From a series of five data points concerning a gaseous reaction, a plot of In(K) vs (1/Temp) generated a slope of -68.8/Kelvin. Estimate the enthalpy of the reaction, per mole basis. O-5.65 J O-572 J O5.65 J O572 J

Q: stock solution was prepared by adding 2.4 g of solid Aluminum hydroxide in 500. mL of water.  50.0…

A: Given-> Weight of Al(OH)3 = 2.4 gm Initial volume = 500 ml = 0.500 L (1L = 1000ml) ->Then 50…

Q: Generate a titration curve for 25.0 mL of 0.7233 M H;POs, with 1.256 M NAOH as the titrant, given…

A: The titration curve for the titration of 25.0 mL of 0.7233 M H3PO4 versus 1.256 M NaOH solution is…

Q: 1. What are the differences between natural and synthetic dyes? 2. Why is it important to choose a…

A: A dye is a colored substance that chemically bonds to the substrate to which it is being applied.…

Q: Show the steps necessary to transform the compound on the left into the compound on the right

A:

Q: Copper has a specific heat of 0.386 J/g°C. How much heat is required to increase 5.00 g of copper…

A:

Q: 1. What is the difference between dye and pigment? 2. Why is it vital for a chromophore to be a part…

A: 2. Chromophore is that part of the dye which is responsible for its colour. This colour is made…

Q: 2. The following data were collected for the reaction between hydrogen and nitric oxide at 700 °C:…

A: 2.Rate of a reaction is proportional to the molar concentration of reactants raised to some powers…

Q: A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 3Cu*…

A:

Q: Provide the reagents that would accomplish the following reaction. Br NaBr O HBr, H20 O H2, Br2 HBr,…

A: The answer is given below

Q: how can (s)-2-methylpiperidine-4-one be prepared from small 2 carbon or benzene molecules . please…

A: Piperdine is a heterocyclic amine containing five methylene bridges and one amine bridge.

Q: Groundwater containing 0.0001468 M of Mg2+ is at equilibrium. Use the solubility constant…

A: Solution - pH = pH is a scale used to specify the acidity or basicity of an aqueous solution. Acidic…

Q: Chemistry Calculate the pH for each of the cases in the titration of 25.0 mL of 0.150 M pyridine,…

A: we need to calculate pH for the given titration

Q: How much heat will be transferred when 14.9 g of ammonia reacts with excess oxygen according to the…

A: The reaction in which heat is released is known as exothermic reaction.  The reaction in which heat…

Q: What are the molar concentrations of acetic acid (CH,COOH) and sodium acetate (CH,COONA) in an…

A: Buffer solution: buffer solution  is an aqueous solution consisting of a mixture of a weak acid(HA)…

Q: eous or nonspontaneous? 3 H2(g)2 NH30(g) AS° System = 180J/K %3D ndard enthalpy of formation of an…

A: 2) Given,  □H = -45.9 kJ/mol □S = 180 J/mol-K □G = □H - T□S = -45.9 - 298×180/1000 = -99.5 kJ/mol As…

Q: In each row check off the boxes that apply to the highlighted reactant. The highlighted reactant…

A: Acid is substance which release hydrogen ions and base is substance which release hydroxyl ions when…

Q: Nucleosynthesis: You find yourself in the expanding stellar envelope following explosion of a star…

A: The first stage of nucleosynthesis is the fusion of hydrogen nuclei and consequent formation of…

Q: Some chemical compounds are listed in the first column of the table below. Each compound is soluble…

A:

Q: 13) How many milliliters of 0.250M AgNO3 would be needed to react exactly with 20.0g of NaCl? pure…

A: Silver nitrate reacts with sodium chloride to form silver chloride and sodium nitrate. The equation…

Q: How many vibrational modes are there in a linear triatomic molecule? Using an example, describe…

A: We have to tell the number of vibrational modes are present in a linear triatomic molecule. So,…

Q: 2. Write the synthetic procedure for the target compound with your own idea. (At least more than 5…

A:

Q: What ion would stronium replace in hydroxylapatite?

