The transmittance of a solution is found to be 35.0%. What is the transmittance if the solution is diluted in half?

Q: Explain what happens when sugar reacts with Benedict reagent.

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Q: Use the listing of standard reduction potentials on page 10 to determine the E° for Ce**(aq) + 4e →…

A: We would use two half reactions to calculate E° for given reaction .

Q: Problem 1. Draw and name the products by hybrid orbitals from the below reaction. HCl

A: As per the rules only the first can be answered.

Q: 2. Write the Lewis diagram for the following ionic compounds formed between the elements given. a.…

A: Here we can draw the Lewis structure of the possible ionic compounds by observing the number of…

Q: Determine the number of moles of cesium in 50.0 g of cesium.

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Q: 2. A sample of neon gas at 760 torr has a volume of 5.0 L and a temperature of 17°C. What is the new…

A: 2.  Given :  Initial volume = 5.0 L  Initial temperature = 17°C  Final temperature = 47°C  Pressure…

Q: what is the molecular mass of nicotine c10h14n2

A: • We need to calculate the molecular mass of nicotine, C10H14N2

Q: What is common in the structures of carboxylic acids?

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Q: E K Br2, hv NBS, H2, Lindlar's cat hy H. 1. Na°, NH,(1) >L, M 2a. Os 2b. DMS B (Snl) C (Sn2)…

A: This roadmap involves many reactions. The reagents required in this roadmap are discussed in the…

Q: PCI3(g) + 1. What is the equilibrium constant, Kc for the reaction PCI5(g) Cl2(g) at 400K.…

A:

Q: Identify the functional groups in the following structure. H H N. CH3 НС C. CH НО H Ester

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Q: मुजठुन प्रूककोटेट व जेह्छकाइ नेणकोत (onpoand डे कa तेट किष्र कट निनणास जटवलेीनक्त- 2CHY(8)+ 2NH3cg)t…

A:

Q: What is the boiling point of a solution prepared by dissolving 124g of octasulfur (Sg. Molar mass =…

A: Weight of octasulfur=124g Molar mass=256.5 g/mol  Weight of CCl4=955g= 0.955 Kg Kb=5.05°C/m  Boiling…

Q: 14. What is the pathlength in centimeters when the molar absorptivity for a given absorbing species…

A: Given  Absorptivity = 1.32 ×103 mol-1 L cm-1  Absorbance = 0.493 Concentration= 0.000923 M l (length…

Q: (c) At 12 °C, 39.7 g of compound A are dissolved in 4 L of carbon disulphide and the osmotic…

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Q: Which is an oxidation half-reaction? Zn → Zn2+ + 2 e O 2 H2 + O2 –→ 2 H2O O 2 HCl + Ba(OH)2→ 2 H2O…

A:

Q: (CH2C12) are 101 mmHg and 235 mmHg, respectively. Assume th mixing CHCI3 and CH2C12 is ideal. i. If…

A: Given,  CHCl3 = A CH2Cl2 = B Now, Ps = PA°XA + PB°XB 140 = 101XA + 235(1-XA) 140= 101XA + 235 -…

Q: The heat of combustion of methane, CH4, is 50.1 kJ/g. How much heat would be generated if 1.00 mol…

A: Given, The heat of combustion of methane (CH4) = 50.1 kJ/g How much heat would be generated if 1.00…

Q: 4. Discuss, for both cations and anions, how atomic radius differs from the neutral atom. Explain…

A: Atomic structure

Q: A 0.945 M solution of a weak acid HA, is 4.50% ionized. What is the pH of the solution?

A:

Q: Br Br 1) E10 2) E1O7 OEt 3) он- 4) H30* 5) AT

A:

Q: D Question 16 Which of these atmospheric reactions leads to acid rain? OC•O Co, ON+3Hy 2 NH; O 0+…

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Q: Two phenylalanine residues are separated by 1.0 nm in a polypeptide. Calculate the dispersion…

A: Dispersion force is the force of attraction that exist between atoms or molecules that developed…

Q: Calculate the standard free-energy change for this reaction at 25 °C. A list of standard reduction…

A:

Q: Chemistry help asap!

