Which functional group among those shown below is that of a carboxylic acid? :0: :0: tot tot :0: C- -c-ÖH -C- A C D O A

Q: 7. If 3.25 g of Mg(OH)2 can dissolve in 155 mL of water as it makes a saturated solutions, determine...

A: The mass of dissolved magnesium hydroxide is = 3.25 g The volume of the solution is = 155 mL The mol...

Q: What is the formula for ammonium chloride?

A: Ammonium is NH4+ Chloride is Cl-

Q: the questions by writing the correct letter of your answer. Explain your answer briefly in 1 or 2 se...

A: Given-> (d)-> bleach ,pH 12.5 - 13.5 (e) ->distilled water ,pH =7  

Q: A student determined that the mass of four pennies was 8.7 grams. Use this information to calculate ...

A: Given :-  No. of pennies in 8.7 g = 4  To calculate :-  No.of pennies in 2.5 pounds   

Q: plz answer both questions I'll

A: A solution was prepared by dissolving 0.02 moles of ethanoic acid (HOAc; pKa = 4.8) in water to give...

Q: What is the pH of a 0.10 M solution of ethylamine at 25º C? The pKb of ethylamine at 25º C is 3.25. ...

A: Ethylamine is a weak acid so it dissociates partially.

Q: Predict the products of the following reactions on dec-5-yne: (a) H2, Lindlar catalyst (b) 2 equiv B...

A: Lindlar catalyst convert alkyne into cis alkene.

Q: Question 50 2 pts For a solution prepared by dissolving 3.0 g of NaCl to make a 1-Laqueous solution,...

A:

Q: Consider a reaction in the gas phase. The equilibrium constant, K, is found to be independent of the...

A: We'll solve this problem by using the vant Hoff equation which gives the relation between equilibriu...

Q: Calculate A,G° for the following reaction at 298 K as written. 2 Agfs) + Sn* (aq) 2 Ag*(aq) + Sn2*(a...

A:

Q: 2. If 100. grams of liquid water at 100.°C and 200. grams of water at 20.0°C are mixed in an insulat...

A: Given data for Question-2 Hot Watermass: mhot=100 gTemp. : Thot=100 °CSp. Heat : S=4.18 J/g °C Cold ...

Q: A solution is prepared by dissolving 0.400 g of an unknown monoprotic acid in 50.0 mL of solution. ...

A:

Q: What is the mass (in kg) of a 1 cubic foot block of Copper? (units are intentionally in both systems

A: Density of substance is calculated by dividing the mass with volume.

Q: 1) Circle all asymmetric atoms in the following structures, and assign their absolute configurations...

A: Assymetric atoms or assymetric carbon atoms are those carbon which is attached to 4 different groups...

Q: A compound with the molecular formula C8H8O produces an IR spectrum with signals at 3063, 1686, and ...

A: Index of hydrogen deficiency (IHD) indicates the degree of unsaturation . It will help to identify t...

Q: 7. a) A solution was prepared by dissolving 0.02 moles ethanoic acid in water to give 1 L of solutio...

A: Given :-  a) Moles of ethanoic acid, CH3COOH = 0.02 mol  Volume of solution = 1 L  pH of ethanoic a...

Q: Why is it possible to use K2S instead of thioacetamide in precipitating the Group II and Group III c...

A: Thioacetamide is widely used in classical qualitative inorganic analysis as an in situ source for su...

Q: You need to make an aqueous solution of 0.244 M iron(II) iodide for an experiment in lab, using a 50...

A:

Q: Test for PO, ion If no I ion is present, to a new known test solution, you will add drops of 0.5 M N...

A: A straightforward subjective strategy to decide the presence of phosphate particles in an example is...

Q: An analytical chemist is titrating 59.5mL of a 0.8600M solution of aniline C6H5NH2 with a 0.07400M s...

A: Given data : Concentration of aniline = 0.86 M Volume of aniline = 59.5 mL Concentration of HNO3 = 0...

Q: Suppose you need a buffer with a pH of 4.9. Which conjugate acid-base pair should you use? O sodium ...

A: To find the appropriate buffer of given solution we need to find the buffer range of each conjugate ...

Q: Five different solutions were prepared in the laboratory. One was prepared by dissolving 7.1g of sod...

A: Answer: Given data- 7.1g of NaOH make 200 ml solution.

Q: Q11: Predict the wavelength of absorption for this structure. Show your work with drawings OR explai...

A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...

Q: How many moles of nitrogen gas are present in 635 liters of the gas when it is at STP?

