In the school laboratory, a is usually used as fractionating column. The glass beads serve as several called as

Q: Consider the following standard reduction potentials: 2H* + 2e- → H2 Sn+2 + 2e → Sn Cd+2 + 2e- → Cd ...

A:   Decreasing order of Standard reduction potential (SRP) values is Sn > Cd > H+  The one whic...

Q: 7 of 18 I Review | Constants | Periodic Tab Analyzing a new reaction Learning Goal: To understand ho...

A: Given data :- Elementary steps of a reaction  are : 1. 3X  →  E  +  F 2. E  +  M  →F  +  N

Q: . 190 g of CuSO4 are placed in 3500 g of water. Determine the molality.

A: Given Data :  1. Mass of CuSO4 ( Solute) = 190 g  2. Mass of Water ( solvent) = 3500 g              ...

Q: Please click on an indicator which would be appropriate for the titration illustrated in the plot on...

A: A question based on analytical process that is to be accomplished.

Q: Predict the products for each of the following reactions. Draw the transition state to show how the ...

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Q: A barometer is used to measure the atmospheric pressure. If the barometer reading is 72.98 cm, and t...

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Q: 5. Use standard enthalpies of formation to calculate AH°rxn for the reaction: Al2O3(s) + 3 CO(g) → 2...

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Q: If the frequency factor is 1.2 x 1013 s , what is the activation barrier? Express your answer using ...

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Q: When dissolving salt in water, what would be the effect on the dissolution rate if a 1, 0g chunk wer...

A: The rate of dissolution means how fast or slow the dissolution is. The rate of dissolution mainly de...

Q: 1. Quantum leap is the phase where electrons tend to jump from one orbit to another. 2. Ther...

A: * Electron is considered as quantum in quantum chemistry.

Q: How do I work on this

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Q: Vacuum distillation lowers the boiling point of a high-boiling point liquid because of reduced atmos...

A: Boiling initiates when an applied or the atmospheric pressure is equal to the vapour pressure of the...

Q: Question How much heat is required to melt 200 grams of ice? The heat of fusion is 333 J/g. O 6.66kJ...

A: Given-> Weight. = 200 gm Heat of fusion = 333 J/g  

Q: Question 77 An 59.74 g sample of aluminum is placed on a Not complete 56.53 g sample of copper initi...

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Q: For a 0.00554 mol sample of H2 and a 0.00912 mol sample of N2, total pressure is 23.44 torr. What is...

A: Given, moles of H2 = 0.00554 moles Moles of N2 = 0.00912 moles Total pressure, pT = 23.44 torr

Q: Experiment 1.2 Chemical Kinetics (Part 2 using McGraw Hill Connect Lab): lodine Clock Reaction Colle...

A: The above observation is for how a reaction rate is changed with concentration and temperature.  

Q: Statement 1: Multiple extraction using small portions of the solvent is less effective a single extr...

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Q: A buffer solution is made that is 0.309 M in HN02 and 0.309 M in NaNO2. If Ka for HNO2 is 4.50 x 10-...

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Q: For the mechanism provided below: a. Write the balanced equation for the overall reaction. b. Use th...

A: We will write overall equation and then predict rate law.

Q: Determine the rate law for the reaction A + B → C + D given the following experiment data. Initial T...

A: To find the rate law, first find order of reaction with respect to each reactant.

Q: Question 16 of 20 How long will it take for the concentration of A to decrease from 1.400 M to 0.729...

A: For zero order reaction,   [A] (final)= - Kt + [A] (initial) [A](initial) = initial concentration of...

Q: In the iron(II)-silver ion system performed in the experiment, all of the following successfully con...

A: Option-1 is not correct. When HCl was added to the iron (II)-silver ion system, a white AgCl precipi...

Q: Why do five grams of powdered iron react faster than a one-gram piece of solid iron?

A: Chemical kinetics can be defined as the branch of chemistry that deals with rates of chemical reacti...

Q: Black Forest Biologicals, a biotech startup, has a promising Alzheimer's drug candidate Compound SLT...

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Q: For each molecule, determine the hybridization of the central atom. Use orbital box diagrams to show...

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Q: Determine the pH change when 0.119 mol NaOH is added to 1.00 L of a buffer solution that is 0.438 M ...

