Which ion has the largest ionic radius? Na+1   Mg+2   Al+3   S-2   Cl-1       Na+1     Mg+2     Al+3     S-2     Cl-1

Q: At what temperature does sulfur hexafluoride have a density of 0.6250 g/L at 0.8210 atm?

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Q: The heat of vaporization of ammonia is 21.7 kJ mol-¹ and the boiling point of ammonia is -33.3 °C.…

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Q: The pressure of a gas sample at 57.0 °C is decreased from 3.40 atm to 2.60 atm by cooling at a…

A: Formula: P1V1T2 = P2V2T1 At constant volume: V1 = V2 So, the above equation will become: P1T2 = P2T1

Q: Write the balanced COMPLETE ionic equation for the reaction when KCl and Na₃PO₄ are mixed in aqueous…

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Q: a) Propose an efficient multi-step synthesis of the epoxide below: OH b) Draw the complete mechanism…

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Q: Explain which has more intermolecular hydrogen bonding, ice or water.

A: The ice has more intermolecular Hydrogen as the hydrogen bond is the bond which is formed between…

Q: Calculate AG for the reaction given below if the partial pressure of NO₂ is 0.220 atm and the…

A: This is simple problem of chemical equilibrium where we have to determine if the reaction is in…

Q: What is the classification for a monosaccharide with three carbon atoms and a carbonyl group on the…

A: Correct answer - Trioses

Q: what would the pH of 0.250L of a buffer that is 0.0200M boric acid H3BO3 and 0.250M sodium borate?…

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Q: Propose an efficient synthesis for the following transformation: OH OH The transformation above can…

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Q: Determine [OH-] in a solution where [Ba(OH)2] = 0.0249 M.

A: Strong Base - A base which completely dissociates into it's ions in aqueous solution called strong…

Q: CaO(s) + 2HCI(g) → CaCl₂(s) + H₂O(l) AS⁰ = C₂H4(g) + H₂(g) →C₂H6(g) AS⁰ = J/K J/K

A: Using the provided standard entropy values of some substance, we can determine the entropy of…

Q: pSCN- is determined potentiometrically using S.C.E. and Ag electrodes. Calculate pSCN- when the cell…

A: Given: pSCN- is determined potentiometrically using the cell consisting of a saturated calomel…

Q: Give the functional group of oxygen in acetic acid(CH3COOH)

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Q: Calculate the root-mean-square velocity, in m/s, for a nitrogen molecule at 11.7 °C. The universal…

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Q: Assume all reactions in a linear multistep synthesis have a 90% yield. In this linear multistep…

A: In a multi step synthesis the yield of overall reaction is just  simple multiplication of yield of…

Q: Which of the following terms are mismatched (false). 1.) Electrons are lost in oxidation reactions…

A: we need to look at the definitions of oxidation and reduction to identify the mismatched terms.

Q: How many grams of sodium acetate must be added to 2.00L of 0.105M acetic acid to make a buffer that…

A: pH of buffer solution is calculated by using Henderson Hesselbalch equation

Q: For the data set, calculate the mean, standard deviation, nd variance. mean: standard deviation:…

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Q: ??? OH Hint: can be accomplished in 3 steps.

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Q: Consider the following hypothetical unbalanced equation: J2 + D --> D2J5 What is the theoretical…

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Q: 2. A 0.6447-g portion of manganese dioxide was added to an acidic solution in which 1.1402 g of a…

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Q: Topic: Reaction Kinetics A solution that when prepared has a shelf-life of 10 hr is kept for 13 hr.…

A: To find out the dose given after 13hr, we need to use the integrated formula of first order reaction…

Q: Toluene was often used as a paint remover in the past. A 4 L metal container of toluene at 30°C was…

A: Given: Initially the volume of container is 4 L and it contains 2.4 L of toluene. Total Vapor…

Q: Explain the importance of solubility in drug product formulation?

