Topic
Q:
Ejemplo 2: Una jeringa tiene un volumen de \( 10,0 \mathrm{~cm}^{3} \).
La presión es \( 1,0 \mathrm{~atm} \). Si tapas el extremo para que no
pueda escapar ningún gas, y empujas el vástago,
¿cuál debería ser el volumen final para cambiar
la presión a 3,5 atm?
Q:
Nombre y Apellido: Luna Enrico
1) Formular las reacciones paya obtener el yoduro cobáltico. Dar nombres. -
2) Formular las reacciones para obtener el silicato de iridio (VI). Dar nombres. -
Q:
Ciew Policies
Choose the atom with the more exothermic electron affinity in each pair:
a) S or As:
b) P or O:
eTextbook and Media
Q:
\( Al _ { 2 } O _ { 3 } + H _ { 2 } SO _ { 4 } \rightarrow Al ( SO _ { 4 } ) _ { 2 } + H _ { 2 } O \)
Q:
17. Which of the following best describes a fuel cell?
(12.3)
(a) an electric cell that consumes reactants from
an outside source
(b) an electric cell that converts water into
hydrogen and oxygen
(c) an electric cell that produces fossil fuels
through combustion
(d) an electric cell that relies on heat instead of
chemicals
Q:
Current Attempt in Progress
Choose the larger atom in each pair:
Mg or S
Q:
Current Attempt in Progress
If the core electrons were \( 100 \% \) effective at shielding the valence electrons from the nuclear charge and the valence electrons
provided no shielding for each other, what would be the effective nuclear charge felt by valence electrons in:
Mg
Si
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Q:
btención
1. Oxido mangánico
2. Oxido paládico
3. Oxido férrico
4. Oxido de Zinc
5. Oxido niqueloso
Q:
Draw the following species (use VSEPR to draw the correct shape) and indicate
the hybridization of the central atom in the following:
(a) \( \mathrm{AsCl}_{3} \)
(b) \( \mathrm{CH}_{2} \mathrm{O} \)
(c) \( \mathrm{PCl}_{2} \mathrm{~F}_{3} \)
(d) \( \mathrm{CCl}_{2} \mathrm{~F}_{2} \)
(e) \( \mathrm{ICl}_{2}^{-} \)
(f) \( \mathrm{IF}_{6}^{+} \)
Q:
The deposition of aluminium is represented by the
equation:
\( \mathrm{Al}^{3+}\left(\right. \) eq \( +3 \mathrm{e} \rightarrow \mathrm{Al}_{(s)} \)
The equation shows that:
3 F would deposit 1 mole of Al
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