Q: Calculate the number of hydronium ions in 42.40 mL of an aqueous solution with a pH of 6.82. number ...
A:
Q: 5 how to prepare of sodium ascorbate using ascorbic acid and sodium hydroxide (NaOH)?
A: Ascorbic acid = HC6H7O6 Sodium hydroxide = NaOH Sodium ascorbate = NaC6H7O6
Q: An aqueous solution at 25 °C is 14.4% HNO, by mass and has a density of 1.054 g/mL. What is the pH o...
A:
Q: Answer the questions about selenium hexachloride, SeCl6, a molecule with an expanded octet. There a...
A: Answer is given below
Q: If 500mL of 0.1F lead altrate solution is added to 1L of 0.25F potossium lodate, calculate : a. numb...
A: Note: As per company policy we are supposed to attempt first question only.
Q: Draw the Skeletal Formula of the following compounds. The parent chain should be drawn in STRAIGHT h...
A: Skeletal formula include the structure of the compound from the given IUPAC name.
Q: What is the weaker acid, NH3 (ammonia) or [NH4]Cl (ammonium chloride)?
A: between NH3 (ammonia) and [NH4]Cl (ammonium chloride), ammonia is a base and ammonium chloride is i...
Q: 1. Using the compound CaCO3, what is the molar mass, and how many moles are present in 1.00 kilogram...
A:
Q: Determine the pH at the point in the titration of 40.0 mL of 0.200 M H2NNH2 with 0.100 M HNO: after ...
A:
Q: make a buffer solution from of 45.0 mL of 0.500 M sodium acetate (NaCH3COO) and 5.0 mL of 0.500 M ac...
A: Volume of Sodium acetate =45mL Molarity of sodium acetate=0.500M Volume of acetic acid=5.0mL Molari...
Q: Hydrolysis of the compound B5H9 forms boric acid, H3BO3. Fusion of boric acid with sodium oxide form...
A:
Q: 2. Draw the structure of the disaccharide a -glycosyl(1-6)-galactose in the B anomeric form and circ...
A:
Q: (a) Write all the reactions and equations for an open carbonate system. (b) Derive the equations for...
A:
Q: Question 15 Find the number of significant figure in 0.0030010020 m O 3
A: Answer-15 Significant figure is "3"
Q: Two substances at different temperatures are brought together and allowed to reach thermal equilibri...
A: Answer: Below shown formula will be used to calculate heat gained or lost by the substances: Q=ms∆Th...
Q: From the Lewis structures of the species given, pick all of those in which the central atom obeys th...
A:
Q: James is climbing a mountain. Is the distance he travels to the top of the mountain a state function...
A: A question based chemical thermodynamics that is to be accomplished.
Q: 1. 2. H' H エ エ 3.
A: Note : As per our company guideline we can answer only three subparts. Kindly repost the question me...
Q: NorQuest Library MyQuest MyMail The atomic molar mass of some elements, Atomic molar mass of some el...
A: Molar mass of calcium nitrate is 164.10 g per mole
Q: In which direction will the following equilibrium shift when solid sodium chloride is added to an aq...
A: Answer: This question is based on the Le-chatalier's principle which suggests on changing any parame...
Q: Complete the autoionization reaction for water. autoionization of water: H,0 + H,0 =
A:
Q: Calculate the molar solubility for calcium phosphate Ca3(PO4)2. (Ksp is 2.0710-33) Answer:
A:
Q: CuS will be most soluble in Why though? pure water b. Basic solution а. c. Acidic solution d. Basic ...
A:
Q: draw the chemical structure of maillard reaction that is present in cooking ground pork.
A: Answer - Maillard reaction - The Maillard reaction is a chemical reaction between amino acids and r...
Q: Please answer both subparts. I will really upvote. Thanks
A:
Q: 1. Use the standard electrode potentials to calculate the cell potential and determine whether the r...
A: Since you've asked multiple questions with multiple sub-parts, we will solve first question (1,a and...
Q: Determine the pH at the equivalence (stoichiometric) point in the titration of 38.83 mL of 0.262 M (...
A:
Q: Given that B has pKb of 4.00, calculate the pH of 1.0 M BHCI. Express your answer with 2 places past...
