20.00 mL of 0.250 M propanoic acid, C3H7COOH, is titrated with 0.125 M NaOH. Calculate the pH for the following five situations after the indicated amount of NaOH solution has been added. The Ka of propanoic acid is 1.34 x 10 ̄5 a)  0mL b)  10.00 mL c)  20.00 mL d)  40.00 mL e)  50.00 mL

Q: At a given temperature, for which of these gases: H2(g); O2(g) is: a) the average speed less? b) the…

A: Given, H2 and O2 gas

Q: Aqueous FeCl3 and zinc will react according to the equation: 2 FeCl3 (aq) + 3 Zn (s) --> 2 Fe (s) +…

A: Given :-  2 FeCl3(aq) + 3Zn(s)-->2Fe(s) + 3ZnCl2 (aq)  no.of moles of FeCl3 = 15 mol  To…

Q: Compare and contrast Galvanic Cells and Electrolytic Cell. Include at least 2 key difference between…

A:

Q: A buffer solution contains 0.294 M nitrous acid and 0.416 M potassium nitrite. If 0.0246 moles of…

A: Given- Concentration of nitric acid =0.294M Concentration of potassium nitrite =0.416M Moles of…

Q: %3D What is the pH of a 0.1000 M NACH3COO solution? (Ka CH3COOH = 1.8x10^-5) 4.75 5.13 8.87 7.45…

A: We have find out pH of 0.1000 MNaCH3COO Solution.

Q: Choose the most accurate major product (only) of the following reaction. NaOCH3 in CH3OH a.…

A: In SN2 mechanism inversion of configuration occur...

Q: Consider the titration of 40 mL of 0.2 M NH3 with 0.5 M HCI. Calculate the pH after addition of the…

A: In this question it is ask that what is the pH of resultant solution when addition of HCl in NH3 as…

Q: 2. In both instances below, order the acids by increasing pKa a) Al(OH)3 H3ASO, HCIO3 H3PO4 B(OH)3…

A:

Q: What are some steps needed to solve the following question? "A 6.90 g sample of sodium nitrite…

A:

Q: A solution prepared by mixing 22.2 mL of 0.400 M NaCl and 22.2 mL of 0.400 M KI was titrated with…

A:

Q: The atomic radius of E is 107 pm and tiat of E is 231 pm. Calculate the percent increase in volume…

A: The atomic radius of E is = 107 pm The ionic radius of E- is = 231 pm Percent increase in the volume…

Q: Z-I Give an acceptable name for each amine. a. CH;CH,CHCH3 -N(CH3)2 C. NH2 H. b. CH3CH,CH,NHCH3 d.…

A: Note : As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost…

Q: Question 7 In regions of the IR spectrum where the sample absorbs energy, in ATR, the evanescent…

A:

Q: Helium derives its name from the Latin name for the sun. Helium was discovered when spectroscopists…

A: Wavelength = 588 nm = 588 × 10-9 m

Q: Br

A:

Q: and/or strct ures provide a short answer for rationalizing why the alconol shown is not the major…

A: ->Major product formed through rearrangement in carbocation and proceeds through most stable…

Q: Consider the titration of 100.0 mL of 0.100 M H2NNH2 (Kb = 3.0 ✕ 10-6) by 0.200 M HNO3. Calculate…

A: Weak base and it's salt form buffer

Q: A 46.78 g sample of a substance is initially at 26.6 °C. After absorbing 2893 J of heat, the…

A:

Q: the water for 5-8 minutes. Take the temperature of the water at the end of the time boiling. Shut…

A: #Q.1: Inside a soda bottle carbon dioxide gas, CO2(g) is dissolved under high pressure. So the…

Q: say you have a super saturated solution which you stick a tooth pick and the mixture changes, is…

A: Given: A supersaturated solution in which you stick a toothpick and the mixture changes.

Q: In a solution of Ba(OH)2, if the concentration of the hydroxide ion is 0.45 M, what is the…

A: Barium hydroxide is a strong base which undergoes complete dissociation in aqueous solution giving…

Q: Calculate the Rf value of a spot if it travelled 1.5 cm while the solvent travelled 2.5 cm. Express…

A: Given :  1. Spot distance = 1.5 cm  2. Solvent distance = 2.5 cm

Q: Post Lab Questions: 1. Determine the formal charge on each of the atoms in SO2 (make sure to label…

A:

Q: What type of tertiary interactions do we observe for the two amino acid residues in the box? Draw…

A: Amino acids are building blocks of life and they combine to form proteins. They contain amino and…

Q: NH2 N2OH/H20 1. O °C ŠO,H 2. NH2 N20 NaOH/H,0 2 O°C NH2 O,N N=N NaOH/H,0 3. O°C O,N NaOH/H-O

A:

Q: Describe Niels Bohr's model of the structure of the hydrogen atom. More than one selection may be…

A: Option  A, C and D is correct answer.

