Q: How many moles of Zn(NO3)2 are there in 560. g of this compound? Note: Molar mass of Zn(NO3)2 is…
A: Mass of 1 mole = molar mass
Q: Determine the molar mass of iron (II) chloride hexahydrate. Provide an answer to two decimal places.
A: Molar mass of a substance is mass of one mole of a compound. Formula of Iron (II) chloride…
Q: 2.30. A piston reversibly and adiabatically contracts 3.88 moles of ideal gas to one-tenth of its…
A:
Q: (c) Write mechanisms that account for the products of the following reactions (a) (b) باللہ ملی I…
A: The given reactions are an example of nucleophilic addition reactions with alpha - beta unsaturated…
Q: Ascorbic acid (C₂H₂O) is also known as Vitamin C. What quantity in molecules of C,H,O, does a…
A: 1 mole = 6.022 x 1023 entitiesMass of 1 mole = molar mass
Q: Question 12 The decomposition of O, is a second-order reaction with a rate constant of 50.5 M¹ hr. 2…
A:
Q: D Question 7 Using a spreadsheet software (Excel, for example), plot the following data points and…
A: The concentration vs absorbance graph is used to determine the solution's concentration using…
Q: Determine the quantity of nitrogen atoms in 15.0 grams of Pb(NO2)2
A: Weight of lead(II) nitrite Pb(NO2)2 = 15.0 gMolecular weight of Pb(NO2)2 = 299.21g/mol So, first we…
Q: 3 Concentrated sulfuric acid has a density of 1.76 g/cm³ and is 84.0% by weight H₂SO4. What is the…
A: In the given question we have to calculate the molality and molarity of the stock acid concentration…
Q: How many isomers of 2,4-heptadiene exist? 01 02 O 3 4
A: Isomers are compounds that have the same molecular formula but different structural arrangements or…
Q: A reaction has a rate constant of 0.333 min ^-1 at 397 K and a rate constant of 0.981 min^-1 at 779…
A: Given,The rate constant of a reaction at 397 K is: 0.333 min-1The rate constant of a reaction at…
Q: 5.216 g of a pure element contains 2.579x10^22 atoms what is the element?
A: 1 mole = 6.022 x 1023 entitiesMass of 1 mole = molar mass Mass of 6.022 x 1023 entities = molar…
Q: Identify the orbital.
A: The atomic orbitals can be defined as the mathematical wave functions that represent the wave nature…
Q: Question 5 The Lewis structure for the ion, HCO2, should show bond(s), double bond(s), and lone…
A: HCO2- ion is known as formate ion. We have to draw the Lewis structure of it and find out the…
Q: Assume an adult female who weighs 64 kg drinks 2.4 L of water every day and the absorption factor…
A: We have find out the answer from given data.
Q: Draw the chain conformer of a) the most stable conformer of isopropylcyclohexane b) the most…
A: The chair conformer of Cyclohexane is the most stable conformer.We have to draw the stable conformer…
Q: For a BCC crystalline structure, determine the ratio of the planar density in the (101) plane to…
A: Assume that length of the edge of the unit cell is "a".
Q: Calculate the amount of heat required to heat a 3.7 kg gold bar from 25°C to 70°C. The specific heat…
A: For calculation of amount of heat given data is mass of gold = 3.7 kgspecific heat = 0.128 J/ g°C
Q: 3. One mole of ideal gas undergoes an isothermal expansion at 300 K from 1.00 atm to a final…
A:
Q: What reagents are necessary to perform the following reaction? CN O 1. DIBAL-H, 2. H ₂0 OH ₂0, H + O…
A: Cyanide(nitrile) group on hydrolysis produces carboxamides and then further produces carboxylic acid…
Q: The positive charge in dragmacidin D is delocalized. Draw all resonance structures that show…
A: Resonance is delocalisation of pi or lone pairs electrons .Resonance is only occur when there is…
Q: h) H₂ Pt
A: Answer:Addition reaction is the type of reaction in which addition of new atoms or groups takes…
Q: Calcium is a major component of human bones. In the absence of Calcium which of the following…
A:
Q: Determine the amount of Cd²+ per gram of dry clam. Express your final result as milligrams of…
A: Varying amounts of Cd2+ standard solution of concentration (84.0 ppb/L) were added to unknown sample…
Q: e the curved-arrow formalism to show how the electrons flow in the resonance form on the left to…
A: We can show flow of electrons by double headed arrow.Draw arrow from double bond to next single…
Q: 2.16 Write each of the following in scientific notation with two significant figures: a. 5 100 000 g…
A: Standard scientific notation represents a number as a factor multiplied by a power of 10.Steps to…
Q: Draw the additional resonance structure(s) of the structure below? CH₂-C=N: Include all valence lone…
A: Resonance structures involve the delocalization of electrons and provide stability to the compound.
