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3 years ago

Give the symbol for the element with the following orbital diagram:

Chemistry

1 answer:

wel3 years ago

5 0

Answer: 0%

Explanation:

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8- Which of the following statements about a catalyst is true?"

Minchanka [31]

Answer:

B) A catalyst can accelerate a reaction.

Explanation:

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3 years ago

What has covalent bonds

trapecia [35]

Answer:

Anything that shares electrons.

Explanation: This means they don't transfer electrons.

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3 years ago

. The net ionic equation for the reaction that occurs during the titration of nitrous acid with sodium hydroxide is (a) HNO2 Na

hjlf

Answer:

$H^+_{(aq)}+OH^{-}_{(aq)}\rightarrow H_2O_{(l)}$

Explanation:

Complete ionic equation : In complete ionic equation, all the substance that are strong electrolyte and present in an aqueous are represented in the form of ions.

Net ionic equation : In the net ionic equations, we are not include the spectator ions in the equations.

Only the species which are present in aqueous state dissociate.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

(a)

The balanced molecular equation will be,

$HNO_2_{(aq)}+NaOH_{(aq)}\rightarrow H_2O_{(l)}+NaNO_2_{(aq)}$

The complete ionic equation in separated aqueous solution will be,

$H^+_{(aq)}+NO_2^-_{(aq)}+Na^+_{(aq)}+OH^{-}_{(aq)}\rightarrow H_2O_{(l)}+Na^+_{(aq)}+NO_2^-_{(aq)}$

In this equation the species present are, $Na^+\text{ and }NO_2^-$ are the spectator ions.

Hence, the net ionic equation contains specie is

$H^+_{(aq)}+OH^{-}_{(aq)}\rightarrow H_2O_{(l)}$

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3 years ago

What must the melting point of the mold be compared to the temperature at which class get soft and why

stiv31 [10]

The answer is that the mold melting point must be higher then molten glass, otherwise the mold would melt when molten glass is poured into it .

I hope this helps :)

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3 years ago

Which atomic model proposed that electrons move in specific orbits around the nucleus of an atom?

Brilliant_brown [7]

Hi there ,
The Bohre's atomic model represents movement of electrons in specific orbit around the nucleus of an atom.
Hope it helps.

4 0

3 years ago

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