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DENIUS [597]
3 years ago
12

Draw relative enthalpy diagrams showing the relationship between the enthalpy ofhydration, lattice enthalpy, and the solvation e

nthalpy of solution for KI, CaCl2andNaCl dissolving in water.

Chemistry
1 answer:
madam [21]3 years ago
4 0

Complete Question:

The complete question is on the first uploaded image

Answer:

The solution is on the second uploaded image

Explanation:

The explanation of the above solution is on the third uploaded image.

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There are 55.0 g of neon gas in a 3.0 L cylinder, the pressure is 4.5 atm what is the temp of the gas
marshall27 [118]

Answer:

60.9 Kelvin

Explanation: First, write out everything that you know. You are tring to find the temperature, so the temperature will be represented by x.

Pressure (P)= 4.5 atm

Volume (V)= 3L

Number of Moles (n)= ?

Gas Consant (R)= 0.0821, if the pressure is in atm, that means r is 0.0821

Temperature (T)= x

We don't have all the information we need to plug the values into the equation. We still need to know how many moles 55.0 grans of neon is.

Ne in Grams= 55

Atomic Mass of Ne= 20.1797

55/20.1797= 2.7  

moles= 2.7

Now that we have all the information we need, plug everying into the equation. In case you don't know, the Ideal Gas Law Equation is PV= nRT.

(4.5)(3) = (2.7)(0.821)x    

x= 60.9

Now you have your temperature! It is 60.9 in Kelvin.

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3 years ago
Balance the following chemical equation:<br> C2H60+02 → CO2 + H20
pantera1 [17]

Answer:

Explain: In order to balance the chemical equation, you need to make sure the number of atoms of each element on the reactant side is equal to the number of atoms of each element on the product side. In order make both sides equal, you will need to multiply the number of atoms in each element until both sides are equal.

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KOH and LiOH are examples of<br><br> bases<br><br> neutral compounds<br><br> acids<br><br> salts
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It is an example of bases
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In metallic bonds, the mobile electrons surrounding the positive ions are called a(n)?
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Answer: In metallic bonds, the mobile electrons surrounding the positive ions are called <u><em>dipole</em></u>.

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Explain electronegativity and how it relates to both molecular and ionic bonding.
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