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Rashid [163]
2 years ago
13

Which of the following is an example of the electrostatic force acting in a atom

Chemistry
2 answers:
kumpel [21]2 years ago
7 0
Electrostatic forces work on anything that is charged. 
<span>Usually only protons and electrons, but also some other elementary particles. 

</span>d. a proton attracting an electron
7nadin3 [17]2 years ago
4 0

Answer:

d. a proton attracting an electron

Explanation:

Electrostatic force is the interaction between bodies that have electrical charges

a and b

The neutrons are particles that have no charge, therefore there are no electrostatic forces acting

c

Electrons are negatively charged particles and when they interact with each other they repel because they have the same charge

d

Electrons are particles with negative charge and protons with a positive charge, and when interacting with each other they attract because they have different charge

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A solution is prepared by mixing 25.0 g H2O and 25.0 g C2H5OH. Determine the mole fractions of each substance.
Veronika [31]

Answer:

Mole fraction H₂O → 0.72

Mole fraction C₂H₅OH → 0.28

Explanation:

By the mass of the two elements in the solution, we determine the moles of each:

25 g . 1 mol/ 18g = 1.39 moles of water (solute)

25 g . 1 mol / 46 g = 0.543 moles of ethanol (solvent)

Mole fraction solute = Moles of solute / Total moles

Mole fraction solvent = Moles of solvent / Total moles

Total moles = Moles of solute + Moles of solvent

1.39 moles of solute + 0.543 moles of solvent = 1.933 moles → Total moles

Mole fraction H₂O = 1.39 / 1.933 → 0.72

Mole fraction C₂H₅OH= 0.543 / 1.933 → 0.28

Remember that sum of mole fractions = 1

8 0
2 years ago
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7. What is the voltage when the resistance is 6 ohms and the current is 8 amps?
vivado [14]

Answer:

48 volts

Explanation:

Voltage (E) = Current (I) x Resistance (R), or E = IR.

4 0
3 years ago
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Inessa [10]

Answer:

B. temperature decreases as altitude increases.

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  • The mesosphere is often referred to as the middle layer.

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A disturbance in matter that carries energy from one place to another is called
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The answer you're looking for is: a wave.
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The total kinetic energy of a body is known as:
Nutka1998 [239]

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Explanation:

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