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Aleksandr-060686 [28]
3 years ago
15

At what temperature will 0.654 moles of helium gas occupy 12.30 liters at 1.95 atmospheres

Chemistry
1 answer:
pshichka [43]3 years ago
8 0

Answer:

477 K

Explanation:

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olganol [36]

look at the atomic number using the periodic table. The Atomic number equals the amount of protons and the amount of protons equals the amount of electrons

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Question 3(Multiple Choice Worth 4 points)
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It donates a hydrogen ion

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<h2>Plasma is most likely inflence by - Option C</h2>

This plasma is most likely influenced by magnetic and electric fields. The massive positively charged ions which are influenced the lighter electrons than replace the ions to keep charge impartiality.

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4 years ago
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A chemist performs the following reaction to make sodium nitrate
vagabundo [1.1K]

Answer:

See below

Explanation:

A chemist preforms the following: Neutralizing nitric acid (HNO3) with soda ash (Na2CO3). This reaction will then create sodium nitrate and carbonic acid, which will then decompose into water (H20)

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3 years ago
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1. La densidad de CCl4 (tetracloruro de carbono) es 1,58. g/mL.
Andre45 [30]

Answer:

La respuesta es

<h2>158 g</h2>

Explanation:

La masa de una sustancia cuando se le da la densidad y el volumen se puede encontrar usando la fórmula

<h3>masa = Densidad × volumen</h3>

De la pregunta

volumen = 100 mL

densidad = 1.58 g/mL

La masa de sustancia es

masa = 100 × 1.58

Tenemos la respuesta final como

<h3>158 g</h3>

Espero que esto te ayude

6 0
4 years ago
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