Homework Answers
![os. In the solution, .. [wwä] = mol L- & [Noz]=l moll Nhat (aq) + H+ (aq) + NHz (ag) (initial) IM (equilibrium) (1-2) M 3 x](http://img.homeworklib.com/questions/5c2d4900-d912-11eb-9d67-a956e1eb3a68.png?x-oss-process=image/resize,w_560)
Add Answer to:
17. If 1.0 mole of ammonium nitrite, NH.NO, was dissolved in 1.0 liter of water, which...
Consider the acid-base nature of ammonium nitrate, NH4NO3, when it is dissolved in water. (1) What...
Consider the acid-base nature of ammonium nitrate, NH4NO3, when it is dissolved in water. (1) What are the acid-base properties of the cation? _________acidic, basic, or neutral (2) What are the acid-base properties of the anion? _________acidic, basic, or neutral (3) Would an aqueous solution of ammonium nitrate be acidic, basic or neutral? _________
1. The acid ionization constant for Cu(H2O)6+2 when dissolved in water is 1.0 x 10-7. Calculate...
1. The acid ionization constant for Cu(H2O)6+2 when dissolved in water is 1.0 x 10-7. Calculate the pH of a 0.0760 M solution of this compound. 4.06 4.13 1.12 8.12 2. The mole fraction (X) of a solute in a solution is defined as ____. a. Moles of Solvent/Moles of all Solution Components b. Moles of Solute/Liters of Solvent c. Moles of Solute/Moles of Solvent d. Moles of Solute/Moles of all Solution Components 3. An aqueous solution is said to...
21. Which of these oxides will produce a basic solution when dissolved in water? A) CO2...
21. Which of these oxides will produce a basic solution when dissolved in water? A) CO2 B) SO C) P205 D) Rb20 Ks = 2.0 x 10-5 22. Calculate the pH of a 0.021 M NaCN solution. [K, = 4.9 x 10-10 A) 1.68 B) 3.18 C) 5.49 D) 7.00 E) 10.82 23. Which response gives the products of hydrolysis of KF? A) KOH + HF B) OH + HF C) KOH + H+F D) KH+ + OH E) No...
28. Describe the pH of the following salts? NaF, NH,CI, KI, NH.F A) acidic, basic, neutral,...
28. Describe the pH of the following salts? NaF, NH,CI, KI, NH.F A) acidic, basic, neutral, cannot tell without further information B) neutral, acidic, neutral, cannot tell without further information C) neutral, acidic, neutral, neutral D) basic, acidic, neutral, cannot tell without further information E) basic, acidic, neutral, neutral 29. Which of the following salts is(are) considered basic when dissolved in water? I NaNO IL K PO III NH C A) l only B) II only C) land il D)...
please help >< Polyprotic acids have more than one proton to donate to water, therefore have...
please help ><
Polyprotic acids have more than one proton to donate to water, therefore have more than one equilibrium constant for proton donation. For phosphoric acid, there is a three-step equilibrium: H, PO +H,0 5 H2PO4 + H30* H,PO," +H,0 5 HPO - +H30* HPO 2- +,0 5 PO.- +,0* Kai = 7.11 x 10-3 Ka2 = 6.32 x 10-8 Ka; = 4.5 x 10-13 For all conjugate acid base pairs: K, XKK where K is for the reaction...
4. When 0.100 mol ammonia is dissolved in water to make a 500 mL solution, the...
4. When 0.100 mol ammonia is dissolved in water to make a 500 mL solution, the following equilibrium is established NH3(aq) + H2O(0) - NH. (aq) + OH(aq) K = 1.8 x 10-5 a. Find the concentration of OH' and the pH of the solution at equilibrium. Remember: pOH = -log(OH) and pH + pOH = 14 b. Consider the following reaction: 2H2O(1) 2 H,0*(aq) + OH(aq) K = 1.0 x 10-14 Write the equilibrium expression and find the value...
1. Calculate the equilibrium concentrations of all species present and the pH of a solution obtained...
1. Calculate the equilibrium concentrations of all species present and the pH of a solution obtained by adding 0.100 moles of solid NaOH to 1.00 L of 15.0 M NH3. Kb = 1.8 × 10–5 2. One mole of a weak acid HA was dissolved in 2.0 L of water. After the system had come to equilibrium, the concentration of HA was found to be 0.45 M. Calculate the Ka for this weak acid. 3. Calculate the pH of a...
