Mixing 2.00 mL of 2.00 M HNO3 and 2.00 mL of 2.00 M KOH causes the temperature of the two at 42.6°C to become 62.4°C. Calculate the heat of neutralization.

Q: A neutral solution of water at a particular temperature has a concentration of OH⁻ of 9.7 × 10⁻⁷ M.…

A: Given⇒       OH-=9.7×10-7M            KW=?

Q: Vrite the dissociation reactions for KI(aq) in water and for (NH4)2S2O8 (aq) in wate

A: Dissociations reactions are those reaction in which the compound dissociates into two or more…

Q: Which of the following liquids pairs can be mixed with each other? Pair #1: Propionic acid…

A: Given: Three pairs are given: Propionic acid and water Nonane and water Decane and carbon…

Q: When we discussed LeChatelier's Principle, we discussed the concept of supersaturated solutions. A…

A: Le Chatelier's Principle: This principle states that when any system at equilibrium for a long…

Q: In what sense is a strong electrolyte “strong”? What prop-erty of the substance makes it a strong…

A: An electrolyte is defined as the substance when it gets dissolved in the solvent produces…

Q: What do you mean by triple point for CO2?

A: In thermodynamics, there exists a particular temperature and pressure at which all three phases-…

Q: 3. ROOR. heat HCI 4.| H* H20 oxidation BH6 5.

A: Since you have posted question with multiple subparts , as per the guidelines we can answer only…

Q: Write the reactions H2O/NAOH H;O/HCI NH | CH,OH/H*

A: The reaction of 2-Pyrrolidone with NaOH/H2O is shown below. The reaction of 2-Pyrrolidone with…

Q: Calculate the standard enthalpy change for the reaction of an aqueous solution of barium hydroxide,…

A:

Q: 50.0 g of water at 22 °C is mixed with 125 g of water initially at 36 °C. What is the final…

A: Heat lost by hot water is just equal to heat gained by cold water.

Q: Solubility (grams of solute/100 g H,O) 8 8 8 8 & 8 8 8 10

A: The solubility graph is given below :

Q: One cup of fresh orange juice contains 124 mg of ascorbic acid. Given that one cup = 236.6 Ml.…

A: Given,Ascorbic acid = 124 mgVolume = 236.6 mL

Q: A neutral solution of water at a particular temperature has a concentration of OH⁻ of 2.9 × 10⁻⁷ M.…

A: For the neutral solution of water, [OH-] = 2.9 × 10⁻⁷ M Kw = ?

Q: During a tuning test an automobile engine consumes 4.40 × 10−3 mol of octane and 5.50 × 10−2 mol of…

A: A question based on mole concept, which is to be accomplished.

Q: If 121 grams of calcium chloride (CaO ere added to water to make 2 L of

A: Molarity is defined as number of moles of solute dissolved per liter.

Q: Calculate the following based on dissolving 13.7 g of sodium chlorate in 856 mL of water. (Assume…

A:

Q: write a balanced equations and indicate the state. HCl(aq) + MgSO4(aq)

A: Since the reaction is basically double displacement reaction in which Mg cation will replace H…

Q: Based on the precipitation reaction, rank the strength of following attractions (example: a>b>c) a.…

A: As we know,  more is the positive and negative charges on ions. More will be the force of…

Q: Consider a 0.586 M aqueous solution of barium hydroxide, Bа(ОН)2Ba(ОН)2 (ад). How many grams of…

A:

Q: How would you prepare the following substances by precipitation? a. PbSO4 b. FeS c. CoCO3 d.…

A:

Q: Calculate ΔG°  for the following reaction at 25°C: 3Be2+(aq) + 2Al(s)⇌3Be(s) + 2Al3+(aq) ΔG° = ___…

A: oxidation is defined as process where loss of electron take place reduction is defined as process…

Q: base

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

Q: The FDA-recommended daily allowance for fat in a 2,000 calorie diet is 77g. A. What is the max…

A: Given Details:    The total daily allowance calorie  = 2,000 Calorie    Total fat  =  77g.…

Q: We can use ∆Hf˚ values to calculate ∆Hreaction. Show the formation reactions for formic acid (H2CO2)…

A: Enthalpy of formation of formic acid:

Q: нох CI Compound 1 CI- Compound 3 HCI heat ? Compound 2 Compound 4

A:

Q: How many grams of chromium(III) sulfate, Cr2 (SO4)3, are required to make a 5.23 %(w/v) aqueous…

A:

Q: Which statement describes the changes that occur when salt is added to water?

