Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the appropriate equilibrium equation for the acid or base that exists when the salt is dissolved in aqueous solution. If neutral, simply write only NR. Be sure to include the proper phases for all species within the reaction. CsBr
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- Chapter Four Practice Redox Reactions 1. List the oxidation number for each element in each of the following: Bicarbonate ion (b) Chromium (III) hydroxide Chromate ion 2. Identify the oxidation and reduction processes in the following (unbalanced) reaction: Cl₂(a) + Cr(OH), à C+Cro, Precipitation Reactions 1. Will a mixture of lithium hydroxide and magnesium sulfate solutions form a precipitate? If so, write the net-ionic equation that explains the precipitation formation. 2 Copper (II) nitrate will react with sodium hydroxide to form a precipitate in aqueous solution. (4) Write the net ionic equation. What volume of 0.200 M copper (II) nitrate solution will react completely with 50.0 mL of a 0.100 M NaOH solution? (Ans: 12.5 mL) Acid-Base Reactions 1. Write the net-ionic equation for the reaction of phosphoric acid and sodium hydroxide. 2. What is the molarity of an acetic acid solution if 0.500 g of calcium hydroxide is required to neutralize 15.31 mL of it? (Answer: 0.882 M) 3. How…Derive: E V D 1. AV (BA-C) 2.. A-D 3. FC→EQI] (15 Marks) Explain formation of covalent bonds in the following chemical compounds (using three theories). NH. KF Ar:. C:Br:H: , BeCl.
- Figure 1 shows the crystal structure of sodium chloride salt (Nacl). Let the effective radius of Na be 2.9 A* and the effective radius of Cl be 3.9 A i. Find the lattice constant of Nacl i. Determine the volume density of Na ii. Determine the volume density of Cl. iv. Calculate the packing factor for Na V. Calculate the packing factor for Cl vi. Calculate the packing factor for both Na and Cl. - Na* - Cl Figure 1. Crystal structure of NaCl.9:19 Question 14.b of 16 The value of Kp for the reaction 2 A(g) + B(g) + 3 C(g) → 2 D(g) + E(g) is 10490 at a particular temperature. Submit What does the magnitude of Kp tell us about the equilibrium position of the reaction? A) There are many more products than reactants. B) There are only a few more products than reactants. C) There are many more reactants than products. D) There are only a few more reactants than products. Tap here or pull up for additional resourcesFigure 1 shows the crystal structure of sodium chloride salt (NaCI). Letthe effective radius of Na be 7 A' and the effective radius of CI be 8 A i. Find the lattice constant of Nacl ii. Determine the volume density of Na ii. Determine the volume density of Cl. Calculate the packing factor for Na Calculate the packing factor for Cl iv. v. vi. Calculate the packing factor for both Na and Cl. Na* -C Figure 1. Crystal structure of NaCl.
- 9:43 Question 8 of 17 If the reaction quotient (Q) is larger than the equilibrium constant (K) for a reaction then which way will the reaction proceed? A) The reaction will proceed toward products B) The reaction will proceed towards reactants. Submit C) The reaction is at equilibrium and the reaction will stop completely. D) The reaction is at equilibrium and the reaction will proceed at equal rates in the reverse and forward direction. E) The reaction equation is required to answer this question. Tap here or pull up for additional resourcessolution in pyAnswer only for (a) and (b) and (c)
- A spontaneous exothermic reaction at a constant temperature and pressure of 50∘C and 2.0 atm has an enthalpy decrease of 350 kJ. This reaction performs 150 kJ of useful work, which is 54% of the maximum work that could be done. What is the reaction’s change of entropy? Express your answer to two significant figures and include the appropriate units.show all rhe conditions.plesase solution with explain