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3 years ago

Give the formula or name for the following binary acids:

Chemistry

1 answer:

ICE Princess25 [194]3 years ago

8 0

Answer:

Formula and name of the binary acids.

Hydrochloric acid - HCl - Hydrogen chloride

Hydrobromic aci - HBr - Hydrogen bromide.

Explanation:

A substance which produces hydronium ions into water called binary acids.

most of the acids contain hydrogen in their chemical formula.

A binary acid composed of a hydrogen cation bonded to the one other element.

For example, HCl,HF and HI

The name and formula of the given binary acids is as follows.

Hydrochloric acid - HCl - Hydrogen chloride

Hydrobromic aci - HBr - Hydrogen bromide.

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3 years ago

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3 years ago

A tank contains an ideal gas mixture of 5 g of O2 and 8 g of CO2 at 160kPa and specified temperature. If O2 were separated from

erica [24]

Answer:

74 or 74 kPa.

Explanation:

Hello,

In this case, based on the initial information, it is seen that the oxygen and the carbon dioxide form the mixture at 160 kPa, thus, by isolating the oxygen, its pressure will be equal to its initial partial pressure because it gets isolated, hence, we compute its molar fraction as:

$x_{O_2}=\frac{5gO_2*\frac{1molO_2}{32gO_2} }{5gO_2*\frac{1molO_2}{32gO_2} +8gCO_2*\frac{1molCO_2}{44gCO_2} } =0.46$

Therefore, its initial pressure turns out:

$p_{O_2}=160kPa*0.46=73.9kPa$

Such pressure will be the oxygen's pressure once it is isolated. Finally, considering the request, the answer will be just 74 (by rounding to the nearest integer and without units).

Best regards.

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3 years ago