14) Which of the following will show the least change in pH after mixing: 15 mL of 0.1M NaOH added to pure water 15 mL of 0.1M HCI added to pure water A solution of 30 mL of 0.1M HCl nd 30 mL of 0.1M NH4OH A solution of 30 mL of 0.1M NaC2H3O2 and 60 mL of 0.1M HC₂H302 A solution of 60 mL of 0.1M Sodium hydroxide and 60 mL of 0.1M Acetic Acid

Q: 6. Calculate the uncertainty in the speed of a ball of mass 500 g that is known to be within 1.0 um…

A:

Q: which of the following has the largest entropy?

A: To answer: which of the following has the largest entropy? H2O (s) H2O (l) H₂O (g) H₂S (g) H2S (l)

Q: Put the following compounds in order of decreasing melting point. Li3P, MgBr2, LiBr, Ca3N₂ 1 2 3 4…

A: More the ionic character  more will be boiling  point and melting point .

Q: The discharge of chromate ions (CrO42) to sewers or natural waters is of concern because of both its…

A:

Q: estion 7 In the given image which of the following can have enantiomers?

A: Stereochemistry is a branch of chemistry in which we deal with three dimensional arrangement of…

Q: which if the following is not an ionic compound? FeCl3 NaC2H302 KI MgCO3 CC14

A: When electropositive elements combined with electronegative elements then ionic compound is formed.…

Q: 1. H₂S(aq) HS (aq) + H+ (aq), K₁=9.43x10-8, and = 2. HS (aq) S² (aq) + H+ (aq), K₂ = 1.15x10-19,…

A: -> When equations are added equilibrium constant are multiplied. -> When equation is reversed…

Q: Differentiate between the principal quantum number (n) and the angular quantum number (I). In your…

A:

Q: Determine the [H], [OH-], and pH of a solution with a pOH of 10.76 at 25 °C. [H+] = [OH-] = pH = M M

A: given, pOH = 10.76

Q: Use a Grignard reaction to prepare the following alcohols: (a) 2-Methyl-2-propanol (b)…

A: Grignard Reaction is the addition of an organomagnesium halide to a ketone or aldehyde resulting in…

Q: Isotope Mass Number Protons Neutrons Electrons 35 Cl 37 Cl

A: For a given isotope notation, we can determine the mass number , protons , neutron and electrons.…

Q: What products form in this reac

A: A combustion reaction is a chemical reaction in which an organic compound undergoes oxidation by…

Q: 1) All of the following are strong electrolytes excep HNO3 KOH H2SO3 BaOH2 HCIO4

A: Strong electrolytes are those which completely dissociate into its components when it is placed in…

Q: Rank the molecules in decreasing (strongest to weakest) acidity. Include resonance structures if…

A: Acidity: When acidic H would be eliminated, the durability of the anion directly relates to its…

Q: If nicotine and acesulfame reacted to form a salt, what would be the ratio of nicotine to…

A: One molecule of Nicotine can accept 2 protons One molecule of Acesulfame can donate 2 protons

Q: Tin has many possible isotopes. Three of these isotopes are 115Sn, 118Sn, and 126Sn. What is the…

A:

Q: I tried this and got it wrong

A: In this question, we have to find the elution order of the following compounds.

Q: A common technique for forming metal electrodes on electronic devices is evaporation in a vacuum. In…

A: Given: The enthalpy of vaporization (ΔHvap) for gold = 310.9 kJ/mol We have to calculate the amount…

Q: You ran the following reaction in the lab. Given the following results. Around what time was the…

A:

Q: PS4-8. Which compound is more stable? Explain your reasoning by drawing the molecules in chair form.…

A: To determine the form stable compound, we will draw chair forms of both compounds.  For one…

Q: 2. If a molecule has 3 asymmetric carbon centers, how many stereoisomers are there? Show work. V

A:

Q: The discharge of chromate ions (CrO42-) to sewers or natural waters is of concern because of both…

A: According to the question we have an ionic overall reaction,            CrO42- + 3Fe2+ + 8H2O →…

Q: Consider the following reaction at 25 °C: Ba(OH) 8 H2O(s) + 2 NH,CI(s) — BaCl(s) + 2 NH3(g) + 10…

A:

Q: What mass of MgCl2 is required to prepare 500.0 mL of 0.100 M solution?

