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olchik [2.2K]
3 years ago
9

List three ways you can use an electric current. Describe the energy Chang that takes place

Chemistry
2 answers:
LenaWriter [7]3 years ago
8 0

Answer : There are many ways to use electric current, but as you have asked for only three, here are some of them along with the change in their energy transformations;

1) Using a light bulb which consumes electrical energy and the energy is transformed into light energy, making everything visible for us.

2) Using a power tool makes use of electrical energy and the energy is transformed into mechanical energy for multipurpose use of cutting woods.

3) Using electrical iron converts electrical energy into thermal energy to heat the iron and enables the user to iron crease-free clothes.

ioda3 years ago
6 0
An electric current is a kind of flow of an electric charge that is present in electric circuits that often carried by the electrons in a wire and also be carried by ions in electrolytes or by both ions and electrons such as in a plasma. The possible use of it is in a circuits, connection between wires and the connection of every device
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In a compound, which type of bond is the sharing of electrons between adjacent atoms?
tamaranim1 [39]

Answer: chemical bond

Explanation:

6 0
4 years ago
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What will happen if 2.3 L of nitrogen gas is added to a 5 L flask that contains a mixture of carbon monoxide, oxygen, and carbon
stiks02 [169]

Answer:

The equilibrium will remain at the same conditions because there is no effect and difference in the partial pressure which in turn affect the equilibrium state.

Explanation:

  1. As Nitrogen is an inert gas therefore it will not react with either the reactants or products.
  2. Also as the addition is being made by maintaining the volume of flask as constant, thus there will be no difference in the partial pressure of the individual components of the mixture by addition of the Nitrogen gas.
  3. An increase in pressure is observed but the effect is not aiding or retreating the equilibrium conditions
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3 years ago
How many molecules in 9.18 moles of C11H12O22
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Answer:

55.3 × 10²³ molecules

Explanation:

Given data:

Number of moles of C₁₁H₁₂O₂₂ = 9.18 mol

Number of molecules = ?

Solution:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

For example,

18 g of water = 1 mole = 6.022 × 10²³ molecules of water

For given data:

9.18 mol × 6.022 × 10²³ molecules /1 mol

55.3 × 10²³ molecules

5 0
3 years ago
For each of the following, use the periodic table to determine the number of valence electrons in an atom of the element.
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Ne 8. S 6. Mg 2. Sn 4. C 4. Al 3. Te 6. Cs 1. Bi 5. Br 7. Ga 3. P 5.

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1. Realiza la configuración electrónica de:
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Answer:

c

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