C (s) + O2 (e) -100 -200 CaO(s) + CO2 (g) 2 (8) -300 CO 2 (8) CaCO3 (s) -400 Gibbs Free Energy (kJ/mol)

Q: Write the relevant chemical reaction and mass-balance expression for 0.1 M NaCl and 0.1 M NaH2PO4.

A: Sodium Dihydrogen Phosphate + Sodium Chloride = Nahpoite + Hydrogen Chloride 0.1 M of aqueous Sodium…

Q: How much mL of 0.155 M NaOH solution are required yo neutralize 35.0 mL of 0.250 HCL solution?

A: Given, NaOH solution Molarity of NaOH solution = 0.155 M = 0.155 mol/L Volume of NaOH solution = ?…

Q: alculate Eo cell for the cell with the following cell notät Ag | AgCI (saturated, K= 1.82 x 10"),…

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Q: One mole of N2 at 293.5 K and 5.29 bar undergoes a transformation to a state described by 418 K and…

A: The change in entropy of  one mole of N2 from 293.5 K and 5.29 bar to 418 K and 4.53 bar is needed…

Q: Which of the following acids or bases will have the lowest pOH? Select one: O A 0.10 M H;S04 (pKa,…

A: Given data: Solution Concentration with pKa and acid  or salt A 0.10 M H2SO4 ,  pKa = 1.92 B…

Q: What is the concentration of a solution of silver nitrate needed to just react completely with 0.350…

A: Weight of NaCl = 0.350 gm Volume of AgNO3 = 47.5 ml = 0.0475 L (1 L = 1000 ml)

Q: ify each statement as being either t The reaction mechanism must consist of a single step. Ry adding…

A: From rate law, It is second order kinetics,  so it is not must as it is single step Reaction.  Rate…

Q: /hich of the following would be classified as cephalins? Select all that apply.) CH2 -C-(CH2)14CH3…

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Q: Write the formation equation for X-(aq), MX(s), and M+(aq). Assume all atoms used are monoatomic…

A: Here we have to write the formation equation for given atoms assuming they are monoatomic solids in…

Q: Discuss briefly a specific importance of acid-base balance in the body.

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Q: What is the pH of the initial 30.0 mL strong acid analyte HZ sample if upon titrated with 15.0 mL…

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Q: In a solution that is 0.025 M [Cu(CN)4]3- and 0.400 M in free CN- , the concentration of Cu2+ is…

A: Given :  Concentration of [Cu(CN)4]-3 = 0.025 M  Concentration of free CN- ion = 0.400 M…

Q: A student weighed out 0.150 g of protein powder and dissolved it in 100 mL of water (Solution 1).…

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Q: A redox reaction used in an electrochemical cell has a negative standard free energy change, AGxn-…

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Q: What is the percent hydrolysis of a 100.0 mL 0.0520 M NaCN solution if Kw = 1.00x10^-14 and Ka(HCN)…

A: Given,  Volume of NaCN in mL = 100.0 mL  Molarity of NaCN = C = 0.0520 M  Ionization constant of…

Q: 3. What volume of oxygen, in dm' at STP, is needed when 5.8g of butane undergoes complete…

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Q: Draw the Lewis structure for the chlorine trifluoride (ClF,) molecule. - C

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Q: Using this balanced equation C3H8 + 5 O2   → 3 CO2 + 4H2O             a. How much carbon dioxide…

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Q: Write the expression for the Ka of cysteine. Remember to use the acid dissociation reaction in water…

A: Here we are to find the expression of the dissociation of weak acid cysteine

Q: Which of the following 1-mol salts when dissolved in 100 mL water produces a basic (alkaline)…

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Q: what does it mean to have 12% of percent error while conducting an experiment in determining the…

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Q: Why has triglyceride autooxidation occurred selectively to give the following product? OOH O This…

A: Triglyceride auto-oxidation leads to the formation of peroxide product.

Q: Compute for the concentration of an alcoholic solution of Methylene blue with an absorbance reading…

A: It is an example of Lambert beer Law Here we are required to find the concentration of alcoholic…

Q: At 25.0° C, a 10.00 L vessel is filled with 5.00 atm of Gas A and 7.89 atm of Gas B. What is the…

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Q: 1. What is the weight (in grams) to prepare a 350 mL of 0.047 M solution? 2. What is the…

A: The mass of the compound can be calculated by the number of moles of compound and molar mass of the…

Q: What is the energy of one mole of photons having a wavelength of 550 nm and also find 2.045 g of a…

A: Given data Wavelength of photon =550 nm And for Combustion of C9H8O2  mass = 2.045 g Initial…

