5. Toxic chromate can be precipitated from an aqueous solution by bubbling SO₂ through the solution. How many grams of SO2 are required to treat 3.0 x 108 L of 0.050 mM CrO4²-? 2 CrO4² (aq) + 3 SO2(g) + 4 H*(aq) → Cr₂(SO4)3(s) + 2 H₂O(1)

Q: sealed flask contains 366 mL of gas at 42.7 oC and 836 mmHg. If the gas in the flask has a mass of…

A: Mole is equal to weight of substance divide by it's molar mass

Q: 2 3 2 2 Na(s) + Na(s) + 10 Mg(s) + Mg(s) + H₂O2(aq) → 10 Cl2(g) O2(g) ->> - O2(g) ->> HCl(aq) ->>…

A:

Q: H₂O M solution of NH₂CIO (aq), arrange the species by their relative molar amounts in solution. H₂O*…

A: Molar concentration of NH4ClO4 = 1.0 x 10-2 M = 0.01 M When it is ionized, it is dissociated to…

Q: znosiasis spoming emas a) Draw energy level diagram to show electron configuration for chromium,…

A: In energy level diagram , orbitals are arranged in order of increasing energy and electrons are…

Q: For the following reaction: C3H8(g) + 3CO₂(g) + 4H₂O(1) 50₂(g) The change in gaseous moles, An = +…

A: The balanced reaction is given as C3H8(g)  + 5O2(g)⇔3CO2(g) + 4H2O(l) The number of moles of gaseous…

Q: If you created a cell using the materials below match each correct response 1) Potassium ions 2)…

A:

Q: *GIVE EXPLANATIONS FOR ALL QUESTIONS (EXCEPT NOMENCLATURE). 9) Predict and draw the structure(s) of…

A:

Q: For a 1.0 x 10-4 M solution of HCIO(aq), arrange the species by their relative molar amounts in…

A: Given: Concentration of HClO = 1.0×10-4 M

Q: Write electrochemical cell notation. Write the cell notation for an electrochemical cell consisting…

A: Here we have to write  the electrochemical cell reaction  where  Cr (s) is oxidised to Cr+3(aq) and…

Q: Molecule Shapes Simulation Go to the PhET simulation site and open the following:…

A:

Q: Write the chemical reactions whose equilibrium constants are K, and K, for imidazole (C,H,N₂) and…

A: a.) Kb reaction is corresponding to reaction of a base to gain H+ .  b ) Ka reaction if of acid to…

Q: Draw and upload a picture of the Lewis structure of H₂O (as seen above) with an arrow next to the…

A: Lewis Structure represent the bonds between the atoms and indicate lone pair of electrons on each…

Q: The molecule below can be made from Propanol and methanoic acid Methanol and propanoic acid Methanol…

A: The given compound CH3-CH2-CO-O-CH3 is an ester. Ester contains two parts, one part is alcohol and…

Q: 3.56 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70 °C.…

A: Heat absorbed by the solution is given by: q = mCv∆T Where, q = heat absorbed m = mass of the…

Q: Calculate the heat capacity at constant pressure of methane for all its contribution and the total…

A:

Q: what is the electron pair geometry for H2O

A: Electron geometry of H2O According to the valence shell electron pair repulsion (VSEPR) theory of…

Q: What is the bond angle between the o-h bonds in H2O? A. 109 b. 180 c. 120 d. 90

A: We have to determine the bond angle between O-H bonds in H2O

Q: % Transmittance 100 0 4000 doublet, 1H 7 200 6 3000 doublet, 1H. (e) 180 6 5 160 2000 1500…

A: IR shows the peaks on basis of the strecthing and bending frequncies between the bonds.  NMR shows…

Q: If the K₁, of a weak base is 7.0 x 10-6, what is the pH of a 0.41 M solution of this base? pH =

A:

Q: 2 +OH- 2 OH (route IV)

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Q: 13.22 Identify each of the following as the D or L enantiomer: а. Н. 0 b. CH2OH HO H - Н- с -Н OH ОН…

A: D enantiomer is the one in which -OH on last chiral carbon is onto right side and L enantiomer is…

Q: In the process of fractional distillation, a mixture of hydrocarbons is separated into its fractions…

A: To solve this problem we have to know about fractional distillation process .

Q: What is the solubility of CO₂ at 2.0×104 mmHg? Express your answer using two significant figures.

