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Luden [163]
3 years ago
6

What kind of crystalline solid is kci

Chemistry
2 answers:
PilotLPTM [1.2K]3 years ago
4 0

Its a covalent bond formed by Potassium and Chlorine.

The product obtained is POTASSIUM CHLORIDE.

Hope this HELPS !!!

gavmur [86]3 years ago
3 0

Answer:

Ionic solid

Explanation:

Ionic Solids are solids which are composed of oppositely charged ions such as KCl. They consist of a positively charged cation and a negatively charged anion .

When Ionic Solids dissolve in water the cations and the anions separate, and become free to move about in water thereby allowing the solution to conduct electrical current.

The solid cannot conduct electricity because the ions are immobile and held in fixed positions in the crystal by strong electrostatic forces.

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3 years ago
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74.5 g of KCl was dissolved in 1000. mL of water. What is the
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Two objects are brought into contact Object 1 has mass 0.76 kg, specific heat capacity 0.87) g'c and initial temperature 52.2 'C
taurus [48]

Answer:

T_F=77.4\°C

Explanation:

Hello there!

In this case, according to the given information, it turns out possible to set up the following energy equation for both objects 1 and 2:

Q_1=-Q_2

In terms of mass, specific heat and temperature change is:

m_1C_1(T_F-T_1)=-m_2C_2(T_F-T_2)

Now, solve for the final temperature, as follows:

T_F=\frac{m_1C_1T_1+m_2C_2T_2}{m_1C_1+m_2C_2}

Then, plug in the masses, specific heat and temperatures to obtain:

T_F=\frac{760g*0.87\frac{J}{g\°C} *52.2\°C+70.7g*3.071\frac{J}{g\°C}*154\°C}{760g*0.87\frac{J}{g\°C} +70.7g*3.071\frac{J}{g\°C}} \\\\T_F=77.4\°C

Yet, the values do not seem to have been given correctly in the problem, so it'll be convenient for you to recheck them.

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3 years ago
Given the formula representing a molecule:
Aleksandr [31]

Answer:

B) Symmetrical and nonpolar  

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The molecule is symmetrical, because the green line divides the molecule into two halves that are mirror images of each other.

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The C atoms are partially negative (red), while the H atoms are partially positive (blue).

However, the two C-H bond dipoles point in <em>opposite directions</em>, so they cancel each other. The molecule has <em>no net dipole moment.</em>

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