I need step by step process solving [4.184x156(Tf-295)] + [4.184x85.2(Tf-368)] = 0.

Q: The amount of V was found to be 0.19% (+/-) 0.02% V (N=6). Calculate t-calc, assuming 95% confidence…

A: Standard deviation=s=0.02 %

Q: 7. Calculate the Mn, Mw and D for a polymer mixture sample comprising 2 g of polymer molecules…

A: Please find the attachment.

Q: Estimate the relative uncertainty for the measured quantity R according to the following equation: R…

A: To calculate the relative uncertainty for the following equation:  R = 157±25-59±41220±108+77±11

Q: 100 - 80 20 20 40 60 80 100 120 140 160 m/z 180 200 220 Br Br Br Relative Intensity

A: From the given above spectrum, the various fragments with their expected mass are shown in the table…

Q: Part B The accepted value of Ksp for Ag2 CrO4 is 1.1x10-¹ experimentally determined value given…

A:

Q: Relative Intensity 100 M+ = 132 80 60 40- 20- 0- 25 50 75 m/z 100 T 125

A: The question is asking to interpret the given mass spectrum data. In mass spectrometry, M+ refers to…

Q: professor Scimemi has accepted you as a Master’s student and you are involved in a project that…

A: You need to make 2.5 mM KCl. The formula for weighing is as follows: Amount of KCl (g) = [Molarity…

Q: (9.29 × 105/8)-20.81 =  with correct sig figs

A: In measurement the number of digits in value is known as significant figure,  all non zero values…

Q: Sample  Physical Appearance 0.1 M Na2CO3     0.1 M CaCl2     Na2CO3 + CaCl2 mixture…

A: It is given that 0.1 M sodium carbonate (Na2CO3) is reacting with 0.1 M calcium chloride (CaCl2),…

Q: How to prepare the solutions listed below Solution 1) 25 mL 7 M sulfuric acid and the respective…

A: Molarity (M) is the number of moles of solute present in per liter of the solution.  Its unit is…

Q: > Y 1. (125)

A: Here the concept of Miller indices will be applied

Q: k. Comment on the AH values for the reaction of HCl + NaOH (65.8 kJ/mol) and of HNO, + NaOH (56.1…

A: Overall enthalpy of neutralization is the enthalpy of neutralization + enthalpy of ionization of…

Q: Given the standard enthalpy changes for the following two reactions: <ΔΗ° question = (1) 2Zn(s) +…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: How many moles of CaCl2 are in 7.76 × 1024 formula units? 7.76 x 1024 formula units = mol

A: 1mole of substance = (6.023×10 23) formula units

Q: T III ion 1 ion 2 on 3 on 4 ion 5 ion 6 ion 7 ion 8 ion 9 ion 11 ion 12 on 13 on 14 on 15 ion 16…

A: We have to calculate standard enthalpy of reaction.

Q: 2HF (g) = H₂(g) + F₂ (g), Kc = 1.0 x 10-95 ibrium mixture contains mostly reactants. 2NO(g) + O₂(g)…

A:

Q: Ammonium dichromate is sometimes known as Vesuvian Fire, because of its use in demonstrations of…

A:

Q: Sample IdentificationCodeConcentration of M%TA=2-log(%T)Q50004.00 x 10-417.90.75Q50013.20 x…

A: The main purpose of this experiment was to analyze the samples spectrophotometrically, determine…

Q: Can you also put whether is A, B, C

A: The diagram provided in the original question presents the various electronic transitions. The…

Q: What are the differences between systematic and random errors and how do they effect accuracy and…

A: As per the Bartleby guidelines, an expert is allowed to answer one question at a time. Please repost…

Q: i cant seem to get the right answer for this, could you please explain how i use the constant? like…

A:

Q: low much iron ore (that assays at 16.24% Fe) must be used in an analytical procedure that is known…

A:

Q: CH12 O2 H2O C,Hs O2 CO H20 C,Hs O2 C H20

A: The reactions given are,

Q: if what is the of free Fe 2+ for Fe[NHg]?t is 472*1014 equilib m conceration the if imital concentya…

A: Given :  Kf = 4.72 x 1014  [Fe+2]initial = 0.0100 M  [NH3]initial = 0.100 M

Q: 2NOBr(g) → 2NO(g) + Br2(g) Use the data below to make the following determinations: (a) the average…

A: The rate of reaction is the speed at which chemical reaction takes place. For most reactions, rate…

Q: जिक भुर की फ्रेशेदूके प्रच्क, लपंक्भोभुळेच मन उण्ट एर कि ्थखजांव एकवंर Sवेरट चimct an ceul. The…

A:

Q: Given:   3 Pt2+(aq)   +   2 Cr(s)   ⟶    2 Cr3+(aq)   +   3 Pt(s)    Eo = +0.44 v [Cr3+] = 0.512…

A:

Q: Tasks: 1. Check for Ionic balance.