Q: The molecular formula of N-methylacrylamide is CaH,ON, How many valence electrons are needed to draw…

A: Given :- molecular formula of N-methylacrylamide = C4H7ON  To determine : total valence electrons…

Q: A bomb calorimeter is loaded with 1.050 g of caffeine (CgH10O2N4; 184.19 g/mol) and pressurized with…

A: Given data mass of caffeine = 1.050 g Molar mass  = 184.19 g/mole Internal energy of combustion…

Q: Gold-198 is used in the diagnosis of liver problems. If the half-life of Au-198 is 2.69 days: b. If…

A: Half life = 2.69 day Initial amount = 9.21 mg  Time = 72.9 days

Q: The following initial rate data was obtained for the reaction between oxygen and nitric oxide. 2…

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Q: (i). Using the reaction Zn(s) + 2Co3+ (aq) -› Zn?+ (aq) + 2Co2+ (aq) as an example, draw a diagram…

A: The electrochemical cell reaction is given as, Zn(s)+2Co3+(aq)→Zn2+(aq)+2Co2+(aq) From electro…

Q: What is the molar mass of an unknown gas with a density of 14.3 g/L at 4.00 atm and 35.0 °C? |g/mol

A: Given data, Pressure (P) = 4.00 atm Temperature (T) = 35.0°C Temperature (T) = 35.0 + 273.15 =…

Q: Consider the following reaction at 25 °C: 3 NiO(s) + 2 NH (g) → 3 Ni(s) + N,(g) + 3 H̟O(g) kJ If AG°…

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Q: Draw Lewis structures for BrO4-, SiH4, PCl4, CH2Cl2 and BF4-. (a) Which species is/are likely to be…

A: Here we have to write Lewis structures, molecular geometry and predict paramagnetic species and…

Q: in your own words, describe the properties of Sodium dichlorophenolindophenol

A: Sodium dichlorophenolindophenol is an organic molecule and is mostly used for the estimation of the…

Q: Which of the following statements are true about the cathode during the operation of a voltaic…

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Q: A given solution absorbs green light very strongly. What color does the solution appear? violet…

A: A given solution absorbs green light very strongly.

Q: When aqueous solutions of sodium chloride and silver nitrate are mixed, AgCl(s) is formed. When 1M…

A: Sodium chloride ( NaCl ) reacts with silver nitrate ( AgNO3 ) to produce Silver chloride ( AgCl )…

Q: Given the cell notation Pt /Cl2(g)/Cl¯(aq) // Zn+2(aq)/Zn. How long, in seconds, will it take for…

A: Given-> Weight of Zn =1.000 gm Atomic mass of Zn = 65.38 gm Current (i) = 2.000 ampere

Q: A solution of KMnO4 with a concentration of 8.25 x 10-5 M yields an absorbance value of 0.1302 when…

A: Given, Absorbance, A = 0.1302 Concentration, c = 8.25 x 105 M Length of cuvette, l = 5.60 cm

Q: Enter your answer in scientific notation. Be sure to answer all parts. Calculate the nuclear binding…

A: Given-> Atomic mass of Li = 7.01600 amu Number of proton = 3  Number of neutron = 7-3 = 4

Q: A 30.0 g sample of chromium is heated to 100.0 °C in a boiling water bath. The sample is added to a…

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Q: What is the molar mass of an unknown gas with a density of 2.00 g/L at 1.00 atm and 25.0 °C?

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Q: Provide an etfficient synthesis of each molecule using the starting materials indicated. While no…

A: We have to carry out the required synthesis. The required transformation is shown below (a)

Q: Write the balanced nuclear equation for each of the processes described below. 1. positron emission…

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Q: Solid benzene melts at 28.35 °C when the pressure is 85.2 MPa. The molar volumes of solid and liquid…

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Q: Using the data in the table, which of the conjugate acids below is the strongest acid? Base CIO- 3.3…

A: ->Kb is proportional to the Basicity but inversely proportional to acidity. ->Conjugate acid…

Q: The Kea for the equilibrium below is 3.52 x 10-2 at 480.0 °C. 2Cl2 (g) + 2H20 (g) = 4HCI (g) + 02…

A: Given:: 2Cl2 + 2H2O <=> 4HCl + O2 -----(i) K1=3.52×10-2

Q: What is the mass (in grams) of 25.00 L of propane vapor (C3H8) at STP? R= 0.08314 L·bar/mol · K.

A: Detail mathematical calculation is shown below

Q: Here is the reaction equation for the combustion of butane, which is an exothermic reaction. 2…

A: Exothermic  reaction that releases energy from the system to its surroundings