Question #2 - Describe a physical change which has an impact on your daily life. How can you be sure that intermolecular forces are involved in this process ?

Q: A receptor, R, binds to its ligand, L, according to the binding curve shown below. If [R]= 25 mM at ...

A: Concentration of ligand= 28mM 

Q: Briefly discuss the following: Different types of membrane indicator electrode How a pH ...

A: 1. Answer - Ion-selective electrodes are membrane  indicator electrodes that produce an electrical p...

Q: 45.0 g Ba(OCl)2 and 175mL of 8.00 M HCl are allowed to react, how many grams of chlorine gas will fo...

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Q: Suppose 0.7542g of KHP is titrated with 22.74 mL of NaOH. What is the concentration of the NaOH solu...

A: Given data of the following, Mass of KHP = 0.7542 g, molar mass of KHP= 204.22 g mol-1 Volume of NaO...

Q: Question 4 A catalyst can the rate of a reaction by providing an alternative pathway with a activati...

A: Activation energy is the minimum amount of energy that is required for chemical reaction to occur.

Q: A 0.425 g sample of steel is dissolved in acid, and the manganese oxidized to permanganate. The solu...

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Q: 1. Differentiate crystal structure, crystal system, and crystal form.

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Q: Draw the structure for each of the following peptides in their fully protonated forms. Indicate whic...

A: A fully protonated form is the structure of a peptide in which all the removable protons(H+) are com...

Q: It is the study of the heat or energy involved in physical and chemical changes. Thermodynamics The...

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Q: Calculate four values for the Assignment: oxygen binding to hemoglobin. Assume the following set of ...

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Q: Titanium and chlorine react to form titanium(IV) chloride, like this: Ti(s)+2 Cl,(g)→TİCL,(1) At a c...

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Q: a) How does the bonding model in (i) isonitrile (C=NR) and (ii) nitrile (N=CR) ligands account for t...

A: The bonding model of isonitrile, nitrile, and non-planarity of ethene molecule can be described from...

Q: How many grams of magnesium are required to produce 4.380 kg of Siı? (At mass: Mg-24.31; Si-28.09) S...

A:     Recall the given reaction,  SiCl4  +  2 Mg                   Si  +  2 MgCl2   4.380 Kg of Si is...

Q: Write the materials and how are you going to prepare this solutions with step-by-step procedures. 2...

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Q: Question 10 Which one of the following statements does not describe the equilibrium state? O Equilib...

A: 1) equilibrium is dynamic and both forward and reverse reactions never stop.

Q: Under certain conditions the rate of this reaction is zero order in ammonia with a rate constant of ...

A: Given, 2NH3(g) ➝ N2(g) + 3 H2(g) Reaction is a zero order reaction. Rate constant (k) = 0.0091 M.s-1...

Q: The vapor pressure of 1.00M solution of sucrose (C12H22O11) and 1.00M solution of Al(OH)3 is compare...

A: As the Number of particle in a solution increases the vapour pressure decreases 

Q: 10.0 M NH3 pH: [H30+]: [OH-]: pOH:

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Q: Try to create a sample word problem about Hess’s Law. Show solution.

A: Hess law tells about the heat change takes place in a chemical reaction. 

Q: What is the percent yield of CO 2 if the reaction of 10.0 grams of CO with excess 02 produces 12.81 ...

A:       Recall the given reaction,  2 CO (g) + O2 (g)                 2 CO2 (g) 10.0 g of CO reacts wi...

Q: A 25.00 mL sample of acetic acid (CH3COOH) is titrated to the equivalence using 31.08 mL of 0.1978 M...

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Q: Rank the elements or compounds in the table below in decreasing order of their boiling points. That ...

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Q: A gas made up of atoms escapes through a pinhole 0.799 times as fast as Kr gas. Write the chemical f...

A: Given data, Molar mass of Kr =83.798 g mol-1 Rate of Kr = r  Rate of unknown = 0.799 r Molar mass an...

Q: . What factors can affect a solute's Rf value in thin-layer chromatography? 2. Why is it necessary ...

A: Answer - According to the question - Rf values and reproducibility can be affected by a number of di...