A:

Q: A chemist must prepare 850. ml. of 10.0 mM aqueous potassium permanganate (KMnO,) working solution.…

A: Given -> Final volume of solution = 850 ml = V2 Final concentration= 10.0 mM = 10.0 × 10-3 M = M2…

Q: In an aqueous solution, classify these compounds as strong acids, weak acids, strong bases, weak…

A:

Q: A 1,906,906 g car is traveling 0.717 m/s. Calculate the kinetic energy of the car in J. Do not…

A: Mass of car (m) = 1906906 g = 1906.906 kg Velocity (v) = 0.717 m/s

Q: onegativity electron affinity ionization energy heat of fusion → 18.1 1.36 633.1 16. Sc(g) + e + (2)…

A: Answer:- This question is answered by using the simple concept electron affinity and ionization…

Q: Starting materials: 1.80g metals/magnesium 5.65mL Bromopropane 3.04mL 4-methoxybenzaldehyde…

A: mass of product=  3.40g volume of 4-methoxybenzaldehyde = 3.04mL

Q: Pretending that you got the following TLC result: A. Which is more polar? SA or C? B. Is the…

A: Given  Chromatogram of compound SA and C.

Q: A saturated solution of the hypothetical salt, M2A3, has an initial salt concentration of 0.000466…

A:

Q: 100 80 60 40 20 AB+ C ABC Progress of Reaction A + BC The answers for the above question is exact.…

A:

Q: Provide the correct systematic name for the compound shown here. t

A: Nomenclature of organic compounds.

Q: Identify the conjugate acid for each base. conjugate acid of HCO3: conjugate acid of PO: conjugate…

A:

Q: Write the cell notation for an electrochemical cell consisting of an anode where Cr (s) is oxidized…

A: Representation of a galvanic cell (Cell notation) i.Galvanic cell consists of two electrodes, anode…

Q: What is the procedure for heating the metal sample to an exact but measured temperature?

A: Thermometer is a device that measures temperature or a temperature gradient. Thermocouples are also…

Q: 10.69 Draw a stepwise mechanism for the following reaction. ay OH H₂SO4 os + H₂O

A: Tertiary carbocation is more stable than secondary carbocation

Q: Identify the missing reagent(s) and products (if multiple products can be formed, in which %?). Some…

A:

Q: 100- % Transmittance 3 50- 0. 4000 triplet, 2H (c) 3000 lines. (5) -N 2 2000 singlet, 3H (d) CH₂…

A: Given is IR spectrum and 1H nmr spectrum.  In 1HNMR number of peaks are equal to number of…

Q: write the chemical equation for the bromination of trans-cinnamic acid using pyridinium tribromide…

A: Bromine is a toxic material and volatile , thus it is health hazards .  Thus instead of using Br2…

Q: Sulfur dioxide (SO2) is a by-product of burning coal and contributes to the formation of acid rain.…

A:

Q: The strongest of the following intermolecular forces is Dipole-dipole London dispersion…

A: The strongest intermolecular forces among the given forces is  dipole-dipole London dispersion…

Q: 1. How many milliliters of 0.250 M NaOH are required to fully neutralize the following solutions?…

A: Here we are required to find the volume of NaOH required for the neutralization reaction.

Q: 13.12 Identify each of the following structures as chiral or achiral. If chiral, indicate the chiral…

A:

Q: Some patterns of electron configuration are listed below. In each case, [G] stands for a noble-gas…

A: To check the block and type of element we need to check the other electronic configuration of…

Q: Balance the reaction between HPbO₂ and Br to form Br₂ and Pb in basic solution. When you have…

A: HPbO2- + Br- ...> Br2 + Pb  In this teaction Pb is reduced and Br- is oxidized.

Q: For the dehydrohalogenation (E2) reaction shown, draw the Zaitsev product(s) resulting from…

A:

Q: Initial Which of the following statements correctly identifies the energy transfer that takes place…

A: We are given a system with initial state is well ordered where as the final system is less ordered.…

Q: 13.18 Identify each of the following as D or L: Η. 0

A:

Q: 19. What type of polymer is the following, and what monomers are [५] (K=4,A=1) used for making it?

A:

Q: What is the pH of a 0.250 M  solution of H2SO4? Ka2 = 1.20×10–2

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".