A:

Q: Question 2 of 11 Draw the structure of the pentapeptide "RANCH" and give its systematic name.

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Q: Assuming that the rate-determining step in the reaction of cyclohexanol with hydrogen bromide to…

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Q: What is the Gibbs energy for the given reaction at the specified temperature and with 2M NO₂, 1 M…

A: The balanced chemical equation is: 2NO(g) + O2(g) → 2NO2(g)   Temperature, T = 298.15 K which is the…

Q: If you had a 0.10 M solution of each of the following organic acids: Acetic Acid Ka=1.8x10-5 Citric…

A:

Q: the density of nickel is 8.9*10^3 kg/m^3 estimate ehe atomic diameter (in m)? calculate the…

A:

Q: Provide the correct IUPAC name for LiSCN.

A: we have to write the IUPAC name of LiSCN

Q: A haploid cell has one complete set of chromosomes has only one chromosome is either missing or has…

A: Haploid cell is a cell that contains one complete set of chromosomes.

Q: (i) A thermally insulating container has a membrane separating the container into two equal parts.…

A: The statement which is not true for the gas is: D) There is no entropy change for the system.

Q: Determine both the freezing point and boiling point of a 1.50m aqueous solution of ammonium…

A:

Q: Chemistry 1. If your 10 g sample contains 200 µg H2O, calculate the water concentration of your…

A:

Q: At a certain temperature this reaction follows first-order kinetics with a rate constant of 0.0156…

A: First-order reaction: The rate of the first-order reaction depends only on one reactant. According…

Q: 13. Ammonia (NH3) burns in oxygen gas to form nitric oxide (NO) and water vapor. How many liters of…

A: The reactants are ammonia(NH3) and oxygen gas, O2(g).  The products are nitric oxide, NO(g) and…

Q: Reaction b: H₂ H3C-C-CH3 + F₂

A: Given: CH3CH2CH3 + F2 ------->

Q: in the reaction, NIS + 02 - NiO +SO2, what should be the coefficient of NiO to balance

A: The Chemical reaction follows the law of conservation of mass. According to the law of conservation…

Q: The possible charge(s) of the In (indium) ion is (are): O +1, +2, +3 O +1, +2 +1, +3 O +3 +2, +4

A: Transition metals show variable oxidation states and their oxidation states differ by one unit.…

Q: D Determine the [H], pH, and pOH of a solution with an [H+] = pH = pOH = n [OH-] of 4.7 x 10-12 M at…

A:

Q: 1. Discuss two factors that affect the solubility of a substance in water, and give one example for…

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Q: A discharge pipe releases small amounts of various alcohols from an industrial fermentation process…

A: Given Average stream flow at the outlet of the lake = 3 x 104 m3/day Rate at which butanol (C4H9OH)…

Q: 25) A solution is prepared by dissolving 23.7 g of CaCl₂ in 375 g of water. The density of the…

A: Given that,  23.7 g of CaCl2 is dissolved in 375 g of water.  The density of solution is 1.05 g/mL…

Q: What were the instruments used in preparing the four newest elements? Nihonium, Moscovium,…

A: The elements nihonium, moscovium, tennessine, and oganesson with atomic numbers 113, 115, 117, and…

Q: N-

A: Pyrrolidine, also known as tetrahydropyrrole, is an organic compound with the molecular formula…

Q: Which is equivalent to 2,500 ppm Cu2+? Molecular Weight: Cu (63.55) a. 0.07868 N (in precipitation…

A: Cu2+ concentration = 2500 ppm = 2500 mg/L = 2.500 g/L So, 2.5 g of Cu2+ is present in 1 L solution.…

Q: Julia did an experiment to study the solubility of two substances. She poured 100 mL of water at 20…

A: We are given the data for the mass of undissolved substances A and B at different temperatures, 20…

Q: True or False? Left hand side (LHS) will be the anode of this system. Cu 0.001M CUSO4 True False DVM…

A: An electrochemical cell in which the two electrodes are the same but the concentrations of these two…

Q: R = 0.08205 L atm mol-1 K-1 T(K) = T (°C) + 273.15 1 atm = 101,325 Pa = 1.01325 bar Calculate the…

A:

Q: Calculate the [H+] and [OH-] for each of the following: a.) 0.760 M HNO3 b.) Gastric Juice, pH 1.8

A: Given data :  a.) 0.760 M HNO3 b.) Gastric Juice : pH = 1.8

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.