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pogonyaev
3 years ago
14

10. For each of the following pairs of ionic compounds, state which would be expected to have the higher (more negative) lattice

energy.
a. LiF or KBr

b. NaCl or MgS

c. MgO or RbI
Chemistry
1 answer:
zaharov [31]3 years ago
7 0

Answer:

C I belive

Explanation:

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Calculate the pOH of a solution if the concentration of hydroxide ions (OH-) is 1.9 x 10-5M?
OLEGan [10]

Answer:

9.28

Explanation:

pOH refers to a measure of hydroxide ions concentration. pOH tells about the alkalinity of a solution. If pOH is less than 7 then aqueous solutions are alkaline, acidic if pOH is greater than 7 and neutral if pOH is equal to 7.

Concentration of the hydroxide ions = 1.9 x 10-5 M

pH = -log(1.9\times 10^{-5})=4.72

pOH = 14 - pH

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The large number before a molecule in a chemical formula is called a _______________.
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The answer is coefficient
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A solution of an unknown nonvolatile nonelectrolyte was prepared by dissolving 0.250 g of the substance in 40.0 g of ccl4. the b
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Answer : The molar mass of the solute will be 87.90 g/mol.

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on substituting the value we get,
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Which physical method can separate a mixture of steel ball bearings and marbles
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Sorting is a method that could separate those materials

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Lady bird [3.3K]
Nitrogen is diatomic which exists as N2. This is because of its small size and high electronegativity.

Phosphorus is tetra atomic which exists as P4. 
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