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Q: (a) Draw a specific organic reaction for the hydration addition reaction of alkenes. (b) Also write…

A: The mechanism of hydration addition reaction of alkenes involves two steps: 1) Electrophilic…

Q: molecules of SO₃

A:

Q: Consider a galvanic cell created from the following redox reaction: 3Zn (s) + 2Au3+ (aq) → 3Zn2+…

A:

Q: Combustion is a chemical process in which a fuel combines with to release energy and form products.

A: Combustion is a chemical process in which the compound reacts with oxygen and gives heat in the form…

Q: How many moles are in a 331.839 g sample of an element with a molar mass of 178.68 g/ mole?

A:

Q: Calculate the basic dissociation constant for pyridine, C5H5N, if the acid dissociation constant for…

A: Given that, Ka =5.9×10-6  Kb= ?

Q: A 21 gram piece of metal at 125 oC is dropped into 87 grams of water at 17 oC. The water temperature…

A: Heat gain by water = heat lost by metal (-ve)

Q: 15-2 Using the Grignard reaction, carry out the following transformations. Any reagents (oganic or…

A: A. Phenyl magnesium bromide addition to cyclohexanone. B. Cyclohexyl bromide reaction with mg…

Q: 14. Given the following equations and AH° values given below, determine the heat of reaction at 298…

A: Given, a) 2H2(g) + O2(g) ➝ 2H2O(l)  ∆H° = -571.6 kJ b) N2O5(g) + H2O(l) ➝ 2HNO3(l) ∆H° = -73.7 kJ c)…

Q: Is it logical to conclude that compounds ending in -al are generally aldehyde and those compounds…

A: According to IUPAC nomenclature, aldehyde compound's name is end up with -al where ketone compound…

Q: is often interpreted as a measure of the disorder or randomness of a system. It is a representation…

A: Fill in the blank

Q: Predict the product from the following reaction.

A:

Q: 15. Given the following equations and H° values, determine the heat of reaction (kJ) at 298 K for…

A:

Q: The equation of the straight line determined from a least squares fit procedure for an experiment in…

A: Given: The equation of straight line is  R = 1.37 C + 0.029. Readout for the unknown = 0.481

Q: Write down structures of dipeptides produced upon condensation reaction between amino acids below.…

A: When dipeptide is given then number of peptide bond is 1... When tripeptide is given then number of…

Q: Solution of ethanol in water was found to be 35.9% ethanol by mass. What is the molarity and  mole…

A: Given- Mass of ethanol=46.07g/mol  d of ethanol=0.789 g/mL  Mass of water=18.02g/mol  d of…

Q: 3. What reagent or reagents are needed to complete the following transformations? If more than one…

A:

Q: Calculate the pH and pOH of an aqueous solution that is 0.75 % HCI, by mass, and has a density of…

A: Given :-  % by mass of HCl = 0.75%  density of solution = 1.04 g/mL  To calculate :-  pH and pOH for…

Q: The law of thermodynamics states that every spontaneous process moves towards greater entropy.…

A: First law:  energy can't be created or destroyed. Second law :  The entropy increases for any…

Q: For the reaction: CuS(s) + H2(g) = H2S(g) + Cu(s) Use the following data, to calculate Kp (at 798 K)…

A: Given reaction: CuS(s)+ H2(g) ⇌ H2S(g)+ Cu(s) We have to calculate the value of Kp for the reaction…

Q: Use the following equation to calculate the AH°xn-in Kj/mole for the combustion reaction of C3H15OH.…

A: Given: The combustion of C8H15OH.

Q: Why do we consider carboxylic acids as acids?

A:

Q: The heat of combustion of methane, CH4, is 50.1 kJ/g. How much heat would be generated if 1.00 mol…

A: First we would Calculate mass of methane and then use heat of combustion to calculate heat…

Q: ST6D.1 (pre-exponential factor) - Determine the pre-exponential factor [in 1/(M s)] for a reaction…

A: Given-> Activation energy (Ea) = 3.9 KJ/mole = 3900 J/mole Rate constant (K) = 6.75 /M.s T = 300…

Q: 4. What is the form of the total vibrational partition function for a polyatomic molecule

A: For an isolated molecule of n atoms, the number of vibrational modes (i.e. values of j) is 3n − 5…