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Semenov [28]
3 years ago
11

According to Le Chatelier's principle, increasing the pressure of the system shown below will shift equilibrium to the left (tow

ards reactants).N2 (g) + 3H2 (g) = 2NH3 (g)
True or False
Chemistry
1 answer:
Fantom [35]3 years ago
8 0
False
(Increasing the pressure shift equilibrium to the right).
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How do the isotopes of an element differ? How are they the same?
OverLord2011 [107]

Answer:

They differ by their atomic mass and have same proton number.

Explanation:

Isotopes are atoms of the same element with the same proton or atomic number but with different atomic masses.

7 0
3 years ago
Según la Organización Mundial de la Salud, el nitrato de plata ( densidad = 4.35 g/cc ) es una sustancia con propiedades cáustic
OlgaM077 [116]

Answer:

737.52 mL de agua

Explanation:

En este caso solo debes usar la expresión de molaridad de una solución la cual es:

M = moles / V

Donde:

V: Volumen de solución.

Como queremos saber la cantidad de agua, queremos saber en otras palabras cual es la cantidad de solvente que se utilizó para preparar los 800 mL de disolución.

Una disolución se prepara con un soluto y solvente. El soluto lo tenemos, que es el nitrato de plata. Con la expresión de arriba, calculamos los moles de soluto, y luego su masa. Posteriormente, calculamos el volumen con la densidad, y finalmente podremos calcular el solvente de esta forma:

V ste = Vsol - Vsto

Primero calcularemos los moles de soluto:

moles = M * V

moles = 2 * 0.800 = 1.6 moles

Con estos moles, se calcula la masa usando el peso molecular reportado que es 169.87 g/mol:

m = moles * PM

m = 1.6 * 169.87 = 271.792 g

Ahora usando el valor de la densidad, calcularemos el volumen de soluto empleado:

d = m/V

V = m/d

V = 271.792 / 4.35

V = 62.48 mL

Finalmente, la cantidad de agua necesaria es:

V agua = 800 - 62.48

V agua = 737.52 mL

8 0
4 years ago
How many molecules are present in 2 H₂ SO4​
Delvig [45]

Answer:

1 mol of H2SO4 contains 6.022 x 10^23 molecules. : 0.5 mol of H2SO4 contains 0.5 x 6.022 x 10^23 molecules. = 3.011 x 10^23 molecules . that is 49 g of H2SO4 contains 3.011 x 10^23 molecules of H2SO

Explanation:

3 0
3 years ago
Help me solve. this is science. Which one is it
Vladimir [108]

Answer:

d is the correct answer i think

7 0
3 years ago
Kati was in the kitchen when she heard a crash. She went into her bedroom and found her window broken and a baseball lying on th
dimulka [17.4K]
B. inference because she drew a conclusion based on evidence.

Because the evidence was that she heard the crashing sound, and then when she came into her room saw the broken window and baseball.

It was not an observation because she did not directly see the baseball going through the window

8 0
3 years ago
Read 2 more answers
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