Topic
Q:
11. \( \left[\mathrm{H}^{+}\right]=2.3 \times 10^{-5} \)
Q:
\( H _ { 2 } SO _ { 4 } + NaOH \xrightarrow [ I ] { \rightarrow } Na _ { 2 } SO _ { 4 } + H _ { 2 } O \)
Q:
Calculate the pH at \( 25^{\circ} \mathrm{C} \) of a 0.52 M solution of anilinium chloride \( \left(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{3} \mathrm{Cl}\right) \). Note that aniline \( \left(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}\right) \) is a weak base with a \( p K_{b} \) of 4.87 .
Round your answer to 1 decimal place.
Q:
Question 1
Which of the following is the correct Lewis Dot Structure for \( \mathrm{SCl}_{4} \) ?
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Q:
(1) Se inicia con una sin. de 100 Molar y se realizan 3 diluciones
seriadas cada una con un f.o. 1/10. Cuäl sera la [Ifinal?
Q:
How do you determine the correct coefficients to balance a chemical equation?
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Q:
What initial volume of a \( 15 \%(\mathrm{~m} / \mathrm{v}) \) mannose solution is needed to prepare 125 mL of a \( 3.0 \% \)
\( (\mathrm{~m} / \mathrm{v}) \) mannose solution?
Q:
(c) Metals have a metallic bond.
(1) Describe metallic bonding in sodium metal.
Q:
1. Diez litros de hidrogeno a 1 atmósfera de presión están contenidos en un cilindro
que tiene un pistón móvil. El pistón se mueve hasta que la misma masa de gas ocupa
2 litros a la misma temperatura, encuentre la presión en el cilindro, exprésela er
mmHg .
Q:
In \( \mathrm{Cr}_{2} \mathrm{O}_{7}{ }^{2-} \), the oxidation state of Cr is \( \square \) and \( \mathrm{O}_{\text {is }} \square \)
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