1. Calculate the mass, in grams, of sodium hydroxide needed to prepare 500 mL of approximately 0.1 M solution.

Q: Identify the compound with an acetal functional group. II A) I Но В) II ОН IV C) II OH O D) IV 2:16 ...

A: functional group in which carbon is attached by single bonds to two ether oxygen and two carbons

Q: A volume of 500.0 mL of 0.160 M NaOH is added to 545 mL of 0.250 M weak acid (K, = 5.89 x 10-5). Wha...

A: The PH  of acidic buffer can be calculated as follows

Q: The equilibrium constant, Ka,for a monoprotic acid (benzoic acid) is 6.3 × 10–5. Which of the follow...

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Q: Determine the rate law and the value of k for the following reaction using the data provided. S20g2-...

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Q: Incorrect Separation Scheme HO. HO. Br ether, 5% NaHCO3 ether aq HO. Br 6M HC1 gravity filtration S ...

A: Here  the given separation scheme is incorrect . We have to identify the incorrect step in the separ...

Q: Predict the products of the following reaction. If no reaction will occur, use the NO REACTION butto...

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Q: How many moles of carbon dioxide could be produced if 10 moles of octane, C gH 18, are combined with...

A: Given No. of mole octane = 10 moles  No. of moles oxygen= 20 moles  find no. of moles CO2     

Q: 5. Discuss the Applications of Fuel cells?

A: Introduction :  Fuel cells can be defined as the an electrochemical cell which convert the chemical ...

Q: A supersaturated solution of CH3COO-Na+ will crystallize spontaneously. Predict the signs of AH,AS,A...

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Q: a. Write the two balanced half-reactions involved and identify each in terms of (1) site of oxidatio...

A: a.) Half reactions would be writer in terms of species undergoing oxidation and reduction.  Oxidatio...

Q: (14) Which of the following compounds would have the largest absorption in its UV-Vis spectrum? (a) ...

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Q: Which of the following statements is INCORRECT? H3PO4 is a stronger acid than H2PO4- HClO3 is a stro...

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Q: How many mg of active ingredient present in a 30g tube of a 0.05%w/w fluticasone ointment? are

A: Given :-  %w/w = 0.05%  Mass of tube = 30 g  To calculate :-  Mass of active ingredient (in mg) 

Q: Determine the pH of each of the following solutions. 0.115 MM HClO2 4.5×10−2 MM Sr(OH)2 8.58×10−2 MM...

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Q: Select all the compounds that exhibits a proton spectrum with only one signal.   Question 13 option...

A: The compounds that exhibit only one signal in proton NMR spectrum is given below

Q: CI Н. CH,CH, CH,

A: IUPAC name -  (S)-2-Chlorobutane

Q: How will you prepare a 0.1 L, 0.10 M buffer with pH of 6.7 if you have the following: sodium dihydr...

A: Buffer solution is resistant to pH changes on addition of small amount of acid or base. It is a mixt...

Q: What volume of water must be added to 14.4 mL of a pH 2.0 solution of HNO3 in order to change the pH...

A: Nitric acid is strong acid which undergoes complete dissociation in aqueous medium to form one equiv...

Q: 261.28 mL of 4.0°C water is heated until its temperature is 48.24°C. If the specific heat of water i...

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Q: An ideal gas is compressed isothermally from 2.00atm to 90.0atm. At 40°C, three moles reacted with e...

A: Given: An ideal gas is compressed isothermally from 2.00atm to 90.0atm. At 40°C, three moles reacted...

Q: Balance

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Q: Reaction Data Time (s) [ClO) (mol/L) 0.12 x 10-3 8.49 x 10-6 0.96 x 10- 7.10 x 10-6 2.24 x 10-3 5.79...

A: The data given is,  

Q: Consider the combustion of propane: C3 Hs (g) +502 (9) + 3CO2 (9) + 4H2O(1) AH = -2221 kJ A balloon ...

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Q: Identify which of the following compounds is most acidic. H-N IV Ov

A: The order of acidity of acid is same as the order of acidity of there conjugate base.  

