Q: (7. Draw the resonance structure/s for the compound below.
A:
Q: Provide the IUPAC name for the condensed structural formula shown here. CH₂ CH₂ CH3 CH g CH₂ H3C H₂C…
A:
Q: Question 29 of 48 Provide the molecular formula for the skeletal drawing shown below. A) CH,NO B)…
A: The molecular formula of the given skeletal drawing is
Q: Select 3 correct answer(s) SO ₂ 02 Ba3(PO4)2 Ca S8 ī
A: Elements are made up of same types of atoms.
Q: SO₂(g) + Cl₂(g) = SO₂Cl₂(g) AH = -264 kJ K = 34.5 When the reaction is altered, as below, what is…
A: Energy released per unit mole will remain the same but ∆H° overall will be alerted when…
Q: 6 6 7 6 4 6 In the first reaction of the Krebs cycle, citrate (CHO) turns into aconitate (CH₂O)…
A:
Q: 13. The molar conductivity of 0.0300 M HF (aq) is 4.10 mS m² mol. Determine the acidity constant,…
A:
Q: Calculate the enthalpy change for the following reaction: 2C(s) + H2(g) → C2H2(g) ΔH° = ??? kJ…
A:
Q: -CEN compounds? Circle the compound that exhibits this absorption. -CECH What IR absorptions would…
A:
Q: Ampicillin How was it made using a new synthetic approach? What was the scale of production?
A: Ampicillin is penicillin with a 2-amino-2-phenylacetamido group substituent at position 6 of the…
Q: What mass of NaHCO (84.0 g/mol) is needed to prepare 500.00 mL of 0.050 M Na solution? 1. 05.04 g 2.…
A: Given that - Molarity of the Solution of sodium = 0.050 M One sodium given by one Molecule of…
Q: Determine the chemical formula of a binary compound. A 13.30 gram sample of manganese is heated in…
A:
Q: correctly listed in order of increasing basicity. (Least Basic Most Basic)
A:
Q: The following data were obtained from a study of the decomposition of a sample of HI on the surface…
A:
Q: Among the butane conformers, which occur at energy maxima on a graph of potential energy versus…
A:
Q: An aqueous solution of KCI (molar mass 74.5 g/mol) has a concentration of 1.85 m. If this solution…
A:
Q: You have a standard stock 1.65 M solution of NaH2PO4. For an experiment you require 236 mL of a 0.82…
A: Given that - Molarity of the stock NaH2PO4 Solution = 1.65 M Molarity of diluted NaH2PO4 solution…
Q: Swer sections C, D and E in the same answer book. ction D (Chromatography) The following data were…
A: N = 1757.286 K' = 9.285 RS = 1.578
Q: True or false. According to the collision theory, product formation is only possible if the…
A: There are following postulates of collision theory - (1) All reacting Molecules considered as a…
Q: An aqueous solution of KCI (molar mass 74.5 g/mol) has a concentration of 1.85 m. If this solution…
A:
Q: A 355 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of…
A:
Q: Question 28 Natural water sources can become polluted with toxic metal ions such as Hg as part of…
A: The above question based on the removal toxic of Heavy metal ions from water by precipitation…
Q: 4. In the following, indicate the most acidic H in each molecule and then circle the molecule is the…
A: In ARIO principle- A stands for Size and electro negativity of at R is for resonance I is for…
Q: Use of ethyl formate in a cross-Claisen reaction combination with ethyl propionate will produce. CHO…
A: -> In crossed Claisen condensation the enolate of one ester reacting as a nucleophile with a…
Q: Ammonium ion reacts slowly with nitrite ion: NH4+ (aq) + NO2-(aq)-> N2(g) + 2H2O(1) Rate data for…
A: Recall the given reaction, NH4+ aq + NO2- aq →N2 g + 2 H2O lWe have to…
Q: Consider the redox equation. HI + HNO3 → H₂O + HIO3 + NO2 1. The atom that lost electron/s is…
A: Oxidation- loss of electron, decrease in oxidation number, removal of hydrogen and addition of…
Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…
A: The ideal gas equation shows the relation between pressure, volume, temperature and no of moles of…
Q: Choose the possible the product of the following reaction? о де OH ОН ОН дава во све ОН OH II OH Е…
A: Salicylic acid reacts with acetic anhydride to give acetylsalicylic acid, which is commonly known…
Q: thermometer A sample of quartz, which has a specific heat capacity of 0.730 J-g¹-C¹, is put into a…
A:
Q: H₂(g) + CO₂(g) = CO(g) + H₂O(g) K = 0.137 @ 823 K: X = 0.78 PH₂ = 0.50 atm Pco₂ = 0.75 atm Pco = 1.0…
A: Here we have to determine the equilibrium pressure of components in the following given equilibrium…
Q: A- Calculate the equivalent weight and normality of H,PO, for a solution of 6 M H,PO, given the…
A: We have to find normality and molarity.
