Hello need help in part 18 and 19 kw: Ix10-14 at 25°C16. Is the dissociation of water an exothermic or endothermic process?The dissociation of water into ions is bond breakihis an endothermic process 14 is thereto le becausthe hy dro aen bond bet ween ions and in gaseo17. What happens to Kw as you LOWER the temperature of water?when the temperature is lowered the orward reactieis tavoured and move hydrogen 1ons and hydrOions are tormed.borovel odr18. What is the [OH] in a 50.0 mL solution of 0.050 M HCIO4?19. What is the [H'] in a 150.0 mL solution of 1.5x10 M Mg(OH)2?20-04-20Page 3 of 6

Since you have posted multiple questions, we are entitled to answer the first only.

Answered: 18. What is the [OH] in a 50.0 mL…

Science

Chemistry

18. What is the [OH] in a 50.0 mL solution of 0.050 M HC104?

Living By Chemistry: First Edition Textbook

1st Edition

ISBN:9781559539418

Author:Angelica Stacy

Publisher:Angelica Stacy

ChapterU5: Fire: Energy , Thermodynamics, And Oxidation-reduction

SectionU5.12: Over The Hill: Reversing Reactions

Problem 4E

See similar textbooks

Related questions

Q: (b) What are [H3O+], [OH -], and pH in a solution with a pOH of 4.19?

A: Since we know that pH + pOH = 14 => pH for the above case = 14 - pOH = 14 - 4.19 = 9.81

Q: is the pH of a solution with a pOH of 1.36? s the pOH of a solution with a [OH-] of 2.97 X

A: pH +pOH= 14 pOH = -log[OH-]

Q: A solution has a [H3O+] of 1 × 10−3 M. What is the [OH−] of the solution? A)11 M B)14 M C)1 ×…

A: Given : [H3O+] = 1 × 10−3 M. =10−3 M.

Q: What is the molarity of a nitric acid solution if 43.33 mL of 0.1000M KOH solution is needed to…

A: Balanced chemical equation: HNO3 + KOH → KNO3 + H2O By stoichiometry of reaction: Moles of…

Q: 4) How would you explain the difference between a weak acid (like HF) and a strong acid (like HNO3)?

A: Weak acids are HF, CH3COOH etc. Strong acids are HCl, HNO3 etc.

Q: Calculate the [H+] or [H3O+] in a solution that has a pH of 8.75.

A: Given: pH = 8.75.

Q: The pOH of a solution is 3.72. What is the OH¯ concentration in the solution?

A: We know that pOH is related to the OH- concentration by the following equation: pOH = - log10[OH-]…

Q: What is the pOH of a solution that has an H+=7.7x10^-7 M

A: The question is based on the concept of PH and pOH calculations. pH is defined as negative…

Q: Find the [OH-] in an acidic solution where [H+] = (6.0x10^-5)

A: An acid is a molecules which can donates protons or they are capable of donating hydrogens. Bases…

Q: Calculate [OH-] for a solution with a pOH of 8.03. What is the[H3O+] of this solution? What is the…

Q: Calculate [OH¯] for a solution where [H,O*] = 0.00379 M. %3D [OH¯] = M

A: For an aqueous solution, we know that the production of the concentration of the hydrogen ions and…

Q: If a solution has a pOH of 12.2, what is its [H3O+]?

Q: Calculate [OH¯] for a solution where [H,O*] = 0.00409 M.

A: • The values provided in the question are:- i) Hydronium ion concentration of a solution,…

Q: 1. Which volume of 2.0 M NAOH (aq) is needed to completely neutralize 24 mL of 1.0 M HCI (aq)?

A: Applying molarity equation M1V1 = M2V2

Q: A solution with a pOH of 5.55 has an [OH–] of __________

A: We know, pOH = - log[OH-] Or, log[OH-] = - pOH…

Q: The pOH of a solution is 3.43. What is the OH" concentration in the solution?

