special element that can form covalent compounds at any shape.

Fuels all consists of carbon.

If you study organic chemistry you will learn more about the miracles of carbon.

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What is the most likely source of the carbon dioxide shown in the graph above?
castortr0y [4]

Combustion of fossil fuels

Explanation:

The most likely source of the carbon dioxide shown in the graph is the combustion of fossil fuels for both industrial and domestic use.

  • Fossil fuels are hydrocarbon units.
  • They burn in the presence of oxygen gas to from carbon dioxide and water.
  • The level of carbon dioxide has been increasing dramatically with increase in industrialization.
  • The fuels are used and needed for the workings of machinery.
  • Domestically they are used in heating homes and powering automobiles.
  • These processes produce carbon dioxide as a waste product.

learn more:

Green house gas emission brainly.com/question/4580761

#learnwithBrainly

7 0
3 years ago
Why does iodine have a lower average atomic mass than tellurium?
maw [93]

Answer:

Explanation: tellurium has an atomic mass of 127.6 whilst the element that comes after it, iodine, is lighter with an atomic weight of 126.9. Mendeleev concluded that the atomic mass for one of these two elements must be wrong because tellurium clearly preceded iodine in the periodic table

3 0
3 years ago
What are constellations
OlgaM077 [116]
Stars that form shapes, or are connected together.
8 0
3 years ago
Read 2 more answers
I need to find the chemical equation
Yuri [45]

Answer:

2NaCN + CaCO3 --> Na2CO3 + Ca(CN)2

Explanation:

Knowing the names gets us: NaCN + CaCO3 --> Na2CO3 + Ca(CN)2

Balance: there are two sodiums and cyanides on the product side so add a 2 to the reactant side.

4 0
4 years ago
Can someone help please?
attashe74 [19]
<h3>Take the weighted average of the individual isotopes.</h3><h3 /><h3>Explanation:</h3><h3>63</h3><h3>C</h3><h3>u</h3><h3> has </h3><h3>69.2</h3><h3>%</h3><h3> abundance.</h3><h3 /><h3>65</h3><h3>C</h3><h3>u</h3><h3> has </h3><h3>30.8</h3><h3>%</h3><h3> abundance.</h3><h3 /><h3>So, the weighted average is </h3><h3>62.93</h3><h3>×</h3><h3>69.2</h3><h3>%</h3><h3> </h3><h3>+</h3><h3> </h3><h3>64.93</h3><h3>×</h3><h3>30.8</h3><h3>%</h3><h3> </h3><h3>=</h3><h3> </h3><h3>63.55</h3><h3> </h3><h3>amu</h3><h3> .</h3><h3 /><h3>If we look at the Periodic Table, copper metal (a mixture of isotopes but </h3><h3>63</h3><h3>C</h3><h3>u</h3><h3> and </h3><h3>65</h3><h3>C</h3><h3>u</h3><h3> predominate) has an approximate atomic mass of </h3><h3>63.55</h3><h3> </h3><h3>g</h3><h3>⋅</h3><h3>m</h3><h3>o</h3><h3>l</h3><h3>−</h3><h3>1</h3><h3> , so we know we are right.</h3>

4 0
3 years ago
Read 2 more answers
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