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2 years ago

If a gas is moved from a large container to a small container but its temperature and number of moles remain the same, wh

Chemistry

2 answers:

polet [3.4K]2 years ago

7 0

Answer : The correct option is, It would increases.

Explanation :

Boyle's Law : It is defined as the pressure of the gas is inversely proportional to the volume of the gas at constant temperature and number of moles.

$P\propto \frac{1}{V}$

From this we conclude that, the pressure is inversely proportional to the volume that means, as the pressure increases the volume will be decreases and pressure decreases the volume increases.

As per question, when the gas is moved from a large container to a small container then the pressure of the gas increases.

Hence, the correct option is, It would increases.

Anni [7]2 years ago

3 0

Answer:

the pressure would increase.

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. Metallic iron has a body-centered cubic lattice with all atoms at lattice points and a unit cell whose edge length is 286.6 pm

adell [148]

Answer:

$\large \boxed{\text{55.8 u}}$

Explanation:

1. Calculate the volume of the unit cell

V = l³ = (2.866 × 10⁻⁸ cm)³ = 2.354 × 10⁻²³ cm³

2. Calculate the mass of a unit cell

$\text{Mass} = 2.866 \times 10^{-23}\text{ cm}^{3} \times \dfrac{\text{7.87 g}}{\text{1 cm}^{3}} = 1.853 \times 10^{-22} \text{ g}$

3. Calculate the mass of one atom

A body-centred unit cell contains two atoms.

$\text{Mass of 1 atom} = \dfrac{1.853 \times 10^{-22} \text{ g}}{\text{2 atoms}} \times \dfrac{\text{1 u}}{1.661 \times 10^{-24}\text{ g}} = \textbf{55.8 u}\\\\\text{The molar mass of Fe from the Periodic Table is $\large \boxed{\textbf{55.845 g/mol}}$}$

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3 years ago

What kind of ocean ecosystem did the author of this text ask questions about

shutvik [7]

Forests and prairies are examples of ecosystems on land. An ecosystem is a community of living things. Members survive by interacting with each other and with their environment. At first glance, the ocean seems like one big ecosystem.

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3 years ago

Which of the following does not describe a characteristic of carbon

8_murik_8 [283]

What are the options? I can try to give you an answer if options are provided.

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3 years ago

How molecules of N2 gas can be present in a 2.5 L flask at 50°C and 650 mmHg?

ratelena [41]

Answer:

0.482 ×10²³ molecules

Explanation:

Given data:

Volume of gas = 2.5 L

Temperature of gas = 50°C (50+273 = 323 k)

Pressure of gas = 650 mmHg (650/760 =0.86 atm)

Molecules of N₂= ?

Solution:

PV= nRT

n = PV/RT

n = 0.86 atm × 2.5 L /0.0821 atm. mol⁻¹. k⁻¹. L × 323 k

n = 2.15 atm. L /26.52 atm. mol⁻¹.L

n = 0.08 mol

Number of moles of N₂ are 0.08 mol.

Number of molecules:

one mole = 6.022 ×10²³ molecules

0.08×6.022 ×10²³ = 0.482 ×10²³ molecules

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3 years ago

What is a logical way that you could begin to investigate why your tire had low air pressure? Look to see if there is a hole in

MrRissso [65]

Answer:

Any of the answers given will work

Explanation:

I literally just did it.

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2 years ago

Read 2 more answers