Q: A 0.60 M solution of a weak acid, HA, has a pH of 3.41. What is the percentage ionization of the aci...
A: ★ Answer : percentage of ionization of the acid is 0.064%
Q: Suppose the galvanic cell sketched below is powered by the following reaction: Zn(s)+PdCl,(aq) - ZnC...
A: We have given a cell reaction and it's galvanic cell diagram- Zn(s) + PdCl2(aq)>>> ZnCl2(aq...
Q: Ką for formic acid, HCOOH, is 1.80×10-4. Ką for acetylsalicylic acid (aspirin), HC,H,04, is 3.00x10-...
A: ->conjugate base of strong acid is weak base. ->Ka is proportional to acidity. ->conjugate ...
Q: STATEMENT OF THE PROBLEM Problem 2: Consider a 250.0 mL solution that contains 0.215 mole KNO3. What...
A: Answer: In both the questions we have to find out the molar concentration of the solution where in s...
Q: An analytical chemist is titrating 247.9 mL of a 0.5500M solution of formic acid (H,CO,) with a 0.41...
A: Given- Volume of formic acid= 247.9 mL Concentration of formic acid =0.5500M Concentration of KOH= ...
Q: 6. Magnesium oxide can be produced by heating magnesium metal in the presence of oxygen. The balance...
A: The balance chemical reaction : 2Mg(s) + O2(g) ---> 2MgO(s) Mass of Mg = 10.1 g Mass of O2 = 1...
Q: Experiment 2: Investigating the Properties of Buffer Solutions Test Data: pH of Cola Solution ...
A: We are given titration data for the addition of cola(pH = 2.5, acid) and borax solution(pH = 9.7, ba...
Q: When monitoring a reaction, the initial temperature of the reaction is 29 ºC, it rose to 57 ºC and t...
A: Given, Initial temperature of the reaction is 29°C Final temperature of the reaction is 39°C We have...
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Q: 8. The equation for the combustion of methane, CH4 (the main component in natural gas) is shown belo...
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Q: Which starting materials could be used to synthesize propanoic acid? HO CH3CH2CN CH3CH2CHO CH3CH2CH2...
A:
Q: Acetic acid: ka = 1.75x105 Ammonia: ko = 1.8x105. Hydrofluoric acid: 7.2 x104 Hydrogen sulfide: kal ...
A: Since you have asked multiple questions we will answer the first one for you. To get the remaining q...
Q: Сос 1 L Concentration (mol/L) ½ L ow many moles is 130 g of COCI2? moles hat is the molarity of a so...
A: 1) mass of CoCl2 = 130g Molar mass of CoCl2 = 129.839 g/mol
Q: At constant T and P, in which of the following situations will the reaction be product-favored at lo...
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Q: A 25.0-mL bubble is released from a diver’s air tank at a pressure of 4.00 atm and a temperature of ...
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Q: 16 Calculate the solubility of Ag,CrO, in water at 25 °C. You'll find K, data in the ALEKS Data tab....
A: Ksp value for Ag2CrO4 is 1.12 × 10-12 Ag2CrO4 <----------------> 2Ag+ + CrO4-2 ...
Q: The pKa value of calcium fluoride is 10.41. Calculate the solubility in g/L at 25°C in: (a) pure wa...
A: Note: It should be pKsp and not pKa. The pKsp value is given to be 10.41. Ksp can be calculated as: ...
Q: The specific heat capacity of lead is 0.13 J/g-K. How much heat (in J) is required to raise the temp...
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Q: Acetic acid (HC2H3O2) reacts with pyridine (C5H5N). What are the products of this acid - base reacti...
A: conjugate acid–base pair consists of two substances that differ only by the presence of a proton (H⁺...
Q: What is the percent ionization of a 0.36M aqueous solution of formic acid, HCHO2 that is also 0.08 M...
