Which element of art would this tool help an artist to understand?

Chemistry

1 answer:

Sergeeva-Olga [200]3 years ago

5 0

C: Knowing what color collaborates with others helps create wonderful master Pieces :D<span />

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Which one is a true statement about endothermic reactions? A. I need you from an outside source is continuously being added. B.

tekilochka [14]

Correct answer: "A. Energy from an outside source is continuously being added."
An endothermic reaction is a reaction that is characterised by the system absorbing energy from its surroundings. That energy is usually in heat form. For example, when mixing water<span> with potassium chloride, this reaction will absorb heat and the container will feel cold - endothermic reaction.</span>

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3 years ago

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Brainliest to the best answer.

givi [52]

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3 years ago

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The equation for the synthesis of ammonia is below. How many moles of H 2 are

kkurt [141]

Moles of H₂ are needed to produce 9.33 moles of NH₃ : 13.995

<h3>Further explanation</h3>

A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products.

The reaction coefficient in a chemical equation shows the mole ratio of the reactants and products

Reaction for the synthesis of ammonia :

N₂+3H₂⇒2NH₃

moles of NH₃ = 9.33

From equation, mol ratio of H₂ : NH₃ = 3 : 2, so mol H₂ :

$\tt =\dfrac{3}{2}\times 9.33\\\\=13.995$