Q: 2) What is the pOH of a 0.0235 M HCI solution? 21 Wh at ie

A: We know that pH + pOH = 14 So, pOH = 14-pH

Q: Determine [OH"] in a solution where [Ca(OH)2] = 0.0204 M. [OH] =[ M

A: Hello. Since the question contains multiple parts, the first part is solved. In case the solution…

Q: What is the pH of a 0.00065 M solution of HI?

A: The pH of the solution has to be calculated,

Q: Which of the nine anions will form a gas when reacted with 3 M sulturic acid? so, O co, PO, NO, M…

A: This question can be answered on the basis of qualitative analysis of cations and anions.

Q: (Q4) What is the pH of a solution if the pOH is equal to 3.15?

A: We have to determine the PH of a solution given that POH = 3.15

Q: The pOH of a basic solution is 3.91. What is [OH⁻]?

Q: In an aqueous solution the [OH-] is 1.0 x 10- 6 M. What is the [H+]

A: At 25oC, the mathematical relation between molarities of H+ and OH- is given as: [H+][OH-]=1.0×10-14…

Q: Calculate the pOH in a solution that has [H+]= 4.7x10-8 M.

Q: The pOH of an acidic solution is 10.01. What is [H*]?

A: Find the solution below

Q: Complete the balanced molecular reaction for the following weak base with a strong acid: NaCIO(aq) +…

A: Given: The balanced molecular equation for a weak base with a strong acid has to be completed. A…

Q: Find the pH of a 0.043 M HClO4 solution.

A: Given :- concentration of HClO4 = 0.043 M To calculate :- pH of the solution

Q: A particular solution has a [OH−1] = 9.82×10−5. Calculate the [H+1] for this solution

Q: Calculate the pOH of a solution that has [OH-] = 3.6 x 10 -5 M

A: pOH of any solution is given by pOH = -log[OH- ] where [OH- ] = concentration of OH- ions in M

Q: If it requires 17.86 mL of a 0.278 M NaOH solution to titrate a 25.00 mL HCl solution, what is the…

Q: An aqueous solution has a pOH of 4.771. What is the H+ concentration (in M)?

A: pOH = 4.771 pH + pOH = 14

Q: What is the pOH of a 0.084 M HNO3 solution.

A: Concentration of HNO3 is 0.084 M HNO3 ⇌ H+ + NO3- So, 1 HNO3 will give 1 H+

Q: 9.) The pH of an HCl solution is 3.0. a.) What is the pOH of this solution? b.) What is the H3O+…

Q: What volume (in mL) of 0.2550 M HBr is required to neutralize 60.00 mL of 0.6000 M LiOH?

Q: pH

A: Step 1

Q: 39. What is the [H3O-] and [OH-] ion concentration respectively in a solution that contains 0.155 M…

Q: 2. It takes 83.0ml of 0.45M NaOH solution to neutralize 235.0ml of an HCI solution. What is the…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A solution formed by dissolving an antacid tablet has a pOH of 4.82. Calculate 3H+4.

A: We know that pH + pOH = 14 Given: pOH = 4.82 So, pH = 14 - 4.82 = 9.18

Q: What is the pOH of a solution that has [OH^-] = 2.7E-4 M

A: pOH can be expressed as -log[OH-]. It is used to represent basicity of a solution. If the pOH value…

Q: What volume (in mL) of 0.2250 M HBr is required to neutralize 60.00 mL of 0.6000 M LIOH?

A: Given: Concentration of LiOH = 0.6000 M Volume of LiOH to be neutralized = 60.00 mL. And the…

Q: A solution with a pOH of 11.70 has an [H3O+] of

Q: Calculate the concentration of all ions present in 63.8 mg NH4B1 in 500.0 mL of solution. MNH4 MBr

A: Given Mass of NH4Br = 63.8 mg = 63.8 × 10-3 gram ( 1 mg =…

Q: If a solution has a pOH of 5.2 the [OH-] of the solution is 6 x 10 M b. 6.3 x 10 M 1.58 x 105 M d. 2…

A: Given: pOH of the solution = 5.2

Q: Calculate [OH-] for a solution where [H,O*] = 0.00575 M. [OH¯] = M

A: For the given aqueous solution the concentration of the hydronium ion, [H3O+] is = 0.00575 M The…

Q: The pOH of a solution is 9.05. What is the H* concentration in the solution?