A: 0.36 M aqueous solution of formic acid is present in 0.08 M HCl. The Ka of formic acid is 1.7 * 10-4...
Q: u have 100m oMHOn bker d yu begn oad NOH he te Consider the flowing nealten on HC N ld yo pet p ange...
A: In acid base neutralization, H+ or H3O+ ions are neutralized by OH- ions given by base. We would us...
Q: In the laboratory, a general chemistry student measured the pH of a 0.470 M aqueous solution of meth...
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Q: What is the pOH of an aqueous solution of 0.277 M hydrobromic acid? pOH =
A: Given, 0.277 M HBr acid.....
Q: Calculate the theoretical ph of each solution a. 0.200M sodium bicarbonate (carbonic scid: pka1= 6.3...
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Q: The molar heat capacity of a compound with the formula C2H6SO is 88.0 J/mol-K. The specific heat of ...
A: Given, The molar heat capacity of a compound with the formula C2H6SO is 88.0 J/mol-K. The specific ...
Q: The ΔH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When ...
A:
Q: A chemistry graduate student is given 100. mL of a 1.20M ammonia (NH solution. Ammonia is a weak bas...
A: 31 gm of NH4Br added to NH3 to make a buffer solution of desired pH.
Q: 9. How many unhybridized p orbitals are present in the follow structure? Me Me
A: Answer with explanation has been provided in next step
Q: The specific heat of copper is 0.385 J/g°C. Calculate the final temperature when 25.0 g of copper me...
A:
Q: जiue the boifaि् १orकचे त्स्समवोन १०व९ f१०Td and the en thalpy of vaporization IS 56.3°C 1s प8.৪k১|m...
A: Given data :
Q: O number of molecules.
A: Answer: equal volume propane and carbon monoxide at the same temperature and pressure have the numbe...
Q: Enter your answer in the provided box. For the reaction N2(2) + 3H,(3)5 2NH3(g) Kp is 0.000522 at 59...
A: N2(g) + 3H2 <.....> 2NH3(g) T = 591°C = 591°C + 273 = 864K
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Q: H3C CH3 H3C CH3
A:
Q: During the decomposition of CaO2(s) into Ca(s) and O2(g), 100.0 mL of gas is collected by the displa...
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Q: Calculate the solubility of BaCrO, in water at 25 °C. You'll find K, data in the ALEKS Data tab. sp ...
A: Given-> BaCrO4(Ksp) = 1.17 × 10-10
Q: 14) Methanol is the fuel in "canned heat" containers (e.g., Sterno) that are used to heat food at co...
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Q: AGCI(s) Ag (aq) +72.68 C1 (aq) +56.4 +96.2 S° (JK-1 mol-1) AH f(kJ/mol) Use the data given to calcul...
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Q: A pressure of 150 KPa is equivalent to how many meters of water? Of mercury (sHg = 13.6)?
A:
Q: The reaction for the metabolism of sucrose, C12H22011, is the same as for its combustion in oxygen t...
A: Molecular weight of sucrose C12H22O11 = 342.30 g/mol Number of moles of sucrose = mass/mol.wt. = 77....
Q: A student attempts to determine the buffer capacity of a solution by titrating 40.0 mL of solution w...
A: Given the volume of the buffer solution = 40.0 mL
Q: Which of the following diene(s) cannot undergo the Diels-Alder reaction? II IV
A: For a Diene to undergo Diels Alder rxn it should have cis double bond along single bond.
Q: 1) What is a catalyst ? Differentiate a catalyst from an inhibitor and give a sample of each and giv...
A: Since you have asked multiple question, we will solve the first question for you.If you want any spe...
Q: One of the major problems in food chemistry is to make food gels maintain its shape and rigidity. Su...
A: Interpretation- We have to suggest a way tha thow we can maintain gel strength if the polysaccharide...
Q: What is the effect of the following on the volume of 1 mol of an ideal gas? The pressure changes fro...
