H3O*, KMnO4 cold dilute neutral KMnO4 1. 03 2. Zn, H3O+

Q: Water is added to 25.0 mL of a 0.716 M KNO3 solution until the volume of the solution is exactly…

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Q: The temperature of a 500. mL sample of gas increases from 150. K to 350. K. What is the final volume…

A: Initial volume of gas ,V1 = 500 ml = 0.500 L  (1 L = 1000 ml )  Initial temperature  ,T1 = 150 K…

Q: A sample of sucrose was burned in a calorimeter, and 41,600 joules of heat energy were released.…

A: Energy can neither be created nor be destroyed. Thus, heat released from sample of sucrose is…

Q: the partial pressure of water at 25 degrees is 23.8 mm Hg and the total pressure is 783.3mm Hg, what…

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Q: Calculate the potential, E, for the following cell at 25°C: Al | Al³+ (0.151 M) || H (3.43x10-3 M) |…

A: Since you asked multiple questions so as per Q&A guidelines of portal I solved first question…

Q: The atmospheric pressure in Denver, CO is 633 mmHg. What is this pressure in atm?     0.833 atm…

A: The conversion of unit mmHg in atm can be given as:

Q: Why does the equilibrium of a system shift when the pressure is decreased? O To maximize the stress…

A: According to the Le chatelier's principal,                                " when a system is already…

Q: Identify the reagent(s) needed to complete the following reaction scheme. XOX O a) PCl3 Ob) NaOH,…

A: • Here, in the given reaction scheme, we have to select the suitable reagent(s) required which form…

Q: A mole of an ideal gas is compressed isothermally at 298K. If the gas is compressed from 1 atm to 10…

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Q: 3. For each of the following compounds, indicate the total number of valence electrons - VE, draw…

A: We need to determine  A) Total valence electrons B) Draw Lewis structure C) Calculate bond order D)…

Q: What would an NMR of Mesitylene (1,3,5-trimethylbenzene) look like

A: We have to explain the NMR spectra of mesitylene

Q: for the reaction A -> B where at t=0, t=20s, t=40s A=0.30 mol A=1.0mol A=0.54mol B= 0.46mol…

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Q: A. Dilute H₂SO4 Concentrated H₂SO4

A: Since you asked multiple questions so as per Q&A guidelines of portal I solved first question…

Q: chemist must prepare 275.mL of 25.0mM aqueous barium chlorate BaClO32 working solution. He'll do…

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Q: . What is the pH at the half-equivalence point of a 0.100 M solution of HC2H302? Ka of НС2H302 = 1.8…

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Q: 2. Convert each H3O+ concentration to a pH value. a. 1 × 10-¹5 M b. 1x 10-¹1 M c. 0.0000001 M d.…

A: For question 2, we have to find the pH values for the given concentrations. For question 3, we have…

Q: Calculate the minimum pH needed to precipitate Mn(OH)2 so completely that the concentration of Mn2+…

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Q: In the following acid-base titration experiment NaOH(aq) + HNO3(aq) ———> NaNO3(aq) + H2O(1). What is…

A: Molarity of HNO3 can be calculated by applying law of chemical equivalence.

Q: 50.00 mL of a 0.1001 M solution of HNO3 was prepared by diluting 8.00 mL of a stock solution.…

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Q: Calculate the change in enthalpy associated with the combustion of 322 g of ethanol. • Report your…

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Q: by measuring out  78.8mg  of  FeBr3  into a  100.mL  volumetric flask and filling to the mark…

A: Given data :  Mass of FeBr3 = 78.8 mg = 0.0788 g (1 g = 1000 mg )  Molar mass of FeBr3 = 295.6 g/mol…

Q: Determine the mass of NaCI in grams to make the following solution: 5% NaCI in a total volume of 168…

A: We have to calculate the mass of NaCl for the solution

Q: What is the likely charge of the ions formed by members of the following families? Alkali metals…

A: To check the most likely charge we need to determine the valance Electrons on that group. Also…

Q: For the following compound, circle and assign absolute configuration to the chirality centers. Draw…

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Q: Name the following structure

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Q: Dye (1D Box) Oxacarbocyanine (C3) Oxadicarbocyanine (C5) Oxatricarbocyanine (C7) Thiacarbocyanine…

A: Since you have asked a multiple sub-part question, we will solve the first three sub-parts for you.…

Q: Strength of response A BC 2.0 4.0 D 6.0 E F חד 8.0 10.0 12.0 14.0 16.0 Time (min) Figure 3. An…