1. For each of the following species, indicate whether the resulting solution would be acidic, basic,...
1. For each of the following species, indicate whether the resulting solution would be acidic, basic, or neutral, if 1.00 mole of each were dissolved in 1.0 liter of water. Provide the predominant acid-base reaction that occurs to explain your choice. (a) NH4NO3 (b) K2CO3 (c) NaF (d) Al2(SO4)2 (e) KClO4 2. Assuming that no equilibria other than dissolution are involved, calculate the molar solubility of each of the following from its solubility product: (a) Ag2SO4 (Ksp= 1.2 x 10-5) (b)...
Which of the following statements is true of weak acids dissolved in water: They...
Which of the following statements is true of weak acids dissolved in water: They are completely ionized in water They are totally unionized in water They are partially ionized in water The dissociation constant is a function of pH QUESTION 13 Which of the following is a hydroxide ion? H3O+ OH- HOOH CH3OH2+ QUESTION 14 The following molecule is an example of which class...
Chem II Common Assignment: Equilibrium and Buffers 1. Calculate the equilibrium concentrations of all species present...
Chem II Common Assignment: Equilibrium and Buffers 1. Calculate the equilibrium concentrations of all species present and the pH of a solution obtained by adding 0.100 moles of solid NaOH to 1.00 L of 15.0 M NH3. Kb = 1.8 × 10–5 2. One mole of a weak acid HA was dissolved in 2.0 L of water. After the system had come to equilibrium, the concentration of HA was found to be 0.45 M. Calculate the Ka for this weak...
21. Which of these oxides will produce a basic solution when dissolved in water? A) CO2 B) SO C) P205 D) Rb20 Ks = 2.0 x 10-5 22. Calculate the pH of a 0.021 M NaCN solution. [K, = 4.9 x 10-10 A) 1.68 B) 3.18 C) 5.49 D) 7.00 E) 10.82 23. Which response gives the products of hydrolysis of KF? A) KOH + HF B) OH + HF C) KOH + H+F D) KH+ + OH E) No...
28. Describe the pH of the following salts? NaF, NH,CI, KI, NH.F A) acidic, basic, neutral, cannot tell without further information B) neutral, acidic, neutral, cannot tell without further information C) neutral, acidic, neutral, neutral D) basic, acidic, neutral, cannot tell without further information E) basic, acidic, neutral, neutral 29. Which of the following salts is(are) considered basic when dissolved in water? I NaNO IL K PO III NH C A) l only B) II only C) land il D)...
please help ><
Polyprotic acids have more than one proton to donate to water, therefore have more than one equilibrium constant for proton donation. For phosphoric acid, there is a three-step equilibrium: H, PO +H,0 5 H2PO4 + H30* H,PO," +H,0 5 HPO - +H30* HPO 2- +,0 5 PO.- +,0* Kai = 7.11 x 10-3 Ka2 = 6.32 x 10-8 Ka; = 4.5 x 10-13 For all conjugate acid base pairs: K, XKK where K is for the reaction...
4. When 0.100 mol ammonia is dissolved in water to make a 500 mL solution, the following equilibrium is established NH3(aq) + H2O(0) - NH. (aq) + OH(aq) K = 1.8 x 10-5 a. Find the concentration of OH' and the pH of the solution at equilibrium. Remember: pOH = -log(OH) and pH + pOH = 14 b. Consider the following reaction: 2H2O(1) 2 H,0*(aq) + OH(aq) K = 1.0 x 10-14 Write the equilibrium expression and find the value...
Most questions answered within 3 hours.
-
Please design 3 different and unique brackets consisting of TOP,
FRONT, RIGHT or LEFT views with...
asked 11 minutes ago -
La Niña conditions are forecasted to result in dry conditions in
the spring. You are trying...
asked 19 minutes ago -
The YTM on a 6-month $20 par value zero-coupon bond is 18%, and
the YTM on...
asked 20 minutes ago -
Write In JAVA:
Part 1
The use of computers in education is referred to as
computer-assisted...
asked 27 minutes ago -
Show all of your work and use the half-reaction method
for acidic redox reactions.
1.
H2O2aq+...
asked 29 minutes ago -
The Harry and Belinda Johnson Family Might Have a Career
Change
Harry has started out fine...
asked 35 minutes ago -
Tyler Company acquired all of Jasmine Company’s outstanding
stock on January 1, 2016, for $244,700 in...
asked 38 minutes ago -
In the guanidinium ion, [C(NH2)3] + , what is the best
description of the hybridizations of...
asked 42 minutes ago -
Could you please explain, how this code works?
public void addAfter(int element){
if (this.manyItems == 0){...
asked 52 minutes ago -
Does the complexity of the project dictate the estimating
method?
asked 48 minutes ago -
in regards to the movie FRIDA,
The movie has as its background the Mexican Revolution, thus:...
asked 53 minutes ago -
a) A given electrical circuit operating on "V" volts with "R"
ohms of resistance draws 5.8...
asked 57 minutes ago