A: Data given: Number of moles of an ideal gas, n = 1 mol Initial pressure, P1 = 760 torr Final pressur...
Q: Element A has 4 valence electrons; therefore, it is alan Insulator O Conductor semiconductor none of...
A: Insulators are those which do not conduct electricity. Conductors are those which can easily conduct...
Q: b. Identify (name) each of the following two monosaccharides A and B. OH OH Но OH но он но OH но B A
A: The name of the two monosaccharides A and B is
Q: 50.00- 45.00 40.00- 36.00 30.00 3 25.00- 20.00- 15.00- 10.00- 5.00 MM CM 0.00 o.bo 1 14.00 200 4.00 ...
A: Peak has the shape of a triangle. Formula for the area of a triangle will be used to calculate the a...
Q: 50.00 45.00 40.00- 36.00 30.00 3 25.00 20.00 15.00 10.00 5.00 MM CM 0.00 0.00 120 6.00 10.00 1 14.00...
A: Area of sorbitol peak is calculated in the following step.
Q: When optically active (S)-2-methylcyclopentanone is treated with aqueous base, the compound loses it...
A: In the given step OH- takes proton to form enolate ion
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- If the concentration of PB2+, is found to be 1.3*10^-9mol/L in a saturated solution of Pb3(PO4)2, what is the ksp of Pb3(PO4)2?Ag+ + ligand L --> Ag_ligandL_Complex K_bind = ??? The virtual lab below contains a 1.00M flask of 'Ligand L' along with a bottle of solid silver chloride. Perform an experiment in the virtual lab to determine the binding constant for this ligand (K_bind for the above reaction). ou will need to use your knowldedge of solubility to determine tthe binding constant. The Ksp for Silver Chloride is: 1.830e-10. Agcl 0.971351 What is the binding constant for this ligand (Please use three significant figures for your answer)At 25oC the Ksp for PbCl2 is 1.6 × 10–5. Calculate Q for the following: 125.0 mL of 0.0900 M Pb(NO3)2 is mixed with 75.0 mL of 0.0200 M NaCl at 25oC.
- How did the rate change as the concentration of the S2O8-2 was halved. Expalin at molecular level.Reagent is NOT (CH3)2CuLi. Which one works from the answer bank? iPrMgBr is (CH3)2CHMgBrThe catalytic efficiency of many enzymes depends on pH. Chymotrypsinshows a maximum value of kcat/KM at pH 8. Detailed analysis shows thatkcat increases rapidly between pH 6 and 7 and remains constant at higherpH. KM also increases rapidly between pH 8 and 10. Suggest explanationsfor these observations.
- EXPLAIN IN 3-5 SENTENCES:1. What are the tissue sources of Alkaline phosphatase? 2. What are Regan and Nagao isoenzymes? 3. State other approach of ALK determination through the existing isoenzymes.An enzyme reaction takes place in a 10mL solution that has a total citrate concentration of 120mM and an initial pH of 7.00. During the reaction, 0.2mmoles of acid are produced. (pKa values for citric acid: pKa1=3.15, pKa2=4.77, pKa3=6.40) a) At pH 7.00 (before the enzyme reaction occurs), determine the concentrations of the predominant forms of citrate in solution. b) calculate the pH of the solution after the enzymatic reaction has occurred.According to the following reaction, BaCl2 (aq) + Na2C2O4 (aq)-> BaC2O4 (s) + 2 NaCl (aq) which chemicls will appear in the: Filtrate: Residue:
- If Vsu= Vorg, how many times should the extraction process be repeated so that 1 g of substance with KD= 2.25 passes 90.5% to the organic phase?Can u explain the answers pls thank uFor the reaction 2Na (g) Na2 (g) the following values of K have been determined (C. T. Ewinget al., J. Chem. Phys. 1967, 71, 473):T (K) K900 1.321000 0.471100 0.211200 0.10From these data, estimate rxnH° for the reaction.