Question 1: Fill in the place holders with the suitable number: Number 1 2 3 4 5 Conductance. split into ions. Voltmeter. Resistivity. Higher concentration. Number Ω m Molar conductivity at infinite dilution. potential difference. Electrolyte. electric current.
Q: Draw an equivalent resonance structure that minimizes charge. Include all lone pairs in your…
A: Resonance structure: If the Lewis structure of a molecule or ion cannot explain by a single…
Q: VSEPR Shape Name VSEPR Shape 3-D Drawing Bond Angles Number of sigma bonds Number of pi bonds…
A: The VSEPR theory stands for valence-shell electron-pair repulsion theory and it is used to predict…
Q: What is the mass of 15.16 moles of X? (Assume that the molar mass of X is 39.3 grams per mole.)…
A: Moles: Miles is unit of measurement of substance. It is calculated as the mass of substance…
Q: Molecule valence electrons NBRO NFO херод XeTea Formal Charge N: N: Xe: Xe: Electron-Group Geometry…
A:
Q: Identify each reactant as an acid or a base, then draw the products that result from the provided…
A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…
Q: 19. Sodium Hydroxide, when mixed with hydrochloric acid, will produce Sodium Chloride and Water. a)…
A: In balanced chemical reactions number of atoms of each species are equal on both reactant and…
Q: 7. If a 50.0 L tank contains 60g He gas and 85.6g CO2 gas at 135 °C calculate the total pressure of…
A: Given: The volume of the tank = 50.0 L The mass of He gas = 60 g The mass of CO2 gas = 85.6 g…
Q: 19. Which compound will elute last in a silica-filled column: 4-Hydroxynitrobenzene or 2-…
A: Distance between the dipoles increases, dipole moment increases that is polarity increases. More…
Q: 5. A. Draw the Lewis structure for CIO, that meets the octet rule. Calculate the formal charge on…
A:
Q: LTIPLE CHOICE uestion 19 hich statement describes a double replacement reaction? A Ethanol burns in…
A: double displacement reaction is type of chemical reaction in which the reactant ions exchange…
Q: F F II H-C-C-H FH nitromethane hydrogen cyanide 1,1,2-trifluroethane Η Ο H-C-N-O H-C=N I H 00…
A: Hydrogen-bonding: It is shown in those molecules in which H-atom is directly bonded to highly…
Q: Identify the reagent(s) you could use to accomplish the following transformation. Select all that…
A: The given reaction is an example of substitution reaction in which one functional group is replaced…
Q: 1. A a it liquid compound (A) which has boil a boiling Point of 250°C contains a small amount of…
A: Since you have posted multiple questions, we will provide the solution only to the first question as…
Q: ONa + OH O Keq = conjugate acid conjugate base
A: Answer : The Bronsted-Lowry hypothesis defines acids and bases as proton (H+) donors and bases as…
Q: 1. 150g of ice is mixed with 500g of water having a initial temperature of 40°C. The final…
A:
Q: Draw the mechanism for a hydration reaction using oxymercuration.
A: Organic reactions are those in which organic reactant react to form organic products. In the given…
Q: ((NH,), CO) must be added to 357 g of water to give a solution with a vapor pressure 2.87 mmHg less…
A: given mass of water = 357 g lower in vapour pressure ( Po - P) = 2.87 mm hg Vapour pressure of water…
Q: Give the structure corresponding to each of the following names. a. trans-2-ethynylcyclopentanol b.…
A: The names of the organic compounds given are a. trans-2-ethynylcyclopentanol b.…
Q: The NMR spectra for compound 1 were acquired in a 10 mg / 0.6 mL solution of CDCl3. The 1H and 13C…
A: To provide the analysis of the NMR spectrum of the following compound.
Q: Which of these reagents would work? (Select all that apply). 1. HBr 2. NaCN 1. SOCI₂, pyridine 2.…
A: Given a conversion from CH3CH2OH to CH3CH2CN. We have to write the corrects reagents.