A: Given -> Volume = 635 L At STP-> T = 273K Pressure = 1 atm    

Q: A) An aqueous solution has a hydrogen ion concentration of 1.0 x 10^-13 M. What is the hydroxide io...

A: For an aqueous solution, we know that the production of the concentration of the hydrogen ions and t...

Q: what characteristics of gases will result in higher values for the two van der waals coefficients

A: Please find your solution below : The constant a and b in van der waals equation are called van der ...

Q: Suppose you would prepare a standard solution. What laboratory glassware you must appropriately use ...

A: Preparing a solution of known concentration is the most common activity in any analytical lab. The m...

Q: In the test for ammonium (NH4+) ion, why should you take care that the litmus paper is not wet with ...

A:  ammonia gas can be detected by its pungent odour (it smells a lot like cat pee) and it will turn da...

Q: The concentration and absorbance data below were collected for compound X. A sample of compound X of...

A: The concentration and absorbance data below were collected for compound X. A sample of compound X of...

Q: 2 a and b

A: Since you have posted multiple questions, the answer for first question is given below. Kindly repos...

Q: How many grams of CaSO4(5) will dissolve in a 425 mL solution of 0.200 M Ca(NO3)2 ? (Ksp %3D 3.6х 10...

A:

Q: Five different solutions were prepared in the laboratory. One was prepared by dissolving 7.1g of sod...

A: Moles = Mass / Molar mass Molarity = Moles / Volume (L) Also, Initial concentration of solution = M1...

Q: How many grams of nickel(II) nitrate are needed to produce 35.7 g nickel(II) phosphate in the presen...

A: Given data, mass of nickel(II) phosphate = 35.7 g, molar mass of nickel(II) phosphate=366.02 g mol-1...

Q: C and D

A: We are given that on buring certain amount of biomass we obtain 52%(w/w) methane. This means that wh...

Q: 7-52 Predict the major products of acid-catalyzed dehydration of the following alcohols. CH3 (а) ОН ...

A: The acid catalyzed dehydration of the above alcohols are given below

Q: Why does incomplete combustion occur? Select one: poor supply of energy O a. O b. poor supply of car...

A: the incomplete combustion occurs due to the

Q: In a cationic exchange reaction, how many grams of K+ will replace 1 gram of Са?

A: In cationic exchange reaction, 2 moles of k+ will replace Ca2+ (because k has 1 positive charge and ...

Q: In a copper lamp used in Flame Atomic Absorption Spectroscipy, the copper metal inisde is the Cathod...

A:

Q: Explain why the 2,4-dinitrophenylhydrazone is colored and the semicarbazide is not. The reason shoul...

A: The colour of any compund depends on the various type of transition occuring in the compound due to ...

Q: One QN not allowed. Replace not allowed with one that is allowed? a) n =3; l =3; ml = +2 b) n=2; l=1...

A: Which quantum number is allowed ?

Q: Provide an appropriate response. 12) The IQ scores of adults are normally distributed with a mean of...

A: X~ Normal with mean 100 and std 15. P(85<X<125) =P( (85-100)/15 < (X-100)/15< (125-15)/1...

Q: 4. The density of ice is less than that of water, which is rare for a solid. Discuss some situations...

A: Please find your solution below : The molecules in ice are in a rigid tetrahedral structure which re...

Q: Write a balanced equation for the formation reaction of each of the following substances: a) K3PO4(s...

A: There are different coindition for production of compounds

Q: Q1. How many total kilocalories are in a meal containing 125 g of carbohydrates, 25 g of protein, an...

A:

Q: How many grams of lead sulfide are used to produce 126 grams of lead oxide

A: Given, mass of lead oxide = 126 grams Molar mass of lead oxide = 223.2 g/mol  

Q: Use the following information to answer this question. smoke CO2 + H,0 02 hydrocarbons What type of ...

A: The diagram shows that the hydrocarbons are heated in the presence of oxygen and give CO2 and H2O (s...

Q: 2 1 m= 1 kg R= 0.50 2 Cy = 0.5 kJ/kg K Process path (straight line) P 1 V =1 m3 P= 300 kPa V= 0.5 m3...

A:

Q: Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the appropria...

A:

Q: Use average bond energies to estimate the energy change (in kJ/mol) for the reaction (all bonds are ...

A:

Q: What should you do if you get a chemical on your skin? For the toolbar, press ALT+F10 (PC) or ALT+FN...

A: If the chemical drops coincidentally get on the skin the skin may burn if the chemical is in concent...