Q: In the case of serine, threonine and tyrosine they have the -OH group in their residue. I'm wonderin...

A: To answer the question we have to know the structure of serine , threonine and tyrosine . PKa =-log ...

Q: (a) Identify the type of polymer given in the following figure. (i) (b) Elucidate the term polymeris...

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Q: Cu:O + c c Cu +co2 CO2 -> Cu = Cu = %3D C = C =

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Q: A 16 mL solution of 0.100 mol L-1 CH3COOH is titrated using 0.150 mol L-1 NaOH. What is the pH of t...

A: Here titrating a weak acid CH3COOH with a strong base , NaOH. You will produce a buffer solution bec...

Q: solution that is 0.150 M chloroacetic acid and 0.250 M sodium chloroacetate, after the addition of 0...

A: Answer p oh = 10.2

Q: 3/5 Gaseous butane (CH;(CH2),CH,) reacts with gaseous oxygen gas to produce gaseous carbon dioxide (...

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Q: Он CH, OH H,C CH ČH, a) b) H,C c) он

A: Given structures of alcohols are : These products were formed via a Grignard reaction. What are the...

Q: 41) A teenage child in Wisconsin throws a chunk of sodium metal into a lake consisting of freshwater...

A: Given: mass of sodium = atomic number of fluorine = 9 kg = 9000 g density of water = 1.01 g/mL heigh...

Q: Complete the following table for aqueous solutions of potassium hydroxide. Show complete solution. M...

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Q: Calculate the pH of a 7.51 M solution of HBRO. The K, of HBRO is 2.50 x 10. Express your answer usin...

A: Given data :  Initial concentration of HBrO = 7.51 M  Ka = 2.50 × 10-9   

Q: p+a |(V-nb)=nRT The van der Waals equation of state. R stands for the gas constant and n for moles o...

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Q: O A В D -bserved to be a mixture of solid, liquid ks the temperature and pressure? O E F G H O A В D...

A: Phase diagram is drawn between pressure and temperature, to identify the phases of substance at diff...

Q: What is the purpose of the Claisen adapter in the reflux setup? Select one: to prevent bumping of th...

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Q: 3. Describe the crystal structure of iron, which crystallizes with two equivalent metal atoms in a c...

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Q: 41) A teenage child in Wisconsin throws a chunk of sodium metal into a lake consisting of freshwater...

A: Given: mass of sodium = atomic number of fluorine = 9 kg = 9000 g density of water = 1.01 g/mL heigh...

Q: Calculate the standard energy change, A EU, for the reaction below. 12NH 3(g) +210 2(g) 8HNO 3 () + ...

A: Given that, a chemical reaction   We have to calculate the standard energy change of the reaction. ...

Q: Theoretical yield of chemical reactions Aqueous hydrobromic acid (HBr) reacts with solid sodium hydr...

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Q: Ammonia, an important source of fixed nitrogen that can be metabolized by plants, is produced using ...

A:     Recall the Haber's process in which nitrogen and hydrogen are combined -                        ...

Q: Carbon -14 has a half-life of 5.730 x 10 3 years.  If the original mass of the parent is 501.695 g, ...

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Q: For Problem no. 21-22 At elevated temperatures, dinitrogen pentoxide decomposes to nitrogen dioxide ...

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Q: Which structural feature of Tryptophan and Tyrosine allows to absorb UV light? Is Aromatic structure...

A: Since precise protein quantitation is vital for all examinations connected with protein studies, var...

Q: NO 2 NO2 H N.

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Q: What advantages and disadvantages does water have as a recrystallization solvent?

A: Recrystallization is used to purify chemicals by dissolving both impurities and a compound is dissol...

Q: For the molecule below, predict both the molecular shape and bond angle around the central atom. SeS...

A:                               Answer  Predict both the molecular shape and bond angle around in the ...

Q: EXAMPLE 2 FOR THE D STATE OF THE ELECTRON CALCULATE THE 5/2 POSSIBLE VALUES OF J AND THE DIFFRENT Po...

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Q: Calculate the pH of a solution with a hydrogen ion concentration of 4.5×10 M. a. Is this solution an...

A: pH = -log[H+]  [H+] = 10-pH