Q: 50.0 g of tin(II) fluoride reacts with 50.0 g of sodium phosphate. Calculate the grams of tin(II)…

A: Weight of tin(2)fluoride =50 gram Weight of sodium phosphate = 50.0 gm

Q: The reaction of boron and chlorine can be expressed as the following chemical equation: 2 B + 3 Cl2…

A: Here we use the limiting reagent and excess reagent concept. Please read the answer carefully. In…

Q: If the classification of the chromatography run is a reverse-phase chromatography, discuss the…

A: In reverse-phase chromatography, the stationary phase is hydrophobic and the mobile phase is…

Q: draw the major product of the following reaction. 3. p-tert-Butylisopropylbenzene + HCrO, Acetone

A: ->H2CrO4 is oxidizing agent which can oxidize the alkyl group  attached to benzene to carboxylic…

Q: UV light brings about the homolysis of diatomic chlorine. Draw the curved arrow notation for this…

A: We have chlorine gas in presence of light homolytic cleavage takes place.  Chlorine radical forms.

Q: Using the standard enthalpies of formation, what is the standard enthalpy of reaction? CO(g) +…

A: Known: ∆HfoCOg=-110.5 kJ/mol.∆HfoH2O(g)=-241.8 kJ/mol∆HfoCO2(g)=-393.5 kJ/mol∆HfoH2(g)=0 kJ/mol

Q: What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 × 10-ª) and 0.200 mol of NaF to…

A: The reaction can be shown as, NaF + HCl = NaCl + HF  New moles of HF is 0.300 + 0.040 =  0.34 moles…

Q: 1) What is the pH at the equivalence point in the titration of a 29.1 mL sample of a 0.450 M aqueous…

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

Q: For BaF2 (Ksp = 1.7 × 10–6), will a precipitate of BaF2 form when 0.10 L of 6.0 × 10–2 M Ba(NO3)2 is…

A:

Q: Which of the following is the molecular formula for the salt of the magnesium ion and the propanoate…

A: A molecular formula is a representation of a molecule that uses chemical symbols to indicate the…

Q: What quantity of moles of glucose (C₆H₁₂O₆) in 0.500 L of a 0.400 M solutions?     The pH of a basic…

A:

Q: say you have a super saturated solution which you stick a tooth pick and the mixture changes, would…

A: Given: A super saturated solution  Stick the tooth pick in the super saturated solution  The form…

Q: Why does the addition of bromine to fumaric acid require a high temperature for the reaction while…

A:

Q: Consider the reaction CO(g) + Cl2(g)COCl2(g) Using the standard thermodynamic data in the tables…

A: Answer: -60.62 KJ/mol

Q: The unbalanced equation for the oxidation of metallic iron is given below. Fe (s) + O2 (s) Fe203 (s)…

A:

Q: Balance and add phase labels to the following reaction for the sodium test:…

A: Balancing the chemical reaction

Q: What are [H3O+], [OH−], and pOH in a solution with a pH of 4.14? H3O+] = ____×10^__ M  [OH−] =…

A:

Q: Show the mechanism for the reaction conducted at -5 "C in CCI, cyclohexene + bromine…

A: ->When alkene reacts with dihalogen first of all cyclohalonium ion formed. -> then opening of…

Q: What is the advantage of knowing the factors that affect reaction rates?

A: Answer: Various processes are used in the industry to produce various chemical substances those are…

Q: 22.8 ml sample of 0.221 M triethylamine, (C2H5)3N, is titrated with 0.329 M is hydroiodic acid 1)…

A:

Q: 1 eq. Br2 Br Br + enantiomer + enantiomer A C Br ОН D + enantiomer В Br Br Br Br

A: The reaction given is,

Q: How many kilojoules of energy are generated when in 91.4 grams of NO(g) reacts according to the…

A: Change in enthalpy of reaction is the difference between the total enthalpy of products and total…

Q: A buffer solution contains 0.336 M CH3NH3Br and 0.344 M CH3NH2 (methylamine). Determine the pH…

A:

Q: Answer whether it is true and false. Please provide the explanation. Thank you Ma'am/Sir! 1.…

A:

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.