Which of the following processes are EXOTHERMIC? Select all correct answers.  Hand warmers      Chemical ice pack      Melting      Freezing      Condensation      Boiling

Q: Calculate the hydronium ion concentration for each of these aqueous solutions: a) solution has a pH…

A: Please find your solution below : pH is the measure of extent of how acidic or basic a solution is.…

Q: b). A wastewater contains 7.2 mg L-1 phosphorus and is treated with 15 mg L-1 aluminum in the form…

A: Solution -

Q: A buffer with pH = 8.96 must be created. 8.90 g of the acid component of the best buffer system will…

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Q: What are radiotracers? do they work? Name two and neir medical applications.

A: Answer - According to the question - A radio tracer is a chemical compound in which one or more…

Q: Calculate the potential of each electrode below: 1. a zinc electrode immersed in 0.0500 M Zn(NO3)2…

A: Since you have asked multiple questions, we will solve, first one for you. For remaining questions,…

Q: Propose the systematic name for the following alcohols and determine either it's a primary,…

A: 1. Select the principle carbon chain 2. Numbering 3. Naming (prefix + word root + suffix)

Q: HICII HIOI D Listen Which functional group is represented by the molecule below? H-C-C-C-H…

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Q: Analyze the "C NMR spectrum for the CHi„CI compound shown below and determine a structure. Assign…

A: The C-13 NMR spectra can be taken in two ways-  1- proton coupled mode 2- proton decoupled mode

Q: Which is an industrial reducing agent frequently used to reduce iron from its ore? O Oxygen O…

A: Answer: Iron is found in nature in form of oxide ores. During the reduction process we take off this…

Q: 4. (a) Write a synthetic scheme for bis(acetyleacetonate)copper complex. Draw the structure of the…

A: Bis(acetylacetonate) copper complex is the coordination compound with the formula, Cu(O2C5H7)2.

Q: 5. If the temperature of a gas at 3.4 atm decreases from 100°C to -100°C, what will the pressure…

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Q: 4)Listen Which of the following best describes a chemical reaction that absorbs heat from the…

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Q: A chemist used a strip of metal in an electrolysis circuit in which the metal strip serves as the…

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Q: How much energy is released when 2.50 metric tons of H 2 gas undergoes nuclear fusion?

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Q: Balance the following redox reaction under acidic conditions. H2S(2) + NO3 (aq) → S8 (be) What is…

A: Balanced the reaction under acidic condition then after answer the given question---

Q: Draw the Lewis dot structure for each of the following molecules or ions. Determine the number of…

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Q: At SATP, iodine boils at 183.0oC. The vapor pressure of the liquid at 392 K is  0.133 atm. If the…

A: Solution- Data given- Iodine (T) = 183.0oC=456K Pressure - 0.133 atm. =13476.22 Pa at 392 K molar…

Q: The indicator bromothymol blue is yellow in a solution whose pH is less than 6.0, green if the pH of…

A: Given--<>  [H3O+] = 3.45 ×10-3 M what is color of bromothymol blue = ?

Q: Listen What mass of copper could be electroplated from a solution of CuSO, by a 50 A current in…

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Q: Analyze the "C NMR spectrum for the CHCI compound shown below and determine a structure. Assign all…

A: The Index of hydrogen deficiency helps us to get an idea about the no of double bond or rings may…

Q: What quantity of heat (in KJ) would be required to convert 11.1 g of ice to water 0.00 C ?…

A: Given-> Weight = 11.1 gm T =0°C = 0+273 = 273K ∆Hfus= 6.01KJ/mole

Q: Which would NOT protect iron from corrosion? Electroplating with Zn Attaching to Ni Electroplating…

A: 1) The zinc coating serves as physical protection which prevents rust and corrosion. 2) Nickel…

Q: 4) Draw the MAJOR product of the following reactions. Show stereochemistry when appropriate. Circle…

A: We have to give the major products and also tell the type of the mechanism.

Q: Identify (circle) the oxidizing agent in each of the following redox reactions: PbO, + Pb + 2 HSO, +…

A: ->Oxidizing agent is the reagent which can oxidize the other specie and reduce itself.

