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Mariulka [41]
4 years ago
11

What is the force of attraction between the particles in a salt crystal

Chemistry
1 answer:
Papessa [141]4 years ago
4 0

Answer:

Electrostatic attraction between the ions

Step-by-step explanation:

A salt crystal consists of Na⁺ and Cl⁻ ions stacked together in a crystal.

The ions have opposite charges, so they are electrostatically attracted to each other.

Because the ions are so close together, the attractive forces are quite large.

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Can you guys help me fill out the table?
TEA [102]

Explanation:

Scientist                   Evidence                                 Model

Dalton                        Gases                       indivisible, solid and spheres

J.J Thomson          Deflected beam        Negative charges evenly scattered

                                                                  through positively charged mass of

                                                                  matter.

Rutherford     Deflection of alpha            atomic model

                       particles passing                

                       through the gold foil              

The emboldened words are the answer.

  • John Dalton proposed the first model of the atoms by his works on gases. He postulated the Dalton's law of partial pressure.
  • He suggested that gases are made of tiny particles called atoms.

  • J.J Thomson proposed the plum pudding model of the atom in which the charges are evenly scattered through the positively charged mass of matter.

  • The gold foil experiment by Rutherford brought the atomic model of the atoms in the front-light.
  • The model suggests a small positively charged center which the mass of the atom.
  • The outer space is occupied by the electrons.

Learn more:

Rutherford brainly.com/question/1859083

#learnwithBrainly

6 0
3 years ago
Give 3 examples of solutions, suspensions and colloids..
Vlad [161]
  • <u>Some examples of solutions</u><u>"</u><u>:</u><u>"</u><u> are salt water, rubbing alcohol, and sugar dissolved in water.</u>

  • <u>examples of suspensions are </u><u>muddy water milk of magnesia </u><u>Slaked lime for whitewashing.</u>

  • <u>examples of colloids are </u><u>whipped cream, mayonnaise, milk, </u>
5 0
3 years ago
Read 2 more answers
Which object gives off heat?
nadezda [96]

Answer:

Flashlight

Explanation:

A flashlight gives out heat

hope this helps...

7 0
3 years ago
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Record the volume of the liquid in the graduated cylinder. The volume of the liquid is
mario62 [17]

Answer:

53

Explanation:

5 0
4 years ago
Consider the mixture of ethanol, c2h5oh, and o2. how many molecules of co2, h2o, c2h5oh, and o2 will be present if the reaction
Natali [406]

The reaction between ethanol and oxygen must be a combustion reaction to give carbon dioxide and water as products.

The reaction between ethanol, C_2H_5OH and oxygen, O_2 is as follows:

C_2H_5OH+O_2\rightarrow CO_2+H_2O

In order to balance the reaction (the number of atoms of each element in the reaction are same on both the sides that is product and reactant),  O_2 is multiplied by 3 in the reactant side and CO_2 is multiplied by 2 and H_2O is multiplied by 3 on product side.

So, the balanced reaction is:

C_2H_5OH+3O_2\rightarrow 2CO_2+3H_2O

From the balanced reaction it is clear that 1 mole of C_2H_5OH reacts with 3 moles of O_2 to give 2 moles of CO_2 and 3 moles of H_2O.

Since, 1 mole = 6.022\times 10^{23} molecules (Avogadro's number)

So,

Number of molecules of C_2H_5OH = 6.022\times 10^{23} molecules.

Number of molecules of O_2 = 6.022\times 10^{23}\times 3 = 18.066\times 10^{23} molecules.

Number of molecules of CO_2 = 6.022\times 10^{23}\times 2 = 12.044\times 10^{23} molecules.

Number of molecules of H_2O = 6.022\times 10^{23}\times 3 = 18.066\times 10^{23} molecules.

3 0
3 years ago
Read 2 more answers
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