Q: The molecule shown here is classified as what type of organic compound?
A:
Q: 2NO(g) + 2H₂(g) = N₂(g) + 2H₂O(g) The system initially contained 0.2500 M NO, 0.1300 M H2, and…
A:
Q: Ammonium phosphate ((NH4),PO4) is an important ingredient in many fertilizers. It can be made by…
A:
Q: 2NOBr(g) = 2NO(g) + Br₂(g) Kp = 0.416 The current pressures for the system are given below. What is…
A: Given-> 2NOBr(g) <----> 2NO(g) + Br2(g) Kp= 0.416 PNOBr = 0.4488 atm PNO= 0.5514atm PBr2…
Q: What are two other natural products that are present in coffee? Inc ALF40 4
A: Compounds are chemical substances that constitute two or more elements bound together chemically in…
Q: According to quantum mechanics, the most stable form of an atom is in the O intermediate state…
A: We have to find the most stable form an atom. First we should know about- Intermediate state- in…
Q: 103 kJ + 2HBr(g) = H₂(g) + Br₂(g) A system at equilibrium contains the following pressures of gases.…
A:
Q: 28) Calculate the moles of magnesium oxide reacted and the H (in kJ per mole of MgO reacted) for the…
A:
Q: BA ZA 4A 5A 6A 7A He BCN0 F Ne Si P S Cl Ar Ge As Se Br Kr Sb Te I Xe Bi Po At Rn H2A Be No Mg 38 48…
A:
Q: 1. Draw the Fischer projection for a) D-Glucose and b) D-Galactose and their corresponding…
A: 1.Enantiomers are compounds that are non super imposable mirror images of each other.
Q: Write temperature difference in terms of heat capacity and heat energy* a. ∆T=Q/C b.∆T=QC c.∆T=C/Q…
A: Heat capacity of a substance is defined as the amount of heat energy required to increase the…
Q: Is it possible to have a reaction in which oxidation occurs and the reduction does not? Explain
A: Oxidation is loss of electron, addition of oxygen and removal of hydrogen. Reduction is addition of…
Q: For a gas sample whose total pressure is 720 torr, what are the partial pressures if the gas present…
A:
Q: of measurements below, which measurement is greater? 1.25 atm or 105.325 kPa Question 15…
A:
Q: What is overpotential
A: The overpotential can be defined as follows
Q: Provide the correct IUPAC name for the skeletal (line-bond) structure shown here.
A: IUPAC nomenclature rules for alkanes: Identify the longest continuous carbon chain. Identify the…
Q: A 2.02 g sample of aluminum reacts with excess of HCl(aq), and the liberated hydrogen gas is…
A: Given, 2Al(s) + 6 HCl(aq) -------> 2 AlCl3(aq) + 3 H2 (g) The mass of Al = 2.02 g. At…
Q: 1. Predict the products or the reaction of (i) phenylacetaldehyde and (ii) acetophenone with the…
A: Organic reactions are those in which organic reactant react to form organic products.
