The Ksp of PbCl2 is 1.69 * 10-13 M.  Calculate the solubility of  Pb2+ and Cl- in a saturated solution.

Q: How much heat is required to raise the temperature of 49.0 g of water from its melting point to its…

A: Amount of heat,Q required to raise the temperature of a substance of mass ,m and specific heat…

Q: A chemistry student in lab needs to fill a temperature-control tank with water. The tank measures…

A: Dimension of tank are as follows:Length = 34 cmWidth = 17 cmDepth = 14 cmDiameter of round-bottom…

Q: Calculate the pH at 25°C of 239.0 mL of a buffer solution that is 0.300 M  NH4Cl and 0.300 M  NH3…

A: Given,Molarity of NH3 = 0.300 MMolarity of NH4Cl = 0.300 MVolume of the buffer solution = 239.0…

Q: What statement best describes the Brønsted-Lowry theory?

A: According to the Bronsted-Lowry concept, an acid is a species that donate protons and base is a…

Q: Why is it minus HNO3 for the delta H and not plus? Wouldn't we add them?

A: As we know that the enthalpy change ( ∆H° ) of a reaction is the difference of the standard…

Q: Alder adduct. reactant A + reactant B - of

A: In this question we have given an electrocyclic reaction in which product is given to us and we have…

Q: The equilibrium constant, Kc, for the following reaction is 55.6 at 698 K. H₂(g) + I2 (g) → 2HI(g)…

A: Details

Q: 8 8 ¹H NMR - Number of signals) Aromatic protons 3 signals -CO 6 ¹H NMR - Intergration*) Aromatic…

A: The proton NMR signal ratios and the peak integration as well as the peak values can give a fair…

Q: (+) O

A: The presence of sp2 hybridized atoms and extensive conjugation are two important factors that…

Q: Draw the mechanism for the following reaction the H 1. NaBH4 2. H*

A:

Q: What is the stereo-chemistry of the following reaction? + Br 11 CH3C-OH

A:

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: 1 kPa = 1000 Pa 1 m = 100 cm => 1 m3 cm3

Q: Red cabbage juice is a sensitive acid-base indicator; its colors range from red at acidic pH to…

A:

Q: If the pH of an acidic solution at 25°C is 6.18, calculate the pOH, and the [H3O*] and [OH¯], in…

A: pH of the solution given = 6.18 pH is the negative logarithm of hydrogen ion concentration.

Q: A student ran the following reaction in the laboratory at 702 K: N₂(g) + 3H₂(g) ⇒ 2NH3 (9) When she…

A: Initial moles of N2 = 0.0328 molInitial moles of H2 = 0.0676 molVolume of flask = 1.0 LEquilibrium…

Q: Identify the conjugate base for HA in the following equa HA + H₂O → A + H3O+ H₂O OH30+ O A- None…

A: The reaction : HA + H2 + H3O+

Q: I want to prepare a working formulae for manufacturing a organic based body soap , for this can you…

A: Note: please keep in mind that creating and manufacturing cosmetic products requires a certain level…

Q: Determine the pressure (in atm) for 4.4 moles of a gas that occupies 60 L at a temperature of 40 oC.…

A:

Q: What is Kp at 1273 °C for the reaction 2CO (g) + 02 (g) 2CO2 (g) If Kc is 2.24 X 1022 at the same…

A: Equilibrium constant Kc is defined as the product of concentration of products divided by the…

Q: Nicotine is responsible for the addictive properties of tobacco. Assume Kb1 = 1.0×10-6 and Kb2 =…

A:

Q: If the pH of an acidic solution at 25 °C is 4.53, calculate the pOH, and the [H*] and [OH], in…

A: pH is the negative logarithm of hydrogen ion concentration.At 25 °C, pH and pOH are related aspH +…

Q: For the reaction 2C₂H6(g) +70₂(g)—4CO₂(g) + 6H₂O(g) AH° = -2855.4 kJ and AS° = 92.7 J/K The maximum…

A: We know the equation for the Gibbs free energy (∆G) ;∆G = ∆H - T . ∆SWhere;∆H= change in enthalpyT=…

Q: Match each phrase or sentence with its corresponding item. Each answer option ma be used only once.…

A: 2. Carboxylic :- OxyacidReason: Oxoacids are acid containing an acidic proton bound to an oxygen.…

Q: Identify the sketch of each set of hybrid orbitals Drag the appropriate labels to their respective…

A: The Hybridization occurs by the combination of the orbitals .When two or more orbitals combined ,…