A: Note; Since this question contains multiple subparts and it is not mentioned which subpart is to be…

Q: \table [Index Code,Statistic Date,Instrument Dividend Yield], [J100, 2019/01/31, Accentuate,8,08% T…

A: 4.1 Calculating the Treynor Ratio for the Accentuate portfolioThe Treynor ratio is calculated…

Q: Staple your graph to the data sheet. Complete the following table: T-1(K-1) In(VP) 353 aw3 =0.00297…

A: From the given data first we will find out the ln(VP) values for 1 mole. Then we will draw the…

Q: (b) Shown below are three different van Deemter curves for particles of varying sizes. Propose…

A: Van Deemter equation: It describes various factors that affect H/HETP (height equivalent theoretical…

Q: AG and AG are equal when Q=

A: Free energy change: change in the free energy takes place while reactants converts to product where…

Q: 106CO2 + 50 SiO4 + 16HNO3 + H3PO4 + 0.001 Fe + 122H2O → og gnibuloni bos ((CH2O) 106 (SiO4) 50 (NH3)…

A: The objective of this question is to calculate the change in total  in the ocean surface mixed…

Q: If AH*= 10 kcal/mol and AS = +10 eu, at what temperature will AG = 0? Show your work. %3D %3D %3D

A: Given that  ΔH = 10 Kcal/mol ΔS = 10 eu To calculate the temperature at which ΔG = 0

Q: A student performed chromatography on a mixture of benzoic acid (C₂H5CO₂H), acetophenone…

A:

Q: Relative intensity 100 50 15 mvz 20 & 41 40 57 60 68 81 80 85 (96) 100 OH H+ 194*. 120

A: The main aim of this question is to explain the mass spectrum peaks of given molecule. The mass…

Q: CI -NO₂ NaOCH₂CH3 heat ?

A: The objective is to determine the product of the given reaction.

Q: OD 450 Concentrations 0.105 0      0.144     3.06    0.406 31.9    1.233 108     1.909…

A: According to Lambert Beer Law, absorbance of a solution is directly proportional to concentration of…

Q: ations. Calculate the volume (length x width x height) in units of mm³ (mm x mm x mm) fo large…

A: Volume = length * width* height Length = 254.7 mm Width = 25.3 mm Height= 136.8 mm Volume =…

Q: The following experimental data was collected by a student: 0.0020 M Fe(NO3)3 mL Trial 123 4 Blank…

A:

Q: In an experiment with an Ostwald Viscometer, the times of flow of water and toluene are 45 s and…

A: Given that -  Time of flow for water , tw = 45 s  Time of flow for toluene , tt = 32.9 s  Density of…

Q: A standard reference material is certified to contain 94.6 ppm of an organic contaminant. Your…

A: The given values are 98.6, 98.4, 95.1, and 97.2 ppm. Certified value is 94.6 ppm

Q: Q1: The table below shows the Oxygen purity and Hydrocarbon levels observed in five tests performed…

A:

Q: c) S03(g) +. _H20(g)

A: When  sulphur trioxide is treated with water then the reaction is done which is known as hydrolysis…

Q: 500.0 mL 0.2 M KI 2. 500.0 mL 0.2 M KCl 3. 500.0 mL 0.1 M K2S2O8 4. 500.0 mL 0.1 M K2SO4 5.…

A: The proportionality constant in the equation that expresses the relationship between the rate of a…

Q: Use the information below to make a numerical response question 2 RO; (ag) + 12 H' (aq) + 3 M (9) =…

A: We need to make a numerical response question, based on the given information.

Q: I know you don't answer graded questions and I am not looking for you to straight up give me the…

A: Mass spectrometry is a technique used to find out the molecular weight of the compounds and thus…

Q: A 0.3202 (±0.0001) g sample of a pure monoprotic acid required 20.04 (+0.02) cm of 0.1005 (+0.0005)…

A:

Q: pH - log (2x10)+log 11

A: According to Henderson Hasselbalch equation, pH of the solution is given by pH=-log Ka +…