Q: Calculate the pH, the pOH, and the molarity of all species in solution for a 2.45 M butanoic acid…

A: Given :- molar concentration of butanoic acid = 2.45 M  To calculate :-  Molarity of all species…

Q: What mass of iron in the nail reacted with the water?

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Q: 1.Provide information regarding directing ability and strength of all substituents. 2What is the…

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Q: 4. How much heat is needed to evaporate 2g of ethyl alcohol?

A: Given,  The mass of ethyl alcohol = 2 g.  The heat needed in the transformation is:

Q: 38. Draw the chemical structures and figure out the compounds from o-glycosidic bond or n-glycosidic…

A: Here, If you are considering that a and b are not for alpha or beta, then you can consider here only…

Q: Explain distinctively negative permitivity and negative permeability and it's role in metametarials…

A: Metamaterials are engineered materials having some specific property. They are typically composed of…

Q: Trial 1 2 3 S Final Volume Reading NAOH (ml) 36.65 38.23 35.80 Initial Volume Reading NaOH (ml) Net…

A: Standardization of sodium hydroxide

Q: 1. What quantity of heat is required to raise the temperature of 450 grams of water from 15°C to…

A: Given Mass of water (m) = 450 g Initial temperature (Ti) = 15°C Final temperature (Tf) = 85°C Amount…

Q: Calculate the boiling point of a solution containing 12g glucose C6H1206 dissolved in 200g of water…

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Q: NH HO

A: Acid reacts with an amine to give an amide.

Q: Calculate AG from the standard enthalpy of formation and standard molar entropy values and predict…

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Q: Q.6. (a) Compare and contrast main features of Orgel and Tanabe-Sugano diagrams. Mention the ground…

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Q: Critique the contribution Heisenberg, Schrodinger, Born and Oppenheimer made to modern spectroscopy?

A: In Chemistry, spectroscopy commonly is used to study the structures of atoms and molecules.

Q: 18.) The Joule-Thompson Coefficient of a certain gas is 10.9 K MPa-1. If a pressure change of 53 adi…

A: This effect is arise when a thermodynamical system  containing solution is expanded from high…

Q: 2. The hydrogen oxalate ion (HC204-) is amphoteric. Write a balanced chemical equation showing how…

A: 2.) Amphoteric species are those which can act as both acid as base.  Acid is when they lose H+ ion…

Q: Consider the electrochemical cell that is pictured below, that can be used as a battery. ) In which…

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Q: Calculate the molar solubility of Fe(OH), in pure water. K, for Fe(OH), is 4.87 x 1017 Kap

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Q: A weak acid, HA, has a Ka=9.8 × 10–5. Find the % dissociation of a 10‒2.00 M of this solution.

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Q: 4. Predict the product obtained from following oxidation reaction (a) он Naoa CH,COOH

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Q: 16.) A 45.0 g silver spoon was submerge to a 200 g of coffee drink in a 432 g ceramic mug. If the…

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Q: Under normal room conditions (standard pressure at about 20°C), water will not boil, so we do not…

A: Spontaneous process: A process which releases energy.  It means change in free energy must be in…

Q: choices: a.) AlCl3 b.) HClO2 c.) Cl2 d.) Cl2O

A: Oxidation number is the partial or imaginary charge present on an atom in the compound.  When…

Q: Which will make a good substitute for bromocresol green in a double indicator titration?…

A: Aqueous bromocresol green indicator solution is yellow below pH 3.8 and blue above pH 5.4. Between…

Q: What is the objective of the Separation Technique: Paper Chromatography ?

A: A separation process is a method that converts a mixture or solution of chemical substances into two…

Q: Which of the following statements is NOT TRUE for all voltaic cells Anode and cathode are in 2…

A: We have asked to find out the statements which are not true for all voltaic cells. The answer to…

Q: Balance the following redox reaction under acidic conditions. H2S() + NO3 (aq) → S8(s) + NO(2) (ba)…

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