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3 years ago

I am one percent away from failing. I just need help. No false answers

Chemistry

1 answer:

Basile [38]3 years ago

6 0

Answer:

I did it in steps in the picture I just hope it helps you to understand:)

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A hot metal plate at 150°C has been placed in air at room temperature. Which event would most likely take place over the next fe

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3 years ago

In a closed container with a fixed volume, when the temperature of a gas doubles, the pressure of the gas is?

nevsk [136]

Answer:

The pressure of the gas is:

Doubled

Explanation:

Byole's Law = Pressure of fixed amount of gas is inversely proportional to Volume at constant temperature.

PV = k = constant

P1V1 = P2V2

Charle's Law: The volume of ideal gas at fixed pressure is directly proportional to Pressure.

V/T = constant

V1/T1 = V2/T2

On combinig the charles and byole's law , we get:

$\frac{P_{1}V_{1}}{T_{1}}=\frac{P_{2}V_{2}}{T_{2}}$

Now , According to question :

V2 = V1

T2 = 2(T1)

We have to find the relation between the pressure :

insert the value in the equation

$\frac{P_{1}V_{1}}{T_{1}}=\frac{P_{2}V_{2}}{T_{2}}$

$\frac{P_{1}V_{1}}{T_{1}}=\frac{P_{2}V_{1}}{2T_{1}}$

V1 and V1 & T1 and T1 cancels each other,

So we get

P2 = 2 P1

So the new pressure is double of the original pressure

3 0

3 years ago

Potential energy is...

AfilCa [17]

D. Dependent on an objects position

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3 years ago

I've a project about (air pollution), I want a questions about the topic, can anyone help me pls?

Gnom [1K]

Answer:

different ways to pollute the air

Explanation:

just think of it like this what is black smoke to nothing lol the black smoke goes up into the atmosphere and pollutes the air just as somebody throwing trash into the ocean and polluting the ocean

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3 years ago

The phase of a sample of a molecular substance at STP is not determined by its

MAVERICK [17]

Phase is not determined by the number of molecules, as a substance with any number of molecules can be either solid, liquid, or gas.
Arrangement of molecules and molecular structure matter, since solids are closely packed together, gases are not, and liquids are in between. Intermolecular forces are also stronger for solids and liquids than they are for gases.

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4 years ago

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