Q: In a flask, there are two gases (gas 1 and gas 2). There is 2.34 L of gas 1, with 3.2 bars of…
A: Given a flask contains gas 1 and gas 2 2.34 L of gas 1. Partial pressure of gas 1 = 3.2 bars 6.19 L…
Q: The reaction, A → products, is known to be first order with respect to the concentration of A and…
A:
Q: Section 13.3 IUPAC Nomenclature for Alkenes and Cycloalkenes Practice Exercise Assign IUPAC names to…
A: IUPAC nomenclature is used for naming the organic compound as recommended by international union of…
Q: 28. C3H8+ O₂ →→ CO₂ + H₂O How many moles of oxygen are required to react with a) 3.0 mol of propane…
A: A balanced chemical equation contain equal number of atoms of each elements on both sides of the…
Q: How many moles are present in 20.29 grams of X? (Assume that the molar mass of X is 32.95 grams per…
A: Mass of X = 20.29 g Molar mass of X = 32.95 g/mol To determine number of moles present of X
Q: 4) Based on the MO diagram for oxygen 0₂, which compound would have a higher bond Why? order 0₂²+ or…
A: Molecular configuration of a molecule is the permanent geometry that results from the spatial…
Q: Name the possible alkenes which will yield 1-chloro-1-methylcyclohexane on their reaction with HCl.…
A: Well, we have to keep the skeleton as it is, which is basically the mehtylcylohexane. And then we…
Q: A jar of crunchy peanut butter contains 1.30 kg of peanut butter. If you use 8.2 % of the peanut…
A:
Q: Annie performed an experiment in her kitchen. She poured 2 cups of water in a large glass. She added…
A: Alka-Seltzer is a combination medication containing citric acid, aspirin, and sodium bicarbonate.
Q: For the reaction 2NO + Cl2 ---> 2NOCl Match the appropriate rate law to each postulated…
A: •Given:- For the reaction 2NO + Cl2 ---> 2NOCl Match the appropriate rate law to each…
Q: Draw the organic product of the Lewis acid-base reaction shown below. Include all lone pairs and…
A: Given A chemical of ketone with NaBH4
Q: 113 Which of the following atomic symbols represents an isotope of ¹¹³Cd? 112 Ag O In O O 114cd 113…
A: Isotopes are the atoms of same element with same atomic number but different mass number. Example:…
Q: What is the value of 0 for the first diffraction line (n = 1) in bcc niobium (atomic radius 198 pm)…
A:
Q: Question III: Complete the following reactions and provide a stepwise mechanism ( A) HO ¹/2 NaHCO.…
A:
Q: Draw the expected products for this reaction
A: Organic reactions are those in which organic reactant react to form organic products. In the given…
Q: Draw the major product formed when 1,3-cyclohexadiene reacts with this acid. Do not include any…
A: Given reaction is addition reaction . HI added across carbon carbon double bond. This reaction is…
Q: a) Which orbital is HOMO (Highest occupied)? b) Which orbital is LUMO (lowest unoccupied)? What do…
A: HOMO :- The highest energy molecular orbital which is occupied by electron. LUMO :- The lowest…
Q: Find the derivative, r'(t), of the vector function. r(t) = (t sin(3t), t², t cos(5t))
A:
Q: Part 1 Br 1) Ma Hint Part 2 2) 3) H₂O* Your answer is correct. The major product is a primary…
A: Given reaction: We have to find the major product of the reaction.
