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Trava [24]
3 years ago
11

What is the cornaviris?

Chemistry
2 answers:
kakasveta [241]3 years ago
7 0

Answer:

its a bad diease that is killing a lot of people all over the world

Explanation:

Veronika [31]3 years ago
3 0

Answer:

A contagious virus

Explanation:

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BaSO₄ is relatively harmless, but BaS is highly toxic.

BaSO₄ is quite insoluble (240 µg/100 mL). It is a <em>mild irritant</em> in cases of skin contact and inhalation. However, it is <em>safe enough</em> that health professionals ask patients to drink a suspension of BaSO₄. The Ba is opaque to X-rays, so it makes the stomach and intestines more visible to radiographers.

BaS is soluble (7.7 g/100 mL). It reacts slowly with water and more rapidly in the acid conditions of the stomach to <em>release H₂S</em>.

BaS + 2HCl ⟶ BaCl₂ + H₂S

An H₂S concentration of 60 mg/100 mL can be <em>fatal within 30 min</em>.

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