3 years ago

A new material formed in a chemical reaction is called a?

1 answer:

7 0

Products

Chemical reactions are characterized by the formation of new products, and the making and breaking of strong chemical bonds.

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What is the Kb expression for aniline (C6H5NH2)?

Dimas [21]

This is what i got The KB expression for aniline c6h5nh2 is: For C6H5NH2 + H2O >< C6H5NH3+ <span>OH-Kb = 4.3 x (10 ^ -10) = [C6H5NH3+][OH-] / [C6H5NH2]

hope this helps:)

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4 0

3 years ago

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Atoms with greatly different electronegativity values are expected to form _____. no bonds ionic bonds none of these covalent bo

Ad libitum [116K]

<span>Atoms with greatly different electronegativity values are expected to form </span>ionic bonds

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3 years ago

Hydrogen gas and fluorine gas will react to form hydrogen fluoride gas. What is the standard free energy change for this reactio

Marta_Voda [28]

Answer:

$\Delta G=-541.4kJ/mol$

Explanation:

Hello there!

In this case, according to the given information, it turns out firstly necessary to write out the described chemical reaction as shown below:

$H_2+F_2\rightarrow 2HF$

Now, we set up the expression for the calculation of the standard free energy change, considering the free energy of formation of each species, specially those of H2 and F2 which are both 0 because they are pure elements:

$\Delta G=2\Delta G_f^{HF}-(\Delta G_f^{H_2}+\Delta G_f^{F_2})\\\\\Delta G=2*-270.70kJ/mol-(0kJ/mol+0kJ/mol)\\\\\Delta G=-541.4kJ/mol$

Regards!

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2 years ago

Which statement best describes what is taking place?

muminat

Therefore Chlorine is losing electrons and being oxidized. Hope it helps.

7 0

3 years ago

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Liquidtight flexible nonmetallic conduit marked as ____ has a smooth seamless inner core and cover bonded together and one or mo

DanielleElmas [232]

Answer:

LFNC-A

Explanation:

Liquidtight Flexible Non-Metallic Conduit Type LFNC-A is a layered raceway of circular cross section with a smooth flexibly polyvinyl chloride (PVC) inner layer with a reinforcing layer covered with a flexible polyvinyl chloride (PVC) jacket.

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3 years ago