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Chemistry

1 answer:

Deffense [45]2 years ago

5 0

Sodium fluoride has a high melting point due to hydrogen bonding in it's aqueous solution and in it's free state the fluoride ions being smaller are closely packed so NaF has a higher inter ionic attraction between Na+ and F-

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Identify reagents necessary to convert cyclohexane into 1,3-cylohexadiene: notice that the starting material has no leaving grou

Vinvika [58]

1,3-cylohexadiene i synthesized starting from cyclohexane in following 4 steps.

1) Free Radical Substitution Rxn: Halogenation of cyclohexane in the presence of UV yield chlorocyclohexane.

2) Elimination Rxn: Dehydrohalogenation of chlorocyclohexane yields cyclohexene.

3) Halogenation of Cyclohexene (Electrophillic Addition Rxn) gives 1,2-dihalocyclohexane.

4) Elemination Rxn: When dibromocyclohexane is treated with KOH and heated it gives 1,3-cyclohexadiene as shown below,

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3 years ago

What is the electron configuration for the transition metal ion in each of the following compounds?

Nana76 [90]

Answer:

1)Ni=1s2, 2s2, 2p6, 3s2, 3p6, 4s0, 3d10 called full-filled

2)Cr=1s2, 2s2, 2p6, 3s2, 3p6, 4s1, 3d5 called half-filled

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3 years ago

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____ [38]

Hello, how are you? ¯\_(ツ)_/¯

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3 years ago

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A solution consists of 35.00 g of CuSO4 dissolved in 250.0 mL of water. The molar mass of Cu is 63.55 g/mol the molar mass of S

8_murik_8 [283]

Answer:

0.87708moldm-3

Explanation:

$molar \: mass \: of \: cuso4 = 63.55 + 32.07 + 4(16.00) \\ =159.62gmol {}^{ - 1} \\ mole(n) = \frac{mass}{molar \: mass } \\ n = \frac{35}{159.62} \\ n = 0.21927mol \\ molarity = \frac{n}{v} \\ molarity = \frac{0.21927}{0.25} \\ molarity = 0.87708moldm {}^{ - 3}$

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2 years ago

What is the answer for chemestry when it says 1.204 times 10^24

Sphinxa [80]

Answer: This is called moles

Explanation: This is described to be the number of molecules, atoms or ions in a substance :)

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3 years ago