A: Solution is made up of two components: solute and solvent. The component which is present in major…

Q: 11. From each of the following pairs choose the compound or ion that is best described by the…

A: Boiling point depends upon molecular mass and extent of hydrogen bonding. Basic strength depends…

Q: Which disaccharide is formed from glucose and fructose? 1 A

A: Answer - Sucrose

Q: Unfortunately, you ran out of time and were unable to carry out the gravimetry. Your demonstrators…

A: We first determine the percent of iodine. And convert all the elemental percentages to moles. And…

Q: Questions 5 & 6 both use the chemical reaction below: Cr3+ (aq) + SCN (aq) CrSCN²+ (aq) Solutions of…

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Q: An unknown gas effuses at a rate 1.50 times the rate of COCl₂. What is the molar mass of the unknown…

A: To solve this problem we will use the concept of Graham’s Law .

Q: Br₂ CH3OH 1) Вн 2) OH: H2O 202 OCH3 OEt

A: We have given the organic reaction and we have to find the Missing reactant or product.

Q: what is the molarity of a solution that results from dissolving 5.4 g of a compound with FW 169.51…

A: Molarity: The number of moles of a solute present in one liter of solution is known as the molarity…

Q: 6. Draw the structures for each of the following IUPAC names. A) Ethyl formate B) Methyl Benzoate D)…

A: We first draw main chain then draw branches and other substituents.

Q: Sodium fluoride, NaF, is added to many municipal water supplies to reduce tooth decay.  Calculate…

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Q: What is the pressure in a 7.00 L tank with 1.24 grams of hydrogen gas at 375 K?

A: Given that Volume (V) = 7.0L Temperature (T) = 375K No. of moles = weight/molecular weight = 1.24/2…

Q: What if the pressure was 780mmHg

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Q: 16. Perform all of the following calculations. a) To simulate blood conditions, a phosphate buffer…

A: The phosphate buffer system consists of two components Na2HPO4 and NaH2PO4. The dissociations of…

Q: Using two equivalents of 1-bromobutane, propose a synthesis to make 4-octanone. Specify the reagents…

A: Answer: 1-bromobutane firstly react with NaOH and  undergoes Nucleophilic substitution reaction, SN2…

Q: Predict the product(s) and provide a full arrow-pushing mechanism for the reaction of…

A: The given reactants are 4-methyl-1-hexyne and 2 equivalents of hydrobromic acid.  The product of…

Q: Elements in the same row of the periodic table exhibit similar chemical properties. True False

A: In the periodic table, the elements are arranged according to their atomic number (electronic…

Q: You have 2.00 L of a solution containing Au*. In order to recover most of the gold(I) as an…

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Q: CH₂C=CH 1. NaNha Nha 2. (CH₂)₂CHCH₂CH₂Br

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Q: 3. Given the data: 2 Cu(s) + S(s) → Cu₂S (s) AH = -79.5 kJ S (s) + O₂(g) → SO₂ (g) AH=-297 kJ Cu₂S…

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Q: Q3. Consider the ring closing metathesis (RCM) sequence used for the synthesis of macrocycle E and…

A: We have to convert the ester F into E. Also, we have to give the synthesis of F from G and H.

Q: Propose the synthesis below 8) HO jud

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Q: Solids have a greater strength of attraction between its molecules than liquids True False

A: This is a basic question from states of matter. As we know, solids and liquids are two states of…

Q: At 25.0° C, a 10.00 L vessel is filled with 5.25 moles of Gas A and 4.40 moles of Gas B. What is the…

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Q: Complete the following reaction by providing missing reactants or products as appropriate. (See…

A: Terminal alkyne gives a hydration reaction in the presence of mercuric sulfate and sulfuric acid to…

Q: Why chemical safety is important to know of student?

A: The question is, why chemical safety is important to know of student. We have to explain what is…

Q: hat is the integrated rate law for a first-order reaction?

A: In first order kinetics reaction rate is depend upon only one reactant