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guapka [62]
3 years ago
7

Write the complete balanced equation for the reaction between CaCO3 and KCI

Chemistry
1 answer:
EleoNora [17]3 years ago
5 0

CaCO3 + 2KCL ⇒ CaCl2 + K2CO3

It is balanced as so based on the charges given on the periodic table and polyatomic ions.

Calcium has the charge of 2 but CO3 also shares the same charge, thus cancelling that out.

Potassium has a charge of 1 while Chlorine also shares a charge of 1, also cancelling it out.

Thus, if it performs a double replacement reaction, they would take these charges to the new elements that do not cancel out their charges.

Therefore, we need the coefficient of 2 in front of Potassium Chloride in order to balance the equation as on the products side of the equation, Potassium and Chlorine both have a subscript of 2.

Hope this helps!

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What name should be used for the ionic compound LiI?
timurjin [86]

What name should be used for the ionic compound LiI?

The name that should be used for the ionic compound LiI is Lithium iodide. When naming ionic compounds, you have to take into consideration pairing of two components. 

5 0
3 years ago
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What are the three types of Carbohydrates?
Doss [256]

The major classes are monosaccharides, oligosaccharides and polysaccharides.

The types are sugar, starch, and fibersugar.

Hope I helped!!

3 0
3 years ago
What mass of agno3 can be dissolved in 250g of water at 20°c?
Mice21 [21]
Hello there,

You should know the <span>solubility of AgNO3 in water at 20°C equals to 2220 g/L.

So we can say that in 1 L of water, 2220 g of AgNO3 can be dissolve.

Now you should know 1L = 1000g.

Which means 1000 g of water can dissolve 2220 g of AgNO3.

Therefore :

</span>250 g<span> --> x
1000 g --> 2220 g

So : </span>x = \frac{250*2220}{1000} =  \frac{555000}{1000}= 555g.

In short, 555g of AgNO3 can be dissolved in 250g of water at 20°C.

Hope this helps !

Photon
4 0
3 years ago
What type of bonds exists between neighboring water molecules?
Sindrei [870]

Answer:

covalent bonds

Explanation:

8 0
2 years ago
The pressure in an engine cylinder increases from 7.6 atm to 13 atm as the gas is compressed from 0.50 L to 0.10 L. What is the
REY [17]
T k = 15 + 273 = 288 K

4.6 / 13 => 0.353 atm

0.50 / 0.10 => 5 L

<span>(15 + 273) K x (13 atm / 7.6 atm) x (0.50 L / 0.10 L) 
</span>
<span>= </span>2463.15 K

<span>hope this helps!</span>
8 0
3 years ago
Read 2 more answers
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