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Q: For air at 25 °C (77 °F) with 100% humidity, what is the partial pressure of oxygen (PO2)?

A: Given Air with 100% humidity at 25 °C.

Q: Given 2.98 M concentration, do you expect it to be isotonic, hypotonic, or hypertonic with a simulat...

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Q: Calculate the pH of a buffered solution that is prepared by dissolving 0.3mol of NaHCO3 and 0.45mol ...

A: Since you have posted multiple questions, we are entitled to answer the first only.    

Q: To prepare 790mL of 5.2M NaCl solution  Dissolve _?_ g of NaCl in a minimum amount of water, then di...

A: Number of moles of solute = Molarity × Volume in L

Q: Consider the titration of 20.0 mt of 0.150 M Na A (a weak base) and 0.110 M H CI. Calculate the pH o...

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Q: The complete combustion of propane, C3H8 (g), is represented by the following unbalanced equation C3...

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Q: Given the following linear molecule, on which part of the molecule is the electron density the great...

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Q: 34. Draw the major organic product(s) for the following reactions; (*) must include correct stereoch...

A: Hello. Since the question has multiple sub-parts, the first three sub-parts shall only be solved in ...

Q: a) Calculate the standard enthalpy of formation of NaHCO3(s) given the following information:Δf?°[CO...

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Q: Question The reaction below produces 1.Os04/pyridine 2. NAHSO,/H0 A) cis-1,2-diol B) cis-1,3-diol

A: Osmium tetraoxide reacts with an alkene to form a syn-dihydroxy compound. Osmium tetraoxide gives a ...

Q: A chemist is studying the following equilibirum, which has the given equilibrium constant at a certa...

A: The equilibrium constant in terms of partial pressure relates the partial pressures of reactants and...

Q: A completely made up chemical compound (molar mass = 697.15g/mol) is made up of 75.33% Xe and 13.77%...

A: Number of moles of Xenon, Oxygen and Fluorine can be calculated by the equation given below: No. of ...

Q: When 12.0 mL of a 1.77×10-4 M lead nitrate solution is combined with 12.0 mL of a 1.17×10-4 M ammoni...

A: Given : Concentration of lead nitrate i.e Pb(NO3)2 = 1.77 X 10-4 M Volume of Pb(NO3)2 solution = 12....

Q: QUESTION: How many grams of CH3COONa is required to prepare a buffer solution with pH 5.1?   Have 0....

A: Given data,Molarity of acetic acid=0.05MVolume of acetic acid=0.025LpH=5.1 We know, pKa of acetic ac...

Q: Analyses of several samples of a material containing only iron and oxygen gave the following results...

A: Calculate the number of moles of Fe and O in each sample. This can be done by dividing mass of each ...

Q: A redox titration requires 30.65 mL of iodine solution to titrate a sample containing  25.00 mL of 0...

A: The balanced redox reaction which takes place between diprotic ascorbic acid i.e C6H8O6 and Iodine i...

Q: Lowest ionization energy

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Q: When the equation MnO₄⁻ + I⁻ + H₂O → MnO₂ + IO₃⁻ is balanced in basic solution, what is the smallest...

A: Explanation Half-reaction Method: The half-reaction method is the most convenient method to balance ...

Q: For the reaction A (g) → 3 B (g), Kp = 0.821 at 298 K. What is the value of ∆G for this reaction at ...

A: The reaction given is, => A (g) ------> 3 B (g)                                               ...

Q: For the reaction below, which statement best describes what is happening with the sign of AGO? CrP O...

A: The relation between ∆G˚, ∆H˚ and ∆S˚ is as follows: ∆G°=∆H°-T∆S° where ∆G˚ represents the change in...

Q: (v/v)%  =  10. mL ethanol   150 mL mouthwash   × 100% = 6.7 % (v/v) ethanol   how do I...

A: Interpretation: The given setup of the percent volume/volume is to be shown.

Q: c) In an experiment to determine the molar mass of a volatile organic liquid, 0.46g of it was inject...

A: Given data, Mass of organic compound=0.46gVolume of vapor=240cm3=0.240LTemperature=20oC=20+273.15=29...

Q: What is the conjugate acid for CH3CH(OH)COO−

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Q: balance these redox equations

A: a) The reaction given is, => Cr2O72- (aq) + C2O42- (aq) --------> Cr3+ (aq) + CO2 (g)  In the ...

Q: What is the product of the rxn CH3CH2CH(OH)CH2CH3 +  Na+ -CH2CH2CH3

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Q: Gold has a work function, Φ, of 5.47 ev. If a sample of gold is bombarded with 191 nm photons, what ...

A: Given values: Work function of gold  Φ = 5.47 ev 1 eV = 1.60 × 10⁻¹⁹ J, Hence, the work function of ...

Q: a) In the simulation, select the solutions indicated below from the dropdown list at the top left co...

A: Hello, since more than one sub-parts have been asked, but in this case only the first sub-part shall...

Q: Chemistry Question

A: a) The tetrahedral intermediate formed is as follows:

Q: a) Kristina wanted to provide evidence that matter is made of particles, so she set up a glass tube ...

A: The experiment setup given is as shown below.  

Q: 10. Question shown in photo Vanillin (Figure 5, C8H8O3) is an organic compound extracted from the va...

A: A double bond is formed with an sp2-hybridized orbital. A single bond is formed with an sp3-hybridiz...

Q: (s) (i) Define molar mass of a substance. (ii) State the method used to determine the molar mass of ...

A: Since you have posted multiple questions, we are entitled to answer the first only.  

Q: Consider the following chemical reactions and their standard reaction enthalpies (ΔH) at 298 K. NH +...

A: The reactions given are, 1) NH3 (g) + HCl (g) → NH4Cl (s)                                   ΔH1 = -1...

Q: Using the Van der Waals equation for a non-ideal gas below, calculate the pressure, P, of a system t...

A: Using the Van der Walls equation for non-ideal gas P + an2V2(V-nb) = nRTor, P = nRTV-nb-an2V2

Q: Show how to convert each starting material into benzylamine in good yield

A: Given starting material,    

Q: . At 250C, Ksp for AgBr is 5.0 x 10-13. Calculate the solubility of AgBr in g/L at 25 oC (a) in pure...

A: Given : Ksp of AgBr = 5.0 X 10-13  Molar mass of AgBr = Atomic mass of Ag + Atomic mass of Br = 108 ...

Q: What is the major SN1 OR SN1 product?

A: The mechanism should be drawn in chair conformation for understanding the stereochemistry of major p...

Q: A sample of an ideal gas in a cylinder of volume 4.01 L at 298 K and 2.02 atm expands to 7.08 L by t...

A: For path A : P1=2.02 atm V1=4.01 L T1=T3=298 K V3=8.06

Q: Part A 114 Cd 48 Express your answers as integers separated by commas. ΑΣφ ? Np, Nn, Ne = Submit Req...

A: Part A The atomic number of cadmium is 48, so the number of protons is 48. In the ground state, cad...

Q: gives solubilities of the following compounds in grams per 100 mL of water. Because these compounds ...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: An atmospheric chemist studying the pollutant SO2 places a mixture of SO2 and O2 in a 1.14−L contain...

A: The volume and pressure of mixture of SO2 and O2 is 1.14 L and 1.98 atm, respectively. The temperatu...

Q: Calculate each of the following quantities:(a) Grams of solute in 185.8 mL of 0.267 M calcium acetat...

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Q: The first two bands and the LCMT of the electronic absorption spectrum for (CrCI(NH" is shown below....

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