A: Gas chromatography is a method of analysis, separation, and detection of chemical components of a…

Q: 2. H-C=C-H(g) + 2H2(g) →H3C-CH3(g)

A: Bond energies :  C-H = 413 KJ/mol  C triple bond C = 839 KJ/mol  H-H = 436 kJ/mol  C-C = 348 KJ/mol…

Q: What is the molarity of a 3.36 m solution of KCl dissolved in water, given that the solution has a…

A: Given: Molality of solution = 3.36 m Density = 1.13 g/mL Molar mass of KCl = 74.55 g/mol

Q: Calculate the number of moles of sodium hydroxide in a solution that contains 16 g NaOH in 320 mL…

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

Q: Nuclear fission and nuclear fusion each release enormous amounts of energy as a result of changes in…

A: We generate all of our energy through fundamental physical and chemical processes. The majority of…

Q: Provide the correct IUPAC name for the compound shown here. || CI-C-CH₂-CH₂-CH3

A: Rules for iupac nomenclature:  1) select the longest carbon chain as parent chain.  2) identify the…

Q: Bond Enthalpies ΔΗΞ Σ ΔΗ(bonds broken) - ΣΔΗ(bonds formed) Draw the Lewis structures for each…

A: The bond energies:  C-H = 413 KJ/mol  C-Cl =328 KJ/mol  H-Cl =431 KJ/mol  Cl -Cl =242 KJ/mol  First…

Q: Label the conjugate acid-base pairs in each equation. A. HI + NH3====NH4+ + I- B HCOOH + H2O ===…

A: Acid : the substance that donates H+ ion in an aqueous solution.  Base ; the substance that accepts…

Q: Show by a sketch of heat vs temperature how solid ice will change until the ice is completely…

A: Latent heat of fusion: Latent heat of fusion of a solid is defined as the amount of heat required to…

Q: Liquid octane (CH, (CH₂) CH₂) r reacts with gaseous oxygen gas (0₂) to produce gaseous carbon…

A: From the question we have, Mass of octane = 10.3 g Mass of oxygen gas = 15.5 g Actual yield of…

Q: Water is negligibly soluble in octane (gasoline) at room temperature because of the major difference…

A: •Here we can see solubility of water is negligible in gasoline. •Because water has hydrogen bonding…

Q: 4. Consider the reaction of a generic acid (HA) HA + H₂O A + H3O+ a. If HA is a strong acid, will…

A: HA + H2O <==> A-  + H3O+  Strong acid: When an acid is strong,  it donates more H3O+ ions in…

Q: Which of the following is true about nuclear power? O It is the cheapest source of energy. O It…

A: Nuclear energy is produced by two methods (i) Nuclear fission- In this a large  radioactive element…

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

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Q: 1) 2) Draw the expanded structure of trans-4-chloro-2-pentene Are the two structures below cis/trans…

A: Trans alkene :       If two groups ( attached to the carbons of double bond ) are on the different…

Q: Use the observations about each chemical reaction in the table below to decide the sign (positive or…

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Q: 2. Circle the larger one of each pair or grouping below: O or 0²- Cr²+ or Cr³+ Ge, Br, Ca, or Ga Sr,…

A: Question is about comparison of size of atoms , ions pairs. We have to select the larger one in each…

Q: What volume (ml) of a stock 63 M NaCl(aq) solution must be taken to prepare 39 ml of a 69 M…

A: Dilution equation,  M1V1 = M2V2

Q: QUESTION 2 A radioactive isotope has a half life of 18.4 minutes. How long will it take for the…

A: Radioactive disintegration follow first order kinetics

Q: 1. Explain how to make 100 mL of 1M HCI from a 6M HCI stock solution. Show your calculation.

A: M1 × V1 = M2 × V2    M1 and M2 are the initial and final molarity, V1 and V2 are initial and final…

Q: What is the net ionic equation for the reaction of iron (III) chloride (aq) with calcium hydroxide…

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Q: 14. Consider this reaction: 2 NO(g) → N₂(g) + O₂(g) The AH° for this reaction is - 180.6 kJ/mol, and…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: "In our bodies, sugar is broken down with oxygen to produce water and carbon dioxide." For the…

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Q: A 2.50 L solution contains 5.00 g of NaOH, which has a molecular weight of 40.00 What is the molar…

A: Molarity is defined as number of mole of solute divide by volume of solution in liter