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Q: Consider the following standard reduction potentials: 2H+ + 2e → H2 Sn+2 + 2e → Sn Cd+2 + 2e¯ → E = ...

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Q: A chemist needs to create a 50% HCI solution. (HCI is hydrochloric acid. A "50% HCl solution contain...

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Q: How much energy, in units of J, is required to heat 67.5 g of solid acetone from -145.3°C to -101.0°...

A: Heat is required when a substance is heating. It can be determined by following formula-  q = mc∆T  ...

Q: What is the physical or chemical properties for butane compound that's soluble in cyclohexane

A: Physical properties of hydrocarbons:

Q: Identify the following reaction as addition, elimination, or substitution. CH3CH2CH2B → CH3CH=CH2 + ...

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Q: in analysis of copper, the cathode of hollow cathode lamp is a? -Zinc -Tungsten -Lead -Copper

A:                                 Answer in analysis of copper, the cathode of hollow cathode lamp is ...

Q: You make a solution of a weak acid with a pH of 3.75 and the pKa is 5.42 1. Is the solution acidic o...

A: Acid are the solution which donate H+ ion in their aqueous solution and have pH greater than zero an...

Q: The recipe for Bananas Foster requires 35g of ethanol to be added to the pan. The ethanol starts at ...

A: Mass of ethanol = 35 g Initial temperature = 25oC Final temperature = 78o C Specific heat capacity o...

Q: which group is responsible for peak 1, 2, 3

A: Infrared Spectroscopy (IR) is useful for the identification of organic compounds.  Identify what typ...

Q: Vanadyl trichloride (VOCI3) is a liquid that is used as a catalyst in the manufacturing of batteries...

A: The mass of vanadyl trichloride is = 15.73 g The heat of vaporization of vanadyl trichloride is = 36...

Q: A buffer solution is 0.438 M in HNO2 and 0.236 M in KNO2. If Ka for HNO2 is 4.5x10-4, what is the pH...

A: Given: concentration of HNO2 = 0.438 M  concentration of KNO2 = 0.236 M  Ka for HNO2 = 4.5 × 10-4  T...

Q: 2 Volume HCI Added (mL) Strong Base//Weak Acid Strong Acid/Strong Base Strong Acid/Weak Base Weak Ac...

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Q: What is the ionic strength of a 3:2 electrolyte with a concentration of 0.100 M? a. 1.8 M b. 1.5 M...

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Q: Predict the products for each of the following reactions. Draw the transition state to show how the ...

A: Answer of the question is given below, 

Q: An analysis was done on 3 unknown samples (NaOH, Na2CO3 and NäHCU3) USIng each analysis and a single...

A: Neutralization reactions of all three possible compounds are: NaOH + HCl ------> NaCl + H2O Na2CO...

Q: The water-gas reaction is a source of hydrogen. Passing steam over hot carbon produces a mixture of ...

A: Given , Reaction :H2O(g) +C(s)→CO(g) +H2(g) Kc=3.00×10-2 T = 1000.0°C  

Q: The heater used in a 4.33 m x 3.60 m x 2.86 m dorm room uses the combustion of natural gas (primaril...

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Q: Statement 1: Extraction and washing are the same operation. Statement 2: Washing is pulling out what...

A: The extraction and washing are totally different operation as by the extraction process the target c...

Q: Lead (II) sulfide (PbS, an insoluble salt, Ksp = 3.4 x 10-28). Lead ions will form the following com...

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Q: How many grams of solid sodium cyanide should be added to 1.50 L of a 0.233 M hydrocyanic acid solut...

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Q: What is the bond order of the SO2 in the image below?

A: Bond order: When a molecule has resonance structure, the bond order tends to be average of the reson...

Q: Predict the the regiochemical outcome (major product) for each of the following reaction, and explai...

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Q: Question 9 how do you call the analysis technique done by identifying the fragments corresponding to...

A: fragmentation is the dissociation of energetically unstable molecular ions formed from passing the m...

Q: Please explain why the answer you get is correct. Thank you very much for all of your help!

A:   Le-chatelier's principle: When a system is in equilibrium , if it is subjected to stress by applyi...