A: The effect of partial substitution of Ca2+ in hydroxyapatite by Sr2+ on bone mineral content (BMC)…

Q: Write TRUE if the underlined word/phrase makes the statement correct. Otherwise, write the correct…

A: To write TRUE otherwise the correct word/phase to make the statement true. Since you have asked a…

Q: Calculate the average % nitrogen in the sample using the following experiment trial result.…

A: Nitrogen (N2) reacts with hydrochloric acid (HCl) to produce ammonia gas (NH3) and chlorine (Cl2).…

Q: If a mixture is distilled rapidly, the separation of its compound is poorer than if the mixture is…

A: The correct answer is given below

Q: Express the following with the least number of significant figures a) 12.85497195 b) 1.81231802…

A: Express the following with the least number of significant figures---

Q: 5. Write the products for the following two reactions of pheno 1. NaOH 2. CH,CH Br HO 1.…

A:

Q: SOCI, 1. Mg/ether 3,4-dimethyl-1-hexanol pyridine 2. H,0 Cro/ H,SOJH,O OH %3D II OH он IV

A:

Q: 1. Which of the following will have the greatest standard molar entropy (S°)? a. Hea b. H2Om c.…

A: 1. c 2. a 3. c

Q: Phosphorus-32 is radioactive and has a half life of 14.3 days. How much of a 9.00 mg sample would be…

A:

Q: A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 2+ 3Cu…

A:

Q: 973 14. On the right is the phase diagram of the binary mixture between Zn and Mg under 1 atm.…

A: Option-(B) is correct.

Q: If 22.0 grams of propane (C3H8) is combusted in a bomb calorimeter containing 3.25 liters of  water,…

A: as we know that,

Q: Soalan/ Question 3 The weight of a certain population of young heifers is approximately normally…

A: We asked to find the probability of subject that selected at random from given population. The…

Q: (c) Complete the following reactions. ON в CHO CHO Br

A: To complete the given reaction.

Q: What is the product (s) of the following Reaction? H2 Rh (PPH3),CI B E A O D&E O C&E O A&B O C&D O…

A:

Q: To test whether you learned something from this module, answer briefly the following questions…

A: 1. The main difference between them is that dyes are soluble and pigments are insoluble and are…

Q: Which of the following mixtures can be titrated with separate endpoints? weak acids with Ka…

A: Answer: In the titration end point is the point at which titration gets completed and indicator…

Q: Choose which of the following has the leastSo.   metallic Pt methane molten brass (alloy of Cu and…

A: entropy is the randomness in the arrangement of the particles. in solids constituent particles are…

Q: A medical technician is working with the four samples of radionuclides listed in the table below.…

A: Radioactive decay follows the first-order kinetics. The half-life of the first-order reaction does…

Q: A. Among the elements from Group 1 A&B, Group 2 A&B, and Group 3 A&B, select the 5 most…

A: Solution- Group 1 A elements are hydrogen (H), lithium (Li), sodium (Na), potassium (K), rubidium…

Q: of effusion of a given gas is i al to the square root of its mo cant volume and fixed amount xerted…

A: Gas law's are applicable for ideal gases By combining all gas laws we can find the over all gas…

Q: A reaction 3X+Y 2Z is started with 0.87 M Z and no X or Y. With the aid of the ICE table provided…

A:

Q: 6. Which of the processes will lead to a positive change in the entropy of the system? a.…

A: Answer: Entropy is the measure of system's disorderliness or randomness. In more possible states…

Q: When 64.7 g of HI (127.9 g/mol) forms from the reaction of hydrogen gas with excess iodine, how many…

A: Given, H2 + I2 → 2 HI mass of HI produced = 64.7 g  molar mass of HI = 127.9 g/mol mass of Hydrogen…

Q: Which of the following will not provide an ether as a product? a. reduction of an alcohol b.…

A:

Q: 39. At the normal boiling point, 61.5°C, the heat of vaporization of CHCI, is 59.0 cal/g. Assuming…

A:

Q: What is the absolute configuration of the carbon in the given molecule below?

A:

Q: What is the standard molar entropy change of the following reaction? 8 NH3(g) + 10 O2(g) → 8 NO(g)…

A: Entropy is a measure of the randomness of the system. The entropy change in a chemical reaction can…

Q: Now it's your turn to make the beaker drawings for one of the chemical reactions you observed…

A: The correct answer is given below