A: H2O is known as water and this is universal solvent. Because water dissolve many compound than any…

Q: Which of the following substances has the highest concentration of hydroxide ion in balance with…

A: Answer:- This question is answered by using the simple concept hydroxide ion concentration in acidic…

Q: Please use the following reactions and ∆H values to calculate the theoretical ∆Hsoln for NaCl.…

A:

Q: what total volume of 20.6 % m/v sodium phosphate is needed to have a total of 69.5 g of sodium…

A: Given: Mass by Volume percentage=20.6 % Mass of sodium phosphate=69.5. The volume of sodium…

Q: C. How many grams of hydrochloric acid can be neutralized by 66.9 g of magnesium hydroxide?

A: Solution:- Given Reaction:- Mg(OH)2 + HCl → MgCl2 + H2O                  Balanced Chemical…

Q: If you dissolved 20.5 grams of solid KCl in 250 ml of water, what would the molar concentration of…

A: Given : Mass of KCl = 20.5 g And volume of water = 250 mL = 0.250 L…

Q: Heat is produced b. The concentration of the water increases c. The concentration of NaC2H3O2(aq)…

A: According to Le-chatlier principle if we disturb equilibrium by changing pressure,temperature, or…

Q: What is the value of Q when a solution contains the maximum amount of solute that can be dissolved…

A: Given is, What is the value of Q when a solution contains the maximum amount of solute that can be…

Q: For the chemical reaction 2 HBr(aq) + Ba(OH), (aq) 2 H, O(1) + BaBr, (aq) write the net ionic…

A: Given , Chemical Reaction : 2 HBr (aq) + Ba(OH)2 (aq) ---> 2 H2O (l) + BaBr2 (aq)  Net Ionic…

Q: If 30.0 mL of an unstandardized NaOH solution is required to react completely with 1.00 g of…

A: At equivalence point, equal equivalents of acid and base react together to neutralize each other…

Q: Q.2. Explain electolysis of molten and aquieois NaCl.

A: Given :  Q2 . Explain electrolysis of molten and aqueous NaCl.

Q: Define and explain the importance of water source.

A: Water: Chemically, water can be defined as the inorganic liquid that has the molecular formula H2O.…

Q: 25.0g of iron III hydroxide is mixed with 125 mL of water which is the solute

A: In a solution the solute is present in less amount than the solvent.

Q: 0.251 g sample of impure NaOH requires 17.6 mL of 0.2903 M HCl for neutralization. What is the…

A:

Q: Cu(s) + H*(aq) + | NO3°(aq) NO2(g) + H20(1) + Cu2+(aq) + NO3°(aq) (No species should appear on both…

A: In this reaction , Cu(s) oxidises into Cu+2  , So Cu acts as reducing agent , thus there should be a…

Q: How many grams of magnesium chloride must be added to 715 mL of water to create a solution with an…

A: Answer: From the concentration of solution, we will calculate the moles of chloride ions and then by…

Q: For the chemical reaction 2 HBr(aq)+Ba(OH), (aq) → 2 H,O(1) + BaBr, (aq) write the net ionic…

A:

Q: Distinguish between water quality and hydrochemistry.

A: Water quality describes the characteristics of water such as physical, chemical and biological.…

Q: Write a balanced molecular equation for the reaction that occurs when aqueous solutions of sodium…

A: When aqueous solution of sodium hydroxide( NaOH) is treated with hydrochloric acid (HCl) solution,…

Q: the enthalpy (in kJ) for this reaction: 2C(s) + H2(g) → C2H2(9)

A:

Q: Solution X 100 mL of 0.10 M NAOH(aq) is mixed with 100 mL of 0.10 M HBr(aq) Solution Y 100 mL of…

A:

Q: How do you prepare a 200-mL of 0.120 M NaOH solution? From solid NaOH pellets (by dissolving) From a…

A: The method of preparing the solution by pellets and dilution is different. In order prepare the…

Q: 15.00 mL of a 0.20 M solution of sulfuric acid (H2SO4) is mixed with 20.00 mL of a 0.20 M solution…

A: Sulfuric acid react potassium hydroxide produced potassium sulphate salt and water

Q: 5:19 - EVALUATE THIS STATEMENT: Pure water, on its own, does not conduct electricity* O True False

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