Q: Br NaOH DMF (H2O) а OH Br OH Ь OH OH d
A: This is an example of epoxide opening under basic condition followed by intramolecular SN2 reaction
Q: A solution is prepared by dissolving 120 g KMnO4 in 2L of water at 25oC. The final volume of the…
A: Answer:Molar mass of KMnO4Universal gas constantDensity of water at 250CAlso,
Q: What type(s) of intermolecular forces are expected between PF₂Cl3 molecules? Choose all that apply…
A: we will explore the intermolecular forces expected between molecules of PF₂Cl₃, a chemical…
Q: The two compounds shown below are: Br Br Н Br H and O identical. O enantiomers. O diastereomers. H O…
A: Enantiomers are the chiral compounds which are non-superimposable mirror images of each…
Q: A general chemistry student isolated ciguatera toxin (a poisonous polyether produced by the…
A: Given,mass of ciguatera toxin = 192.9 mgmass of cyclohexane ( C6H12 ) = 3.397 gFreezing point of…
Q: Given that the internal pressure of a gas is defined as value of the internal pressure of a perfect…
A: Perfect gas equation: PV = nRT P = pressureV = Volumen = number of molesR = gas constantT =…
Q: Determine the quantity of atoms in 4.00 moles of He
A: moles of He = 4.00Number of He atoms = ?
Q: Determine the quantity of moles in 3.40 x 10^22 molecules of H202
A:
Q: Part A: 1.) The IR below is for pent-4-en-1-ol. Annotate the provided IR spectra with any and all…
A: IR spectroscopy or infrared spectroscopy is a spectroscopic technique that helps in the…
Q: Super fine 40-gauge copper wire has a diameter of only 0.080 mm and weighs only 44.5 g/km, Suppose a…
A:
Q: 20. Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) commonly used as a pain reliever,…
A: When a chemical formula for a chemical compound is given and moles of particular atom have to be…
Q: Output of energy subliming freezing vaporizing deposition melting Input of energy condensing Reset…
A: The processes listed in the question are physical changes that cause changes in the state of…
Q: reaction HCl(aq) + H₂O(1) Cl(aq) + H₂O* (aq) Nỉ (»9) + 6NH,(@q) - Ni(NH,), (4) A1³+ 3+ (aq) +…
A: According to the Lewis acid-base theory, Acids: According to the Lewis theory, an acid is a…
Q: Which of the following correctly gives the correct coefficients for the reaction below? N2H4 + H2O2…
A: Chemical equations represent the conversion of reactants into products during chemical…
Q: In the initial dissolution step of benzoic acid in water, what would happen if more than 50mL of…
A: Recrystallization is a process used to purify a solid compound by dissolving it in a solvent and…
Q: The pH of a basic solution is 11.59. What is [H*]? 5. The pH of an acidic solution is 4.59. What…
A: pH = -log[H+] [H+
Q: Question 7 Identify the number of significant figures in: 0.001052310 4 05 06 08 9 10
A:
Q: what is the name of BiF3 what is the stoichiometry of BiF3
A: Stoichiometry in compound is ratio of two or more atoms in compound. It determines the structure and…
Q: o In an aqueous solution, classify these compounds as strong acids, weak acids, strong bases, weak…
A: • Strong acid and weak acidStrong acid: a strong acid is a acid which dissociate completely in an…
Q: A compound with formula weight 280 transmitted 65% of the radiation at a certain wavelength in a…
A: Molar Absorptivity:Molar absorptivity is a measure of how well a chemical species absorbs a given…
Q: Predict the FINAL (?) product (or a mixture of products) for the following synthetic transformation:…
A:
Q: Identify functional groups present in the molecule that gives rise to the following IR spectrum:
A: A question based on IR spectroscopy of organic compounds. An IR spectrum is given that is to be…
Q: Which of the following is the strongest acid? I. II. III. OI C1 O III O IV OV O C1 C1 -COOH COOH…
A: Given
Show the structure of the fragment ions for the mass spectrum of ethyl benzoate.
