20. What is A,G° (in kJ) at 500.0 K for the following reaction: Zn(s) + H2O(g) - ZnO(s) + H2(g)? 200 1

Q: Isotonic saline solution has a mass % NaCl concentration of 0.900%. Assuming its density is 1.00…

A:

Q: Q6. What are the reacting ions when Pb(NO,), and NaCl react in aqueous solution? A. Pb" CI B. Na",…

A: Q.6. Spectator ions are the ions which are present in the same form on both reactant and product…

Q: Exhaust steam from a steam power plant in Batangas is at 7 kPa(29°C) at the rate of 75 kg/s enters a…

A:

Q: The sulfur from 4.00g steel is evolved as dihydrogen sulfide gas and titrated with 1.60 mL of…

A: In order to solve this question, we first need to know a couple of definitions. Molarity: It is a…

Q: What peaks (and their corresponding ppm) would I expect in the H NMR spectrum of 1) m-toluic acid 2)…

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Q: Choose the INCORRECT statement. A) The maximum work available in a cell = -zFEcell- B) AG° =…

A: A Galvanic cell is an electrochemical cell, in which the chemical energy is converted into…

Q: Explain the reaction that occur between hydrogen and chlor

A: Given,

Q: पीजबाश चौ०ह ैनेल्परनपकच्छ Hवे उ्चेकेट एoin्य मुफव न्ठe खट्यऊी fottowing Nog , C०- १०५३ वलव स्eCCN )

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Q: consumed Knowing that [reactant]Ó = [reactant]nitial- [reactant] And that Fe"(aq) + SCN(aq) Ó…

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Q: A student had 3 test tubes, each with 100 g of water in it. First test tube: 180 g of C6H1206 is…

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Q: Which of the following is a physical change? Choose all that apply. O a. rusting of a metal can Ob.…

A: Choose which are physical change?

Q: Subtractive color mixing is: O colored light is combined with colored light O colorants are combined…

A: Processes of combining colored light is called: additive color mixing. When colorants are combined…

Q: Assign. Shift (ppm) 3.596 (2H, t) 3.05 (1H, s) 1.558 (2H, m) 1.34 (2H, m) 1.32 (2H, m) 0.910 (3H, t)…

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Q: Which of the following pair/s is/are correctly matched? 1- Boyle's PV=K II - Gay Lussac's K T. I-…

A: We need to determine the correct statements on the basis of Gas laws

Q: What mass of KCl is in 350 mL of 0.24 M KCl?

A:

Q: Which of the following is both an Arrhenius base and a Bronsted-Lowry base? Select one: a. NH, '3 b.…

A: Which one of the following is correct

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Q: Q14. Which equation correctly represents the first ionization of copper? A. Cu(g) → Cu* (g) + 1e B.…

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Q: Given that standard reduction potentials at 298.15 K are E° Ag+ /Ag = +0.800 V and E° Cu?"/Cu =…

A: When Ag foil is soaked into Cu(NO3)2 solution, for Ag to dissolve the reaction involved would be:…

Q: Would you increase or decrease the pressure (via a volume change) of each of the following reaction…

A: Pressure is directly proportional to the number of moles.when pressure decreases then volume…

Q: NaOH H20, ELOH Dibenzalacetone of

A: Given,

Q: व- मोर कपलप्पछ वक्तर्व पक्चनेट एon हुगफव ठिठर एवटक fottowwing Cog-- १०५ बकत स्टत्व) Nog

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Q: The following figure below is the structure of Probenecid. What is the effect of the addition of…

A: Probenecid has ability to block the transport of penicillins across epithelial cells (for ex renal…

Q: A galvanic cell is powered by the following redox reaction: MnO,(s) + 4 H'(aq)+ 2 Cu" (aq) 2+ Mn…

A: Given,  Redox reaction, MnO2(s) + 4H+(aq) + 2Cu+(s) -------> Mn2+(aq) + 2H2O(l) + 2Cu2+(aq)

Q: 4.25 L 3.46 mol CO,2 229°C

A: Answer: Ideal gas equation: PV=nRT   Van der wall's equation: (P+an2V2)(V-nb)=nRT

Q: 1. The amount of phosphorus present in a sample at a given time is given by the following equation:…

A: Here we are required to find the initial amount of the element.

