2 years ago

Matter is anything that has mass. What is the smallest unit of matter known as?

Chemistry

1 answer:

AveGali [126]2 years ago

8 0

Answer:

Atom

Explanation:

Its the smallest unit into which matter can be divided without the release of electrically charged particles.

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An open "empty" 2 L plastic pop container, which has an actual inside volume of 2.05 L, is removed from a refrigerator at 5 °C a

Pani-rosa [81]

2.168 L of air will leave the container as it warms

<h3>Further explanation</h3>

Given

V₁=2.05 L

T₁ = 5 + 273 = 278 K

T₂ = 21 + 273 = 294 K

Required

Volume of air

Solution

Charles's Law

When the gas pressure is kept constant, the gas volume is proportional to the temperature

$\tt \dfrac{V_1}{T_1}=\dfrac{V_2}{T_2}$

Input the value :

V₂=(V₁.T₂)/T₁

V₂=(2.05 x 294)/278

V₂=2.168 L

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3 years ago

What is the pressure in mm hg of a 0.025 mole sample of co2 at 350 k in a 200 l container?

Leni [432]

Answer:

0.65mmHg

Explanation:

Take R =8.314J/mol/K

V=200dm3

PV=nRT

P=0.025×8.314×623/200

=0.65mmHg

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1 year ago

Why do you think the location surrounding the pacific ocean is known as the ring of fire

snow_tiger [21]

It is on a plate boundary so there are a lot of volcanoes in that area. All the volcanoes form a "ring" around the plate boundary.

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2 years ago

Electricity is the _of charged<br> particles.<br> A.movement<br> B. collection<br> C.build up

Vitek1552 [10]

Answer:

Explanation:

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3 years ago

What happens after excitation in spectroscopy.<br>

Bess [88]

Answer:

When a molecule is excited to a higher state it often ends up in its lowest excited state S1 and then emits radiation.

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3 years ago