Q: The enthalpy of vaporization of Substance X is 28.0kJ/mol and its normal boiling point is −111.°C.…
A:
Q: A 76.6 g piece of metal at 82.0°C is placed in 137 g of water at 21.0°C contained in a calorimeter.…
A: Mass of metal = 76.6 g Initial temperature of metal = 82.0 °C Mass of water = 137 g Initial…
Q: draw the four stereoisomers of 2-amino-2,3-dimethylpentanoic acid in both the standard view and…
A:
Q: Shown here is a Lewis structure for the chlorate ion, CIO3, that expands the octet to minimize…
A:
Q: Given the reaction CH3COCH3(1) + 402(g) → 3CO2(g) + 3H₂O(g) Determine the AH, for CH3COCH3(1) ΔΗ = =…
A:
Q: If work is done on a system, heat is taken from a system, and the internal energy of the system is…
A: Given : work is done on a system Heat is taken from a system Internal energy of the system is higher…
Q: Calculate the maximum wavelength, Amax, of electromagnetic radiation that could eject electrons from…
A: Work function = 8.76 x 10-19 J Speed = 4.14 X 106 m/s
Q: Given: ___CO₂(g) + ____LiOH(s) -->___Li₂CO3(s) + ____H₂O(1) What volume of carbon dioxide gas at STP…
A: A balanced chemical equation contain equal number of atoms of each elements on both sides of the…
Q: If your front lawn is 25.025.0 feet wide and 20.020.0 feet long, and each square foot of lawn…
A: Given data, Width of lawn = 25.0 feet Length of lawn = 20.0 feet 1 square foot lawn = 1050…
Q: What is the pressure of He if it begins at 780C with a pressure of 56 kPa and then gets changed to a…
A:
Q: An imaginary element with a radius of 267 pm and a density of 4.03 g/cm3 crystallizes in a…
A: Given data, radius of atom = 267 pm = 2.67 x 10-8 cm density of element = 4.03 g/cm3 For a FCC…
Step by step
Solved in 2 steps with 2 images
- akeAssignment/takeCovalentActivity.do?locator=assignment-take 54 When H₂S(g) reacts with O₂(g) to form H₂O(g) and SO₂(g), 124 kcal of energy are evolved for each mole of H₂S(g) that reacts. $ Write a balanced equation for the reaction with an energy term in kcal as part of the equation. Use the SMALLEST INTEGER coefficients possible and put the energy term in an appropriate box. If a box is not needed, leave it blank. Submit Answer R F4 % 5 [Review Topics] [References] Use the References to access important values if needed for this question. F5 T Retry Entire Group 9 more group attempts remaining + Cengage Learning Cengage Technical Support A 6 MacBook Air F6 Y & 7 AA F7 Ü * 8 DII F8 ( 9 + F9 0 0 + F10 ☆ P Previous { 0 Next Save and Exit F12 Upda deleQUESTION 3 Which of the following solution would have the highest conductivity? Please explain your answers. (hint: ion concentrations) 0.15 M NaCl, 0.15 M Na2CO3, 0.15 M NH3 For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). I U S Paragraph Arial 10pt A v E E x X, 8 T The HBL V 日 田用区 Ť (;} © ® P QUESTION 4 Write balanced molecular equations and balanced net ionic equations for the precipitation reactions: Click Save and Submit to save and submit. Click Save All Answers to save all answers. Sav МacBook Prо have you & #3 $ % 6. 7 8. 3 4 E R Y U W F G H K S D くThank you for answering^^Determination of Sulfates in water (Analysis) Background and Principles - Concept/knowledge about the analysis Environmental Significance Applications
- You're at the same pharmaceutical company, and they also make magnesium pills. You weigh out 5 tablets (3.2834 grams). And crush them with a mortar and pestle. You take a subsample of 384 mg and dissolve it in acid, making it to a final volume of 250mL. • You then take 50 mL and dilute it to 250mL volumetrically. • You further dilute the sample by taking 15 ml and diluting it to 250mL. • You run this on a varian AA with your standards and get the following response: Response (ABS) 0.546 1.134 2.135 1.634 ● ● Solution 1.0 ppm Mg 2.0 ppm Mg 4.0 ppm Mg Sample Calculate the amount of Mg in one pill. Line of best fit y = 0.5255x+0.04558. For a solution of 3.12 x103 mol/L CH;COOH the specific conductance: 1.49 x 104 S/cm, and molar conductance at infinite dilution = 325.76 S.cm?