A:
Q: Which is the stronger acid? FF :0: н-с-с-с-о-н нн a. FH :0: F-C-с-с-о-н H. b.
A: Fluorine withdraw electron pair of Sigma bond towards itself
Q: The specific heat capacities for several substances are shown in the table. Substance Specific Heat ...
A: Given :- Substance specific heat (J/g°C) Iron 0.45 Air ...
Q: Draw the product of the following compounds with the given image. 1. H2O, H+ 2. m-CPBA 3. cold di...
A: Hydration of alkene: Alkene gives hydration reactions in presence of an acid catalyst. The reaction ...
Q: 2. What mass of water can be heated from 0.00°C to 25.0°C with 90,000 J of energy?
A: 2) heat required q = m (g) × specific heat ( J / g k )× T (k) q = heat in joul m = mass in g C = s...
Q: What is the molarity of ZnCl2 that forms when 25.0 g of zinc completely reacts with CuCl2 according ...
A:
Q: Solid zinc is used in the last reaction to reduce the copper in the copper(II)sulfate solution to th...
A: Solid zinc is used in the last reaction to reduce the copper in the copper(II)sulfate solution to th...
Q: 63.0 mL of Ca(OH)2 solution was titrated with 21.5 mL of 0.467 MHNO3. Determine the molarity of the ...
A: Here given--- Volume of HNO3 (V1) = 21.5 mL Strength of HNO3 (S1) = 0.467 M Volume of Ca(OH)2 (V2) =...
Q: Calculate the concentration of sulfide ions in a solution that is 0.080M in hydrogen sulfide and con...
A: Here we have to determine concentration of sulfide ions in a solution that is 0.080M in H2S and cont...
Q: Iodination of Acetone (Experiment): https://youtu.be/KkpeiuelvTI 1. Why were the reagents equilibra...
A: 1. The reagents were equilibrated in water bath before mixing, to bring them all close to the same ...
Q: Given the following data, what is the bond length of C-C bonds in benzene? Single bond length: 154 p...
A:
Q: Five moles of H,0 are placed in a 2.00 L container and heated at 1 432°C. The K for the reaction 2H,...
A:
Q: Given that H2X has pKa1 = 7.30 and pKa2 = 10.60, calculate the pH of 0.25 M NaHX. Express your answe...
A:
Q: Na SOH SO-H NANO2 2-паphthol MW 144.17 HCI NH2 NO II NaOH p-sulfanilic acid MW 173.19 a diazonium sa...
A:
Q: 2. CH2=C=CH-CH2-CH2-CH=CH2 C= C-CH3 3. он OH OH 5. 1. 4.
A:
Q: In which of the solutions below Lead sulfate, PbSO4, be most soluble in? Justify your answer. a. pur...
A: The solubility of a compound can be identified based on the common ion factor, and Le chatelier prin...
Q: 3. If 7,500 J of energy is added to 1.43 kg of iron (originally at 25.0°C), what temperature will it...
A:
Q: Molar concentration of Fe(NO), Q.02m Molar concentration of NaSCN CN_Q.D01M Standard Solutions Blank...
A: Thus 1 mol of Fe(NO3)3 reacts with 1 mol of SCN- to form 1 mol of Fe(SCN)2+ Note: As per our company...
Q: 500.0 liters of a gas in a flexible-walled container are prepared at 700.0 mmHg and 200.0 °C. The ga...
A: Given, 500.0 liters of a gas at 700.0 mmHg and 200.0 °C. When the tank cools to 20.0 °C, the pres...
Q: Question 6 Which of the following statement is INCORRECT? Gravimetry and titrimetry are classical me...
A: Two questions based on tools in analytical chemistry that is to be accomplished.
Q: The element chlorine would be expected to form covalent bond(s) in order to obey the octet rule. Use...
A: The electronic configuration of H is 1s1.It means it has only one electron .so it will loose 1 elec...
Q: aqueous solution of HN3 when solid KN3 is added? Group of answer choices pOH increases. pOH decrease...
A: HN3(aq.) ---> H+(aq.) + N3-(aq.) If we add KN3 In the solution of HN3. Due to common ion N3- , eq...
