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elena55 [62]
3 years ago
12

How much energy is wasted as heat by an incandescent light globe

Chemistry
1 answer:
muminat3 years ago
8 0

Electric current passes through a filament of an incandescent bulb, thereby increasing it temperature. When current flows, it contains electrons through the filament to produce light. Typically, incandescent light bulb consists of a glass enclosure that contains tungsten filament. The glass enclosure contains either a vacuum or an inert gas that serves as the filament protection from evaporating. Incandescent light bulbs contain a stem attached at to its base to allow the electrical contacts to run through the envelope without gas or air leaks. 

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Magnesium oxide can be made by heating magnesium metal in the presence of oxygen. The balanced equation for the reaction is
Pachacha [2.7K]
Magnesium+Oxygen-->Magnesium\ Oxide\\\\You\ need\ complement\ factors:\\\\
Oxygen\ is\ always\ in\ two-atoms\ form:\\\\2Mg+O_2--->2MgO\\\\
5 0
3 years ago
Is strontium phosphide a ionic or covalent bond
notka56 [123]

Answer:

Strontium is a soluble earth metal with the nuclear number 38. Phosphate is a polyatomic particle containing phosphorus and oxygen molecules. Strontium loses electrons to turn out to be emphatically charged, and phosphate is an adversely charged particle.

Explanation:

6 0
3 years ago
elements on the right side of the periodic table differ from the elements on the left side in that elements on the right side
yarga [219]

Element  on the right side  of the periodic  table  differ from the elements on  the left side  in that elements on the <em>right  side  are non   metallic  and tends to be gases at room  temperature.</em>


<em>  </em><u>Explanation</u>

In the periodic table there element in  the right side , left side and those  which are in between.

  •  Example of element  in the right side is  fluorine  chlorine, neon, Argon   among others.
  • This element have higher  effective nuclear  charges   and  stabilize electrons more effectively.
  • there electrostatic  intermolecular  forces  are generally weak  therefore they  exist in  liquid or gaseous state.
7 0
3 years ago
Solid calcium carbonate decomposes to produce solid calcium oxide and carbon dioxide gas. Express your answer as a chemical equa
Gwar [14]

Answer:

CaCO_3(s)\rightarrow CaO(s)+CO_2(g)

Explanation:

Hello!

In this case, when solid calcium carbonate, CaCO3 (s), is decomposed by the action of thermal energy (heat), solid calcium oxide, CaO (s) and carbon dioxide gas, CO2 (g) are yielded via the following reaction:

CaCO_3\rightarrow CaO+CO_2

However, since calcium carbonate is solid as well as calcium oxide and carbon dioxide is given off as a gas, we write:

CaCO_3(s)\rightarrow CaO(s)+CO_2(g)

Which also balanced.

Best regards!

8 0
3 years ago
Please answer this for 15 points
mr_godi [17]
The answer is C!!!!!!!!!!!!!!!!!!!
3 0
3 years ago
Read 2 more answers
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