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icang [17]
2 years ago
14

How can a chemical reaction be sped up?Select from the drop-down menu to correctly complete the statement.

Chemistry
1 answer:
lara31 [8.8K]2 years ago
8 0

Answer: Catalyst

Explanation: it speeds it up lol but basically the catalyst helps speed up the chemical reaction by reducing the activation energy or changing the reaction machenism/

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Matthew added a sample of sodium chloride to water and
viktelen [127]

Answer:

11.45

Explanation:

The ph is just 14-pOH so

14-2.55=ph=11.45

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2 years ago
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A chunk of copper has a volume of 1.45 mL and a mass of 12.93 grams. What is the density of the chunk of copper?
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Answer:

Density = 8.92 \ g/mL

Explanation:

The equation for density is:

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2 years ago
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Is iornIInitrate ionic or covalent
kondaur [170]

Answer:

Iron (II) nitrate is ionic compound

Explanation:

Formula:

Fe(NO₃)₂

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Iron loses its two electron which is accepted by nitrate.

Its molecular formula can be written as FeN₂O₆.

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it is mostly present in non hydrated form.

It is also known as ferric nitrate.

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7 0
3 years ago
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Sidana [21]

What did Dalton's atomic theory contribute to science?

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