Q: Give the IUPAC name for each of the following: || CH,CH,-0-C- CH,CH, a. b. CH,CH,CH, СН,— С-О-CH,CH,...

A: The given compounds are ester.   

Q: Experimental Procedure, Part F. A 1.0 mL volume of .010 M H2SO3 is added to a mixture of 6 drops of ...

A: We have find out rate of reaction.

Q: CH, NH, is a weak base (K, = 5.0 × 10-4), so the salt CH, NH,NO, acts as a weak acid. What is the pH...

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Q: 2ClO(g) ----> Cl2(g) + O2(g) Explain how you know that this is a very fast reaction.

A: The more often molecules collide with each other, the faster the reaction proceeds. The energy of co...

Q: Phosgene is a chemical warfare agent first used on soldiers in World War I. It is synthesized accord...

A: Given reaction: CO(g) + Cl2(g) ⇌ COCl2(g) Given, Kc = 0.281 We have to write the expression of Kc an...

Q: Liquid octane (CH3(CH2),CH;) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (...

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Q: 4 Draw the structures of the missing substances in each of the follov CH3-CH2-CH2-NH2 H20 a b. NH CH...

A: Detail solution is given below

Q: Which of the following functional group can be predicted with the IR spectrum shown?               ...

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Q: For the successful synthesis of triphenylmethanol , 0.05 moles of methyl benzoate would require mole...

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Q: reactants reactants oxidized reduced

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.68 kg sample ...

A: The mass of the substance is = 1.68 kg The increase in the temperature of the substance is = (24.8-2...

Q: In the mass spectral analysis of the product from the synthesis of 1-bromobutane from 1-butanol, wha...

A: We have to predict the ratio of abundance for two peaks   

Q: n which one of the following solutions will acetic acid have the greatest percent ionizatic a. 0.1 M...

A: Correct option is A 

Q: For the hydroxyl rotation of vinyl alcohol, which conformation (1 or 2) would be more stable and why...

A: A question based on atomic structure that is to be accomplished.

Q: A certain weak base B has a base-ionization constant Kb of 5.9 × 10–4 at 25°C. If strong acid is add...

A: Ionisation constant Kb of base B=5.9×10-4  

Q: Choose the best substrate for a substitution reaction. O Alkyl iodide O Alkyl bromide O Alkyl fluori...

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Q: 3Al(s) + 3NH4 CIO,(8) → Al, 0, (s) + AICI3 (s) + 3NO(g) + 6H2O(g) Calculate AHO for this reaction. S...

A: Given : We have to calculate the enthalpy change for the reaction.

Q: Draw the complete reaction, including the mechanism of the Acrolein Test. In what specific condition...

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Q: Which of the following most likely has the highest Ka? O H20 O HCI O HF O CH3COOH

A: The strength of an acid can be defined by the acid dissociation constant, Ka. The acid with higher K...

Q: If the decomposition of (NH4)2(CO3) is a first-order process with a rate constant of 0.129 s-1, how ...

A: Given- Rate constant =0.129s-1 Concentration= 0.957M t=16.4s

Q: Assume 1,3,5 -hexatriene to be a linear molecule and model the pi electrons as particles in a one-di...

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Q: In the following situation explain its validity. Mr. Soon Shiong decides to show the class a chemica...

A: Given: Mr. Soon Shiong decides to show the class a chemical reaction by taking 500g of a white powde...

Q: The neutralization of an acid with a base yields a salt and usually water in aqueous solution. Calcu...

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Q: You are on a new planet and discover a substance, X2O that undergoes autoionization just like water ...

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Q: What is the valence bond description for H2O, HNNH, and ClF3?

A: Valence bond description : it gives idea about sigma bonds, π bonds, l.p. for central atoms.   

Q: 23. Nitrosyl chloride, NOCI, decomposes to NO and Cl2. 2NOCI(g) 2NO(8) + Cl2(g) Determine the rate l...

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