What is the pH of a buffer solution if you dissolve 300 ml of 1.65M Formic Acid (HCO2H) and 250 ml of 3.66M Sodium Formate (NaHCO2) together? If you were to now add 18 ml of 1.2M NaOH to the buffer solution, what would the new pH be?

Q: If AH = -73.54 kJ for a chemical reaction, that reaction Endothermic Spontaneous Exothermic…

A: we have to select the correct option for the given reaction

Q: 4. Consider the following: Zn²+2e-→ Zn The wire -0.76 V Cr²+2e-→ Cr -0.91 V How many coulombs were…

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Q: (a) Assuming standard conditions, arrange the following in order of increasing strength as oxidizing…

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Q: d. Br

A: IUPAC nomenclature is used for naming the organic compounds as recommended by international union of…

Q: 2. Describe in words and using calculations how you would prepare 475 ml of a 0.40 M…

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Q: weight % Fe (in chalcopyrite) ive also added the formula just incase

A: To calculate % of Fe in chalcopyrite as per the given formula

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Q: Use the spectroscopic data provided below to answer the questions. a. Determine the structure of…

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Q: Mixed aldol product

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Q: Calcium (Ca: 1s²2s²2p63s23p64s²) crystal has a mass density of 1.55 g/cm³ and a molar mass of 40.078…

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Q: A certain half-reaction has a standard reduction potential "red = +0.84 V. An engineer proposes…

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Q: Analyze the two (2) SN2 reactions by responding to the questions. Rxn →>> Question Draw a Lewis…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: A solution containing a mixture of metal cations was treated as outlined. 1. Dilute HCl was added…

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Q: Calculate the pH of each aqueous solution: (a) 0.0037 M HCl; (b) 0.0045 M KOH.

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Q: Which of the following compounds is expected to undergo the slowest E2 reaction? О Br Br H Br H Н. Н…

A: Since we know that in E2 elimination reaction leaving group and H must be antiperiplanar... And in…

Q: For each of the following reactions, balance the chemical equation, calculate the emf, and calculate…

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Q: Identify the reagents you would use to accomplish the following transformation: The transformation…

A: -> Base(NaNH2 )can abstract most acidic proton from terminal Alkyne and form nucleophile which…

Q: If the level of atmospheric CO2 were to double from its current concentration of 414.7 ppm, what…

A: Given that,  Current concentration of CO2 in the atmosphere = 414.7 ppm = 414.7×10-6  After…

Q: Calculate the hydroxide ion concentration for a solution with [H3O+]eq = 2.8 × 10-5 M. Use "E" for…

A: Since, Hydroxide ion value measure the  basic strength of the solution or compound. Thus,

Q: Se + Cr(OH)3 → Cr + SeO32−(Basic) For the redox reaction shown above, determine which of the…

A: Given that, a redox reaction is Se + CrOH3 → Cr + SeO32- basic. We have to tell among the given…

Q: weight % Pb (in galena)

A: To calculate weight % Pb (in galena).

Q: What is the wavelength of the photons emitted by hydrogen atoms when they undergo n =4 to n =3…

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Q: How many grams of calcium chloride would you need to make a 0.2500 L of a 5.2 M solution of aqueous…

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Q: Determine the AS (298K) and AS(1000K) for the following reaction. Thermodynamic data are provided.…

A: Use the following formula for calculation of ∆S(298K). ∆S(298K)=∑mSo(products)−∑nSo(reactants) m…

Q: An increase in water temperature is observed when 1.97 g of NaOH is added. The enthalpy change for…

A: Given: The mass of NaOH added = 1.97 g The enthalpy change of the reaction = -2.19 kJ An increase in…

Q: Give the IUPAC name for each compound. F a. b. C. CI CI

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Q: For a standard voltaic cell comprised of a Zn2+|Zn electrode and a Fe2+|Fe electrode, what is the…

A: Cell potential of given cell can be calculated as:

Q: For the combustion reaction of ethylene (C₂H4) C₂H4 + 302 2 CO₂ + 2H₂O assume all reactants and…

A: Given -> C2H4 (g) + 3O2(g) ------> 2CO2(g) + 2H2O

Q: Direction: Predict whether the entropy change of the system in each of the following is positive or…

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Q: Enter the name for the conjugate base of HPO42−HPO42−. Spell out the full name of the compound.…

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Q: Modeling the formation of an ionic compound (and the chemical reaction that makes it) with Lewis dot…

A: Ionic compounds are formed by monatomic or poly atomic cation and anions .

Q: Write the equation occuring at the anode. →→   Write the equation occurring at the cathode. →→…

A: The given Galvanic cell consists of - Cu2++2e-→Cu             E0Cu2+/Cu=0.34Mg2++2e-→Mg…

Q: Calculate the standard Gibbs free energy changes at 25 °C for each of the reactions shown below…

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Q: Galvanic Cell Consisting of:   Cu2++2e−Cu2++2e- →→  CuCu 0.34   Al3++3e−Al3++3e- →→  AlAl -1.66…

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Q: A certain reaction has AH = 30 kJ/mol and AS = 80 J/mol-K. At what temperature range is the process…

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Q: Draw the Lewis structure for BeF₂, including lone pairs. Select Draw Rings More Be F G V What is the…

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a…

Q: 1) What is an ion? Explain the difference between a monatomic and polyatomic ion.

A: Please find the below attachment.

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Q: While baking cookies, chemical reactions involve granulated sugar (sucrose) and baking soda (sodium…

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Q: 11. Consider the reaction: Cl₂ + Na ---- NaCl Which Specie was reduced? (a) Cl₂ (b) Na (c) NaCl (d)…

A: We have to determine the species that is reduced in the given reaction

Q: 6. Propose a mechanism to explain the complex thermal transformation shown below. offer Me CO₂Me 'Me…

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Q: A solution of Na₂CO3 is added dropwise to a solution that is 0.0494 M in Y3+ and 0.144 M in Cd²+.…

A: [Y3+ ] = 0.0494 M [Cd2+] = 0.144 M

Q: Which statement is true with respect to the effects bromine and methoxy (CH3O) groups have on the…

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Q: Draw the mechanism of the hydration and the enol ketone tautomerization reaction using one of the…

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Q: measure the enthalpy of the reaction, 125 g of water and 50 g of pure hydrochloric acid are placed…

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Q: b. 2a. How much work in Kilojoles (KJ) is done in the process below if 20 Amp of current is passed…

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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.