Q: 5. Fe Fe + 0₂ →Fe₂O3 Rate of formation of Fe₂O3= 2.41 M/s

A:

Q: Write the common (not systematic) name of each organic molecule. Hint: your answer should have more…

A: The question is based on the concept of organic chemistry.We need to write common name of given…

Q: How much heat energy, in kilojoules, is required to convert 37.0 g of ice at-18.0°C to water at…

A: Given data Specific Heat (C) for ice = 2.11 j/g-0CHeat of Fusion for water = 333.55 j/g-0CSpecific…

Q: Consider the following reaction: MnO2 + Cl- ---> Mn2+ + Cl2 Provide the balanced half reactions in…

A: The given redox reaction is:The oxidation state of Mn in MnO2 is +4.The oxidation state of Cl in Cl2…

Q: equilibrium law expression for the  reaction  Mg(s) +  2AgNO3(aq) 2Ag(s)  + Mg(NO3)2(aq)

A: The equilibrium law expression for the given reaction is based on the law of mass action, which…

Q: What is the oxidation number of M in M2O5?

A: The oxidation number of an element refers to the total number of electrons that an atom can gain or…

Q: (a) Predict the significant m/z peaks in the mass spectra of the following haloalkanes. In each…

A: Mass spectrometry is useful to determine fragments, the structure of fragments and hence we can…

Q: Can you explain the Mg examples

A: Ionization energy is the energy required to remove the most loosely bound electron from an isolated…

Q: QUESTION 2 A solution is prepared by dissolving 10.38 g of NH3 (MW 17.03 g/mol) in 250.0 g of water…

A:

Q: For the reaction H₂S(g) + 2H₂O(1)→ 3H₂ (g) + SO2 (g) AH° = 295 kJ and AS = 295 J/K The equilibrium…

A:

Q: For the reaction below which reaction would occur at the cathode? Pb(s) + PbO2(s) + 2HSO4 (aq) +…

A:

Q: QUESTION 12 Which statement correctly identifies a feature of the reaction mechanism shown in the…

A:

Q: Consider the reaction 2N₂(g) + O₂(g) →→→→2N₂O(g) Using the standard thermodynamic data in the tables…

A: Temperature = 298.15KPressure of each gas = 20.31 mmHgThermodynamic values are not given in the…

Q: escriptionSolubility (soluble, insoluble, miscible & immiscible)25 mL of water and 1 g of salt—the…

A: Solution: - A solution is a homogeneous mixture of two or more substances. A homogeneous mixture…

Q: why do we use 8.314 J/mole k as the value for R in the determination of the heat of vaporization of…

A:

Q: You have analyzed an unknown sample that produces an absorbance of 0.372. The pathlength is 1 cm and…

A: Given: Absorbance,  A = 0.372 Molar Concentration, C = 2.1 MPathlength = l = 1 cm As we know,  A = ε…

Q: Which of the following Newman projections correctly represents the structure of (2R, 3S)-2-chloro-3-…

A: In this question we have given an organic compound and we have to draw the correct Newman projection…

Q: 2. What is the rate of disappearance of KCIO3 in the following reaction: 2 KCIO3(s) → 2 KCI(s) + 3…

A:

Q: 8.45 Identify the reagents you would use to accomplish each of the following transformations: -0-0…

A: We have to Identify the reagents that would use to accomplish each of the guven…

Q: Which of the following salts produces a basic solution in water: NaF, KCl, NH4Cl? Choose all that…

A: To determine which of the salts produce a basic solution in water, we need to consider the ions…

Q: Name the following:, write the molecular formula, draw the line angle structure a.…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: Question 14 Identify all amines below that cannot be made via an azide synthesis (reaction with NaN3…

A: Alkyl halide   reacts with the sodium azide to form alkyl azide which can be reduced into a primary…

Q: Use tabulated standard electrode potentials to calculate the standard cell potential for the…

A: Electrochemical cell reaction : 3Pb2+(aq) + 2Cr(s)➡️ 3Pb(s) + 2Cr3+(aq) Here, standard reduction…

Q: Draw the product of this reaction. Ignore inorganic byproducts and CO2.

A: oxidation  of  an alkene using oxidizing agent like KmnO4 gives  products like cis/trans diol or the…

Q: QUESTION 9 The reaction 2A(aq) + B(aq) → C(aq) + 3D(aq) isfirst order with respect to reactant A and…

A:

Q: Give me detailed Solution with explanation

A: Alkylbenzene is directly oxidized to benzoic acid by using a stronger oxidizing agent like KMnO4.