/ mol, Ka is a) 5.33 x 107 c) 0.146 e) 1.20 x 10$ b) 7.85 x 10 d) 1.55 x 107A = A,-ave Using a conductivity meter, the specific conductance, k, values of 0.01 and 0.05 M KCI in their aqueous solutions are 0.00145 and 0.00525 Scm-1, respectively. If the limiting ionic conductivity of Cl is 74 S.cm2 mol-1, What would be the value of the limiting ionic conductivity of K* in S.cm2 mol-1? O A.71 О В. 87 OC. 103 O D. 153 O E. 125
- Electrical Conductivity of solution lons released in solution Solution pH Taste 1 Very high 8.0 bitter ОН- 2 Very high 14.0 bitter ОН - none 7.0 none both 4 Very high 2.0 H+ sour Based on the experimental data collected by a student above, which solution is acidic? Give at least 2 reasons to support your answer.MasteringChemistry .edu/webapps/assessment/take/launch.jsp?course_assessment_id%3_1575667_1&course_id%3_592130_1&content_id%3D_39106439 18 Up pe Maps M Gmail YouTube O Maps * Question Completion Status: QUESTION 4 A student takes 92 ml of a 0.0245 molar KOH solution and dilutes it to a final volume of 4,314.5. What is the pH of that resultant dilute solution? (report pH to two decimal places and include NO units in your answer) QUESTION 5 A student is told by their chemistry professor that he thinks he remembers that the ion product constant for water (Kw) has a value of 1.51x10-14 provided by their chemistry professor from his questionable memory, what is the calculated pH of water at 40 °C ? (Enter your number with 2 decimal places and do NOT include "pH" as a unit in your answer.) when water has the same temperature as that of a human running a hot fever of 40 °C. Based only on this information QUESTION 6 Given the information for equilibria (1) and (2) below, find the equilibrium…3) A 1 L sports drink bottle contains KCl, NaCl, and Na3PO4 as electrolyte sources. If the total ionic strength is 0.0420 M and the drink contains 355 mg of each chloride salt, what mass of Na3PO4 (in mg) is present? КСІ NaCl Na3PO4 1851 M FM= 74.6 FM= 58.4 FM= 163.9 viivita su ion 00 Intol iniog sine sdi vippipiting na abjon la m bu et stontin ovla M2ED to Im 0.15 ti gAqilols) 16 21-10. A
- aching and lear x m/takeAssignment/takeCovalentActivity.do?locator=assignment-take f6 6 Your one-time code-escobedoa X G how do you cover a ml to liter - X + Use the References to access important values if needed for this question. In our bodies, sugar is broken down with oxygen to produce water and carbon dioxide. According to the following reaction, how many grams of oxygen gas are necessary to form 0.705 moles carbon dioxide? C6H12O6 (s) + 602 (g) → 6CO₂(g) + 6H₂O(2) Submit Answer & g oxygen gas 7 Q. Search LD COGNOF fg Retry Entire Group * त 4+ 8 fg hp KAA 2 more group attempts remaining 9 f10 ►I O 104 f11 12 ✈ + ins prt sc ← delete backspace Next > home O num lock 海口 6:54 PM 5/18/2023 ende teaching and lear X + /ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-... 2 [Review Topics] [References] Use the References to access important values if needed for this question. In the laboratory you dissolve 13.0 g of aluminum chloride in a volumetric flask and add water to a total volume of 125 mL. What is the molarity of the solution? What is the concentration of the aluminum cation? M. What is the concentration of the chloride anion? M. Retry Entire Group Submit Answer 7 more group attempts remaining M. Previous Next H d Exit 0 x S :Show complete solution and round-off your answers to four decimal places. Calculate the amount of calcium chloride per tablet if the sample powder weighing 0.2382 g required 16.52 mL of 0.1150 M EDTA for titration. The weight of 20 tablets taken was 7.75 g. Answer: _ mg