A: [OH-] = 10-pOH [H+].[OH-] = 10-14 [H+] = 10-14/ [OH-]

Q: If it takes 54.0 mL of 0.100 M NaOH to neutralize 125 mL of an HCI solution, what is the…

Q: A solution of H2S had a pH of 10.01. What was the [OH-]?

Question

100%

Hello need help in part 18 and 19

kw: Ix10-14 at 25°C
16. Is the dissociation of water an exothermic or endothermic process?
The dissociation of water into ions is bond breakih
is an endothermic process 14 is thereto le becaus
the hy dro aen bond bet ween ions and in gaseo
17. What happens to Kw as you LOWER the temperature of water?
when the temperature is lowered the orward reactie
is tavoured and move hydrogen 1ons and hydrO
ions are tormed.
borovel odr
18. What is the [OH] in a 50.0 mL solution of 0.050 M HCIO4?
19. What is the [H'] in a 150.0 mL solution of 1.5x10 M Mg(OH)2?
20-04-20
Page 3 of 6

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

ou place hot metal into a beaker of cold water. ol type='a'> Eventually what is true about the temperature of the metal compared to that of the water? Explain why this is true. i>Label this process as endothermic or exothermic if we consider the system to be the metal. Explain. the water. Explain.
Gas A2 reacts with gas B2 to form gas AB at a constant temperature. The bond energy of AB is much greater than that of either reactant. What can be said about the sign of H? SSurr? S? Explain how potential energy changes for this process. Explain how random kinetic energy changes during the process.
Would the amount of heat absorbed by the dissolution in Example 5.6 appear greater, lesser, or remain the same if the experimenter used a calorimeter that was a poorer insulator than a coffee cup calorimeter? Explain your answer.
Estimate ΔrH° for forming 2 mol ammonia from molecular nitrogen and molecular hydrogen. Is this reaction exothermic or endothermic?
9.52 Write the formation reaction for each of the following substances. (a) CH4(g) , (b) C3H(l) , (c) HCI(g), (d) C6H12O6(s) , (e) NaF(s)
How is average bond strength related to relative potential energies of the reactants and the products?
If an equation for a reaction is doubled and then reversed, how is the value of H changed?
Use the equation in Exercise 79 to determine H and S for the autoionization of water: H2O(l)H+(aq)+OH-(aq) T(C) KW 0 1.141015 25 1.001014 35 2.091014 40. 2.921014 50. 5.471014
When one mol of KOH is neutralized by sulfuric acid, q=56 kJ. (This is called the heat of neutralization.) At 23.7C, 25.0 mL of 0.475 M H2SO4 is neutralized by 0.613 M KOH in a coffee-cup calorimeter. Assume that the specific heat of all solutions is 4.18J/gC, that the density of all solutions is 1.00 g/mL, and that volumes are additive. (a) How many mL of KOH is required to neutralize H2SO4? (b) What is the final temperature of the solution?
Would the amount of heat absorbed by the dissolution in Example 5.6 appear greater, lesser, or remain the same if the heat capacity of the calorimeter were taken into account? Explain your answer.
Methane, CH4, can be converted to methanol, which, like ethanol, can be used as a fuel. The energy level diagram shown here presents relationships between energies of the fuels and their oxidation products. Use the information in the diagram to answer the following questions. (The energy terms are per mol-rxn.) (a) Which fuel, methanol or methane, yields the most energy per mole when burned? (b) Which fuel yields the most energy per gram when burned? (c) What is the enthalpy change for the conversion of methane to methanol by reaction with O2(g)? (d) Each arrow on the diagram represents a chemical reaction. Write the equation for the reaction that converts methane to methanol.
Calculate the enthalpy change when 1.0(1 g of methane is burned in excess oxygen according to the reaction CH,(g) 4- 2O2(g) ->CO2(g) + H-CH/) 1H = -891 kJ/mol