Q: 1   Consider the following reaction:  2 A (g) + B (s) ⇌ C (g) + D (g) KC = 0.288 at 25 ºC  0.200…

A: Given,  The reaction:  2 A (g) + B (s) ⇌ C (g) + D (g) KC = 0.288 at 25 ºC  Initial moles of C =…

Q: Van't Hoff equation estimates the Ws of a rue False

A: Osmotic pressure (Ψ)s is determined by using Van't Hoff equation,  (Ψ)s = i×CRT

Q: Use standard enthalpy and entropy data from Appendix G to calculate the standard free energy change…

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Q: If 94.92 mL of a solution of HCI are equivalent to 43.76 mL of a solution of NaOH and if 49.14 mL of…

A: Solution -

Q: 4. SO3“ (aq) + Cr,0,²- 2- 2- → SO4° (aq) + Cr3+, Caq) [acidic solution] (aq) a. Write the balanced…

A: In the given reaction, chromium goes from oxidation state of +6 to +3. So, it is being reduced.…

Q: 1. Nitrogen Gas 2. Oxygen Gas 3. Fluorine Gas look for its critical parameters and calculate its…

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Q: Which of the following pairs of substances could function as a buffer system in an aqueous solution?…

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Q: C,H120 LOD D 4000 3000 2o00 HAVENUHBERI 00ot Assign. Shift (ppm) 3.596 (2H, t) 3.05 (1H, s) 1.558…

A: All the relative discussion has been done in the following step.

Q: Twenty grams of potassium dichromate (K2Cr207) is dissolved in 150 mL of water. The solution was…

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Q: Your titration involves using a 25.00mL pipette to deliver the ascorbic acid star (C,H3O6) to the…

A: Given, Molarity (M) = 0.0050 M Volume (V) = 25.00 mL = 0.0250 L

Q: Chloromethane forms by the reaction given below. At 1500 K, Kp = 1.63104. In the reaction mixture, P…

A: Qp and Kp is used to determine the direction of reversible reaction.

Q: Which of the following statements is TRUE for fats and oils?* Fats need more volume of bromine to…

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Q: Write the equations for the reactions of p-dichlorobenzene with the following A.hydrogenation B.…

A: Since, this question have multiple subparts. So, I will solved first three subparts for you.  You…

Q: Use the following atomic masses (in g/mol): Mg = 24.31; H = 1; S = 32.06; O = 16; Na = 23; Cl = 35.…

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Q: what would be the final temperature of a mixture of 100g of water at 90 C and 600 g of water at 20 C

A: Use simple concept heat loss by 100g of water = heat gain by 600g of water

Q: Calculate the molar solubility of CdCO3 (Ksp = 6.2 x 10-12) in 0.0063 M Na2CO3. Format for…

A: Ksp = 6.2 x 10-12 Molarity of Na2CO3 = 0.0063 M This Na2CO3 contributes in total concentration of…

Q: Chemistry The sulfur from 4.00g steel is evolved as dihydrogen sulfide gas and titrated with 1.60 mL…

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Q: Q13. What volume (ml) of 1.00 M FesO, is required to completely react with 150.0 ml of 0.500 M…

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Q: Ingredients in making a FACE POWDER USES Mica (Phyllosilicate) Pearlescent Pigment (Bi OxyChloride)…

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Q: Which of the following is incorrect about direct titration? 1. OThe prepared solutions must be…

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Q: Q14. Which of the following correctly represents the third tonization of aluminum? A. AI'ie) • le--→…

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Q: A chemist wants to measure the rate of the following reaction: 2CIO2 (ag) + 20H" (ag) ----> CIO3…

A: Answer: When, reactants in the given chemical equation, forms the product , that is called as…

Q: A certain liquid (A) has a normal boiling point of 127.80°C and a boiling point elevation constant…

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