Q: CH2CH,CH3 H2C-CH HC=CH
A: ->for naming of cyclic compound first of numbering the cyclic chain such that the substituent got...
Step by step
Solved in 2 steps with 2 images
- Write the General formula and Line Structure of the standard amino acids. A. Alkyl Glycine (Gly,G) Alanine (Ala,A) Valine (Val, V) Proline (Pro,P) Isoleucine (Ile,I) Leucine (Leu,L) B. Sulfur-containing Cysteine (Cys,C) Methionine (Met,M) C.Alcohols Serine (Ser,S) Threonine (Thr,T)Write the condensed structure of a compound that contains only carbon and hydrogen atoms and that has. please help with al partsIt’s skeletal NOT condensed. Thank you!
- 10. Which element has the electron configuration 1s² 2s²2p³? C. S d. Cl 11. How many hydrogen atoms are connected to the indicated carbon atom? a. O b. F a. one b. two c. three 12. Which of the following is the correct condensed structure for the following compound? H H H H H H H H-C C -C C -C C C -H HC H H Br H H H H a. CH₂C(CH3)₂CH₂CH₂(CH)BrC(CH3)2 b. CH3CH₂CH3CCH₂CH₂C(CH3)2CHBr c. (CH3)3CCH₂CH₂CH₂BrCHCH3CH3 d. four e. none H 2 d. CH3CH₂CH₂CCH₂CH₂CHBrCHCH₂CH3 e. (CH3)3CCH₂CH₂CHBRCH(CH3)22.1 Molecular Representations Which of the following represents a correct condensed structure for the Lewis structure shown below? H H HH H- -OH H. H. -H TH. O (CH3CH2)2CHCH2CH2OH O CH3CH2CHCH2CH3CH2CH2OH O (CH3)2CHCH,CH2OH O (CH3CH2)2CHCH;CH2CH2OH Save for Later ASUNG 96 6.Which of the following structure(s) is/are non polar? CH3 A. H3C-CH-CH2-CH2 В. НС-СН2-СН, —С—СH C. D. All of the above OA Structure A only OB.Structure B only OC Structure Conly O D.All three structures (A, B. C) are non polar
- a. b. О с. d. e. Which condensed structure matches this line structure? H. jul CH3CH₂C(CH3)2OCH₂CH(OH)CH3 CH3CH₂C(CH3)2OCH₂CH₂CH₂OH CH₂CH(CH3)CH(CH3)OCH₂CH(OH)CH3 CH3CH₂C(CH3)OCH₂CH(OH)CH3 CH3CH₂C(CH3)2OCH(OH)CH3Number of Molecule valence electrons Formal Charge Electron-Group Geometry Molecular Geometry Resonance HSO4 S: S: Select one . S: Select one .. Select one XeTe4 Хе: Xe: Select one ... Xe: Select one .. Select one PHO P: P: Select one ... P: Select one .. Select one ... v PCIO P: P: Select one ... P: Select one .. Select one ..17. Which of the following structures is different from the other three ? (1) (2) (3) А. (1) (4) В. (3) С. (4) Abu. D. (2)
- ( 12 A Ks.l.l? محمد Based on the following Lewis structure { 1 } {2 } { 3 } IN B :N Match each of the following with its correct answer The formal charge on the nitrogen (2) in structure (A) is Choose... The formal charge on the nitrogen (2) in structure (C) is Choose... v The formal charge on the nitrogen (1) in structure (C) is Choose... The formal charge on the nitrogen (1) in structure (A) is Choose.. The formal charge on the nitrogen (1) in structure (B) is Choose... IINumber of Molecule valence electrons Formal Charge Electron-Group Geometry Molecular Geometry Resonance COSe C: C: Select one ... C: Select one.. Select one .. SH412 S: S: Select one .. S: Select one .. Select one ... SeHĄBr2 Se: Se: Select one... Se: Select one ... Select one ... AtGeN Ge: Ge: Select one ... Ge: Select one ... Select one ... CIGEP Ge: Ge: Select one... Ge: Select one ... Select one ... V 10000Write all the possible resonance structure(s). Show the movement of electrons by drawing arrow(s). Indicate the formal charges and identify the most stable structure for the compound. ö: а. b. a.