Q: insulated container A sample of polystyrene, which has a specific heat capacity of 1.880 J-g ¹.C¹,…
A: Heat lost by polystyrene will be equal to heat gained by water. Equation for heat energy ( q ) is,…
Step by step
Solved in 2 steps
- 5. A 25.00-mL portion of a H₂SO4 solution was titrated with a 0.256 M KOH solution. To reach the equivalence point required 31.2 mL of the base. a) Write a chemical equation for the titration. (pai) sling (usindost to ofgez low bocistdo 028 and daw ba b) What was the molarity of the sulfuric acid solution? ods anw red 02),A 1,004 v 20.20 alde tximo Tol ment bonisado od vlasnoor (ans: 0.160 M)Q3: Calculate the molarity of Hydrofluoric acid in a titration of Hydrofluoric acid against Sodium hydroxide as shown in figure below? -utel Hading (17 ml. of HF) Buretie Clamp hurette -Fnat Roading (4 ml. of HF) Analyte (unknown concentration) (HF acid) Stand Indicator (pink) Titrant (known concentration) (N3OH 26 ml & 0.3 M)What is the percentage of total acid expressed as acetic acid in a sample of vinegar if 4.0g of vinegar requires 29.5ml of 0.153N KOH for an endpoint with phenolphthalein indicator? (molar mass of acetic acid: HC2H3O2 = 60.05g/mol a. 3.995% b. 6.776% c. 8.650% d. 12.68%
- 2) 150.0 mL of a nitric acid (HNO3) solution is titrated to its bromothymol blue endpoint with 48.33 mL of a 1.117 M KOH solution. What is the concentration of the nitric acid solution? HNO3-7MKOHCalculate the grams of Acetic Acid ( M. W. 60.05g/ mole) in a unknown sample. A sample of Acetic Acid was titrated to the end point using 23.76M NaOH solution. The initial buret reading was 0.6559mL and the final reading was 0.02435mL.3.) In the assay of NaHCO3, 3.0g of the solid is dissolved in 25mL water. What is the normality? How many mL of 1N H2SO4 will be required to neutralize this solution? From this volume of acid, compute the percent purity of NaHCO3.
- (6) 0.8203 g NaAc (FW=82.03 g/mol) was fully dissolved into 100.00 mL of 0.050 M HAc solution. Calculate th pH of the soolution.0.004343 moles of acetic acid were obtained from titration of an 10.00 mL sample of vinager. Approximateky what percent of this vunager samole is acetic acid.A solution contains KHCO3, K2CO3 and KOH either alone or in permissible combination. A 50.0 mL aliquot requires 25.0 mL of 0.100 M HCI to reach the phenolphthalein end point. Another 50.0 mL aliquot requires 45.0 mL of the same acid to reach the bromocresol green end point. Which of the following statements BEST describes the composition of the sample solution? O The solution contains more KOH than K2CO3. O The solution contains K2CO3 only. O The solution contains more KHCO3 than K2CO3. O The solution contains a mixture of KHCO3 and KOH. O The solution contains KOH only. O The solution contains more K2CO3 than KOH.
- Question 5 (1 point) 4) Listen It is necessary to carry out the titration of NaOH with KHP in the presence of carbon dioxide. A) True O B) False Question 6 (1 point) Listen The heat (or enthalpy) of neutralization (AH) is the heat evolved when a weak acid and a strong acıd react to form a salt plus water. OA) True B) Falseml?ClassID=1471954077 44.00 mL of 0.50 M H2SO4 reacts with 0.35 M LIOH and reaches the endpoint using bromthymol blue as an indicator. What volume of LIOH is required for this reaction? 2LIOH + H2SO4 → LI¿SO4 + 2H2O [?] mL LIOH mL LIOH Enter(t) Sodium hypochlorite, NaOCI, is the active ingredient in household bleach. What is the concentration of hypochloríte ion if 20. requires 28.30 mL of 0.500 M HCI to reach the equivalence point? O 1.21 M QUESTION 3 0.708 M 0.208 M 0.353 M Click Save and Submit to save and submit. Click Save All Answers to save all answers. mL of bleach MacBook Air 02 Save F4 F5 %24 4. DD F7 7. 00