3 years ago

The Haber process generates ammonia from nitrogen and

1 answer:

6 0

Yes sir that’s what I do for the kids and the kids I don’t have any money for that one so that’s what I want to learn and how to do that I don’t have any money for that money for you to get for you

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What are the 2 layers of continental crust called?

noname [10]

Answer:

silica + aluminum or silica +magnetism

Explanation:

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4 years ago

Estimate the standard internal energy of formation of liquid methyl acetate (methyl ethanoate, ch3cooch3) at 298 k from its stan

LenKa [72]

solution:

$the reaction for formation of methyl acetate is\\CH_{3}OH+CH_{3}COOH----------->CH_{3}COOCH_{3}+H_{2}O\\standard internal energy \\\delta u=\delta H -\delta(pv)=\delta H -\delta n\times RT\\where \delta n=change in number of moles=0\\\delta u=\delta H\\=-442kj/mol$

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3 years ago

Read 2 more answers

How many millimeters of 5 M NaCl are required to prepare 1500 mL of 0.002 M NaCl?

timurjin [86]

Answer:

The correct answer is 0.6 mL.

Explanation:

We use the mathematical expression:

Ci x Vi = Cf x Vf

Where Ci is the initial concentration (5 M); Cf and Vf refers to final concentration (0.002 M) and final volume (1500 mL). With the given data, we calculate the initial volume (Vi):

Vi = (Cf x Vf)/Ci = (0.002 M x 1500 mL)/(5 M) = 0.6 mL

Therefore, we need 0.6 mL of 5 M NaCl to prepare the solution with the requested dilution.

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3 years ago

What name is given to substances in which atoms of two or more elements are chemically combined?

anygoal [31]

Answer:

Compounds

Explanation:

Substances in which atoms of two or more elements are chemically combined are called compounds.

A compound is a substance formed when two or more elements are chemically joined.

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