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2 years ago

What is the ideal gas law?

2 answers:

5 0

The law that the product of the pressure and the volume of one grammolecule of an ideal gas is equal to the product of the absolutetemperature of the gas and the universal gas <span>constant.</span>

ladessa [460]2 years ago

3 0

The ideal gas law is as follows:
PV=nRT
P=pressure
V=volume in Liters
n=number of moles
R= constant, .0821 atm x moles x K
T=temperature in Kelvin

It is a model for real gases that have low densities.

Hope this helps :)

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Calculate the specific heat capacity of a piece of ice if 1.30 kg of the wood absorbs 6.75×104 joules of heat, and its temperatu

Gre4nikov [31]

Answer:

$c=2.0769\ \frac{J}{g\ \textdegree C}$

Explanation:

-Specific heat capacity is given by the formula:

$q=mc\bigtriangleup T$

Where:

$q$ is the heat gained or loosed by the substance

$m$ is the mass of the substance

$c$ is the specific heat of the substance

$\bigtriangleup T$ is the change in temperature

#We make c the subject of the formula and substitute to solve for it:

$q=mc\bigtriangleup T\\\\c=\frac{q}{m\bigtriangleup T}\\\\\bigtriangleup T=(57-32)\textdegree C=25\textdegree C\\\\\therefore c=\frac{6.75\times 10^4J}{1.3\times 1000\ g\times 25\textdegree C}\\\\=2.0769 \ \frac{J}{g\ \textdegree C}$

Hence, the specific heat capacity of the ice is $2.0769 \frac{J}{g\ \textdegree C}$

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3 years ago

Someone send me a pic of a safety cartoon [drawn] neatly and all it needs is

Slav-nsk [51]

Just make a list of rules and draw it

4 0

3 years ago

What is the temperature of 0.750 mol of a gas stored in a 6,050 mL cylinder al 221 atm?

Rasek [7]

Answer:

T = 246 K

Explanation:

Given that,

Number of moles, n = 0.750 mol

The volume of the cylinder, V = 6850 mL = 6.85 L

Pressure of the gas, P = 2.21 atm

We need to find the temperature of the gas stored in the cylinder. We know that,

PV= nRT

Where

R is gas constant

T is temperature

So,

$T=\dfrac{PV}{nR}\\\\T=\dfrac{2.21\times 6.85}{0.75\times 0.0821}\\T=245.85\ K$

T = 246 K

So, the temperature of the gas is equal to 246 K.

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2 years ago

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Alla [95]

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3 years ago

What is the energy of a photon of green light with a frequency of 5.80 x 10^14/s

dedylja [7]

I'm not understanding that much. but if i'm right the answer is <span>3.84 x 10^-19 J</span>

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3 years ago