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luda_lava [24]
3 years ago
6

True or False - Changing the temperature will not affect the pressure of the mixture?

Chemistry
2 answers:
irina [24]3 years ago
7 0
The answer would most likely be true.
Anastaziya [24]3 years ago
6 0

Answer:

False

Explanation:

Let's break down the equation PV=nRT.

P=Pressure

V= Volume

n= number of mole

R= the universal constant

T= Temperature

The = sign is the barrier between them. Whenever one side of the equation increases, something on the other side is directly impacted. When Temperature increases, so will pressure--and vise versa.

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Un mol de amoniaco Tiene una masa molar de 17 g y ocupa un volumen de 22.4 l qué volumen ocupa el 50 g amoniaco en condiciones n
mr_godi [17]

Answer:

V  = 65.81 L

Explanation:

En este caso, debemos usar la expresión para los gases ideales, la cual es la siguiente:

PV = nRT  (1)

Donde:

P: Presion (atm)

V: Volumen (L)

n: moles

R: constante de gases (0.082 L atm / mol K)

T: Temperatura (K)

De ahí, despejando el volumen tenemos:

V = nRT / P   (2)

Sin embargo como estamos hablando de condiciones normales de temperatura y presión, significa que estamos trabajando a 0° C (o 273 K) y 1 atm de presión. Lo que debemos hacer primero, es calcular los moles que hay en 50 g de amoníaco, usando su masa molar de 17 g/mol:

n = 50 / 17 = 2.94 moles

Con estos moles, reemplazamos en la expresión (2) y calculamos el volumen:

V = 2.94 * 0.082 * 273 / 1

<h2>V = 65.81 L</h2>
4 0
3 years ago
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Rasek [7]

Answer:

Don't post any question if isn't related to the topic or to your homework or assignment.

Explanation:

7 0
2 years ago
BRAINLIESTTT ASAP!!! PLEASE ANSWER!
sladkih [1.3K]

If the item or substance has changed into a state where you are able to change it back such as:

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4 0
3 years ago
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How is crystallization used in the pharmaceutical industry (simple answer please)
Olegator [25]

Answer:

<h2>CRYSTALLIZATION :IMPORTANT IN THE PHARMACEUTICAL INDUSTRY.</h2>

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3 years ago
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40 g of CaCO3 is how many moles of CaCO3?<br> 10 moles<br> 0.4 moles<br> 40 moles<br> 100 moles
AleksandrR [38]

Answer:

0.4 moles

Explanation:

To convert between moles and grams you need the molar mass of the compound. The molar mass of of CaCO3 is 100.09g/mol. You use that as the unit converter.

40gCaCO3* 1mol CaCO3/100.09gCaCO3 = 0.399640 mol CaCO3

This rounds to 0.4 moles CaCO3

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3 years ago
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