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Otrada [13]
2 years ago
13

Help ASAP How many moles of O2 are in 7.23 mol P

Chemistry
1 answer:
Rudiy272 years ago
3 0
Answered above

the other user
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What similarities and difference exist between electrons and neutrons? Consider charge, size, location and number.
Alborosie

<u>Charge:</u>

An electron has a negative charge and a <em>n</em>eutron has a <em>n</em>eutral charge.


<u>Size:</u>

Electrons have a really small mass whereas the neutron has a mass of about 1 amu.


<u>Location:</u>

Neutrons are found in center of an atom, but electrons are around it.


<u>Number:</u>

The number of electrons and neutrons in atom varies.

7 0
3 years ago
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
Which of the following is a reason to make an armature the parent of a creature
REY [17]

you have to show us the rest of it because we have no idea what your looking at. I'm sorry

3 0
3 years ago
1. A physician ordered 2.0 milligrams tetracycline to be given to a patient. If the tetracycline was available as 0.75 mg/mL of
Cerrena [4.2K]

Answer:

2.67 mL

Explanation:

The following data were obtained from the question:

Mass of tetracycline = 2 mg

Density of tetracycline = 0.75 mg/mL

Volume of tetracycline =?

We can obtain the volume of the tetracycline that should be given to the patient by applying the following equation:

Density = mass /volume

0.75 = 2 / volume

Cross multiply

0.75 × Volume = 2

Divide both side by 0.75

Volume = 2/0.75

Volume = 2.67 mL

Therefore, the volume of the tetracycline that should be given to the patient is 2.67 mL

6 0
3 years ago
Which of the following has the largest radius?<br><br><br> Answer:K
mixas84 [53]

Answer:

the answer is k? lol thanks

4 0
3 years ago
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