Consider the reaction: A + 2B --> C S° (A) = 134.62 J/molK S° (B) = 217.91 J/molK S° (C) = 193.99 J/molK Determine the entropy change of the reaction at 298 K in J. Report your answer with 2 places past the decimal point.

Q: See if you can complete the following table using only what is on this page. Hint: Two of the…

A: Fill in the blanks--

Q: A sample of pure silver has a mass of 15.4 g. Calculate the number of moles in the sample and silver…

A:

Q: ion oxidation state of metal atom [MeC(NH).J

A: For finding the oxidation state of metal atom in coordination compound, charge on the ligand should…

Q: Duestron 10 How long would it take to deposit o.5 grams of Au from an Au(CN), solution at a current…

A:

Q: 8. The Paschen series in the emission spectrum of a hydrogenic atom consists of transitions that end…

A: The Rydberg formula is used to calculate the wavelengths for highest and lowest energy transitions…

Q: A certain reaction is first order in N, and second order in H,. Use this information to complete the…

A: We will use the rate law to calculate the rate constant than we will put the value of rate constant…

Q: Combustion of hydrocarbons such as undecane (C,H) produces carbon dioxide, a "greenhouse gas."…

A:

Q: Determine the rate of consumption of N2 if the rate for formation of NH3 is 0.366 M/s. Use the…

A:

Q: Enter your answer in the provided box. The combustion of how many moles of ethane (C,H) would be…

A:

Q: A 0.043 M solution of an unknown acid, HA, has a pH of 2.56. What is the hydrogen ion concentration?…

A: In this question, we will determine the hydrogen ion concentration.  You can see the solution and…

Q: ion oxidation state of metal atom [Mac (NH).J [Fe(OH), (co)]

A: This question is related to coordination chemistry. A coordination complex consists of a central…

Q: What is the solubility of silver iodide (AgI) in a solution containing 0.20 M sodium iodide (NaI)?…

A: Given, the Ksp of AgI = 1.5×10-16 We have to calculate the solubility of silver iodide(AgI) in a…

Q: Determine the molarity of a solution with a volume of 610. mL and 0.740 mol of solute dissolved.…

A:

Q: The normal mode shown below corresponds to the uniform expansion of a benzene ring. Is this mode IR…

A: For a normal mode of vibration (stretching or bending) to be IR active, the vibration must result in…

Q: Calculate the pH of a solution that is 0.214 M acetic acid and 0.152 M sodium acetate. The Ka of…

A:

Q: The copper(II) ion reacts with phosphate ion to form an insoluble ionic compound, Ksp = 1.40×10-37.…

A:

Q: Choose the best reagent(s) from the list provided below for carrying out the following reaction…

A:

Q: Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction…

A: Given :-  Carbon dioxide + water → glucose + oxygen  Mass of carbon dioxide = 9.3 g  To calculate :-…

Q: It's 32°F (0°C) outside under normal atmospheric conditions (1 atm) at a stunt performer's birthday…

A:

Q: Indicate whether each of these Lewis Acids is likely to form stronger bonds to fluoride or iodid and…

A: The given caions are Ag+, H+, Cu+, Ti4+, V5+. The above cations form strong bonds with either…

Q: 0.15 M aqueous solution of the weak base B at 25°C has pH of 8.88. The value of Kb for B is ______.

A: We will calculate the POH first than we will use the relation POH = 1/2(PKb - log C).

Q: Could u show the products and the mechanism of the following reaction and give a short explenation?…

A: No, there is not possible to form product by elemental bromine instead of acidic HBr because…

Q: Que- Pro posea two reaction sequenie to con vert each of the fallowing Subs trates in to the…

A:

Q: At a certain temperature this reaction follows first-order kinetics with a rate constant of 1.96 s…

A:

Q: what would the potential of a stendond mydrogen elechode (SHE) be under the fotlowig conditins? CHt]…

A: Given conditions: [H+] = 0.66 M PH2 = 4.7 atm T = 298 K We have to calculate the potential of a…

Q: Hello, here is my problem. Calculate the mass of solid sodium sulfate that must be added to 250.0…

A:

Q: (Include formal charges, lone pair electrons and use dashed and solid wedge bonds if necessary) 2.…

A: According to VSEPR theory total Electron pairs =  bond pairs  + lone pairs Electronic geometry…

Q: Predict the major organic product of the reaction, and complete its mechanism. Predict the p: Select…

A: The reaction and mechanism are shown below.

Q: Consider the following equilibrium: 2NH3 (g) - N, (g)+3H, (g) = 34. kJ Now suppose a reaction vessel…

A:

Q: the pH of a basic solution is 10.47. What is [H+]

A:

Q: Given the reaction: 2 Al (s) + 6 HCI (aq) --> 2 AICI3 (aq) + 3 H2 (g) A strip of aluminum of unknown…

A:

Q: e molar mass of the following o

A:

Q: unknown metal cation has a +1 charge. The bromide of the unknown tal (Metal Br) is dissolved in…

A:

Q: Order the following lonic compounds in increasing lattice energy strength (1 having the smallest…

A:

Q: Calculate the pH at the equivalence point when 75.0 mL of 0.250 M HCl is mixed with 0.350 M of…

A:

Q: Capillary electrophoresis differs from other chromatographic methods because:

A: It uses unique detectors.

Q: Calculate the pH at 25°C of 290.0 mL of a buffer solution that is 0.310 M  NH4Cl and 0.310 M  NH3…

A:

Q: What is the rate constant of a first-order reaction if the half-life is 2.50 min? 1/m 4. 6. 3. 2.

A:

Q: A student àdds a small amount of phenolphthalein to an erlenmeyer flask, and it changes to pink when…

A: Given: A student adds a small amount of phenolphthalein to an erlenmeyer flask and it changes to…

Q: Question 26 of 28 The half-life for the second order reaction A Products is 4.57 min. What is the…

A:

Q: Suppose that equal volumes of 0.114 M sodium chloride (NaCl) and 0.0888 M silver nitrate (AgNO3) are…

A:

Q: What volume of hydrogen gas (in mL) at 703 mm Hg and 40 °C can be produced when 2.9 g of MgCO3(s)…

A: According to an ideal gas equation PV= nRT Where P= pressure of the gas, V= volume of the gas, n= no…

Q: Give a clear handwritten answer with explanation..give the mechanism of given bleow reactions...

A: Butyl lithium will acts as strong base, it abstract acidic proton resulting a nucleophile is…

Q: A chemist fills a reaction vessel with 0.682 g calcium phosphate (Ca, (PO,)) solid, 0.798 M calcium…

A:

Q: 1. What is the weight of the sample in trial 1? 2. What is the average weight of the precipitate…

A:

Q: Draw a Fischer projection of meso 4,5- difluorooctane

A: The Fischer projection is a three-dimensional representation of an organic molecule in a…

Q: You make two different aqueous solutions in separate 200 mL beakers. The first solution contains 10…

A: HF is a weak acid. Hence it is very weekly dissociated in water.  HCl is a very strong acid. Hence…

Q: Think of a reaction for which the enthalpy change of reaction would be difficult to determine. Write…

A: Think of a reaction for which the enthalpy change of reaction would be difficult to determine. Write…

Q: You take a course in archaeology that includes field work. An ancient wooden totem pole is excavated…

A: Given: The beta decay rate is measured at = 690 decays/min. sample from the totem pole contains =…

Q: What is the atomic number for the element that is in group VIIB(7) and period 4? Atomic number = 25…

A: There are 7 periods and 18 groups in the modern periodic table.  Elements are arranged in order of…