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slava [35]
3 years ago
8

Why does air exert pressure?

Chemistry
2 answers:
Licemer1 [7]3 years ago
5 0

<u>Answer:</u> because air has mass.

<u>Reasoning:</u> The Atmosphere has little to do with the concept here.

Wind moving air, why would that resulting in pressure? Does wind push you aside make you exert pressure?

Though increased temperatures can increase pressure. It doesn't affect it fully.


pogonyaev3 years ago
4 0

the correct answer is the first one because air has mass.

when gases molecules hit a surface or wall or in a room, they exert forces on how much particles or how hard their hitting that surface. so the more wild (hot) the molecules are the more pressure there is.

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What are the uses of glycerin?<br>​
Ilia_Sergeevich [38]

Explanation:

This medication is used as a moisturizer to treat or prevent dry, rough, scaly, itchy skin and minor skin irritations (e.g., diaper rash, skin burns from radiation therapy). Emollients are substances that soften and moisturize the skin and decrease itching and flaking.

6 0
3 years ago
the empirical formula for a compound used as a green paint pigment is C2H3As3Cu2O8. The molar mass of its molecular formula was
melisa1 [442]

Answer:

Molecular formula = C₄H₆As₆Cu₄O₁₆

Explanation:

Given data:

Empirical formula = C₂H₃As₃Cu₂O₈

Molar mass of compound = 1013 g/mol

Molecular formula = ?

Solution:

Molecular formula = n (empirical formula)

n = molar mass of compound / empirical formula mass

Empirical formula mass  of C₂H₃As₃Cu₂O₈ is 506.897 g/mol

by putting values.

n = 1013 / 506.897

n = 2

Molecular formula = n (empirical formula)

Molecular formula = 2 (C₂H₃As₃Cu₂O₈)

Molecular formula = C₄H₆As₆Cu₄O₁₆

3 0
3 years ago
How many grams of PH3 will be produced if 6.0 l of H2 are used?
elena-s [515]

Mass of PH3= 6.086 g

<h3>Further explanation</h3>

Given

6.0 L of H2

Required

mass of PH3

Solution

Reaction

P4 + 6H2 → 4PH3

Assumed at STP ( 1 mol gas=22.4 L)

Mol of H2 for 6 L :

= 6 : 22.4 L

= 0.268

From the equation, mol PH3 :

= 4/6 x moles H2

= 4/6 x 0.268

= 0.179

Mass PH3 :

= 0.179 x 33,99758 g/mol

= 6.086 g

5 0
2 years ago
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Tamiku [17]
F₂ + 2 NaI → 2 NaF + I₂
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5 0
3 years ago
Which of the following is an example of symbiosis?
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D. One chimp cleaning and grooming the hair of another chimp
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