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Home Question Bank Chemistry Archive 2024 December 06

Chemistry Questions from Dec 06,2024

Browse the Chemistry Q&A Archive for Dec 06,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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¿Qué geometría presentan las siguientes moléculas o iones? Usa las tablas 10.1 y 10.2 del Chang a) SbF 5 b) \( \mathrm{IF}_{4}{ }^{+} \)c) \( \mathrm{SeO}_{3}^{-2} \) d) \( \mathrm{CrO}_{4}^{-2} \) 1.1 Discuss which system has higher entropy. a. One mole of ice or one mole of liquid water at \( 0^{\circ} \mathrm{C} \). b. One mole of iodine as a solid at room temperature or one mole of iodine as a gas at room temperature. c. One mole of liquid propanol or one mole of liquid dimethyl ether. (Hint: Which of the molecule can form hydrogen bonds?) 5. *Explain the ionic bond between magnesium and sulfur (question 4 above) in terms of electrons transferred, electrostatic force, and number of cations/anions. 4.3 Calculate the solubility of AgCl in \( (\mathrm{g} / \mathrm{L}) \) in a 0.0030 M NaCl solution. (The \( \mathrm{K}_{\mathrm{sp}} \) of AgCl is \( 1.77 \times 10^{-10} \).) \( [ C _ { 2 } H _ { 2 } + \ldots O _ { 2 } \rightarrow \_ CO _ { 2 } + \ldots H _ { 2 } O \) How many molecules are in 0.400 moles of \( \mathrm{N}_{2} \mathrm{O}_{5} \) 3. How many moles are \( 1.20 \times 10^{25} \) atoms of phosphorous? 1. How many moles of magnesium is \( 3.01 \times 10^{22} \) atoms of magnesium? 2. How many molecules are there in 4.00 moles of glucose. \( \mathrm{C}_{6} \mathrm{H}_{4} \mathrm{O}_{6} \) ? Practice Problem 4 4.1 The \( \mathrm{K}_{\mathrm{sp}} \) of \( \mathrm{Mg}(\mathrm{OH})_{2} \) is \( 4.0 \times 10^{-17} \). What is the solubility of \( \mathrm{Mg}^{2+} \) in water (in \( \left.\mathrm{g} / \mathrm{L}\right) \) at pH 7 ? A 0.682 mol sample of hydrogen gas is collected at a pressure of 692 mmHg and a temperature of \( \mathbf{2 2 . 0 ^ { \circ } \mathrm { C } \text { . }} \) The volume of the sample is Submit Answer
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