Step by step
Solved in 3 steps with 1 images
- Predict relative intensities at m/z 36, 37, and 38 for HCl. Let the intensity of the molecular ion be 100 and disregard contributions ,0.1%.The data is for the molecular formula C8H8O3 (vanillin) with a mass of 152. Analyze the Mass spec data (include a table listing the molecular ion, base peak, and any other relevant fragments) – also include structures of fragments.How to get coupling constants from this spectra. Values at the top are in ppm. The instrument is 300 MHz.
- Rate = -(Delta[RCl])/Delta t andln[RCl]t=-k*t+ln[RCl]0 < [R-Cl]-time equation Test tube A = 0.30 of 0.10M NaOH(aq), 6.70ml DI H2O & 1 drop of bromophenol bue Test Tube B = 3.00M of 0.10M R-CL in acetone. Mix together in 3 water baths Bath A Trial 1= 20C, 53.6s Trial 2= 20C, 49s for color to changeBath B Trial 1= 32C, 18s Trail 2= 32C, 20s Bath C Trial 1= 10C, 204s Trial B= 10C, 200sQ.6 Rearrange the Arrhenius equation into a linear form relating k and TQ.6a To determine Ea, a graph of (xaxis) ____ (in units of ___) vs. (yaxis) ____ needs to be made. This will yioeld a _____ line with a slope = ____ Q.6b enter values used in the table Q.6c Determine the exp. values of Ea with correct sig figs and unitswhat is the purpose y the result of Spectrophotometric of a Cobalt Chloride Solution Analysis? Table 1 Absorption Spectrum of Cobalt Chloride Using a Spectrophotometer Wavelength Absorbance 400 410 420 430 440 450 460 370 480 490 500 510 520 530 540 550 560 570 580 590 600 610 620 630 640 650 660 670 680 690 700 0.036 0.044 0.063 0.095 0.147 0.215 0.284 0.329 0.362 0.402 0.450 0.479 0.464 0.398 0.314 0.216 0.142 0.087 0.054 0.041 0.036 0.036 0.034 0.028 0.030 0.023 0.023 0.023 0.014 0.014 0.011 Test Tube Number Cobalt Chloride Concentration (mol/mL) Absorbance at 510 nm 1 0.000 0.000 2 0.009 0.042 3 0.018 0.92 4 0.027 0.139 5 6 0.036 0.045 0.190 0.236 7 (Unknown) 0.151The mass spectrum of pentane (MW=72 g/mol) is given below. Which peak is for molecular ion peak, A or B?
- Calculate the resolution required to resolve the following peaks; i) CH3N+ (MW = 28.0187) and N2+ (MW = 28.0061) ii) C2H4+ (MW = 28.0313) and CO+ (MW = 27.9949) iii) C3H7N3+ (MW = 85.0641) and C5H9O+ (MW = 85.0653) iv) 116Sn+ (At W = 115.90219) and 232Th2+ (At W = 232.03800)please quickly ,within 1hour thanks ! If it takes longer than an hour, i don't need the answer (3) What are the qualitative and quantitative principles of inductively coupled plasma spectroscopy?a) How does mass spectrometry identify organic compounds? b) Describe the use and function of Quadrupole Analyzers ? c) One of the ionization sources for atomic mass spectrometry (MS) is Inductively Coupled Plasma (ICP). Explain the need for an interface in the ICPMS instrument and how can it be achieved.
- Please determine Hvap using these: P2- 3.7kpaP1- 19.2kpa T2-276.65KT1-330.15KThe time taken for the unretained species was 0.5 min.a) Calculate the capacity factor (k') for compound X and compound Z.b) Determine the resolution (Rs) of compound Y and Z.Give one advantage of the proposed HPLC identification test over the current UV-Visible Spectroscopy method of Amiloride Hydrochloride.
