Using the data below, construct a calibration curve. Include the error bars and the equation of the line and the linearity (R2) of the curve.  Calcium concentration (ppm) (X-data) Absorbance (Y-data) Run 1 Absorbance (Y-data) Run 2  Absorbance (Y-data) Run 3 0.3 1109 1069 1155 1.2 1225 1168 1233 2.1 1472 1319 1389 4.2 1497 1523 1472 8.0 1833 1898 1849 16 2066 2012 2051

Q: Express the following absolute pressures in terms of vacuum and gage pressures if the barometric…

A: 1) given Barometric pressure(atmospheric pressure)=762 mm Hg absolute pressure= 4 cm of Hg=40 mm of…

Q: X 0.021 0.031 0.042 0.053 0.079 0.106 0.159 Y 0.0157 0.0236 0.0325 0.0414 0.066 0.0917 0.15 Q/Curve…

A: Given: Data for X and Y are provided in the tabular form.Required: Graph/curve of X vs Y

Q: consider that a polystyrene (PS) has the molar mass distributions shown in the table below.…

A: The numerical fraction and the mass fraction along with the corresponding molar mass is given in the…

Q: UVVIS spectrophotometry of water sample containing cobalt (Co) and nickel (Ni) is performed in a…

A: To choose the correct option from the given list

Q: In gravimetry based on precipitations, a small value of R (~1.0) is desired. Why?

A: Since we are entitled to answer only 1 question, we will answer the first one as it is not mentioned…

Q: 1. Atom is the basic unit of an element that can undergo physical change.

A: As per our company guidelines, we are supposed to answer only first question. So kindly repost other…

Q: Which of the following forms of radiation has the shortest wavelength? Wavelength (1) in m A) red…

A: • In this question we have been asked about that ray which has the least wavelength.

Q: An electron transition in hydrogen atom emits a photon with a wavelength of 1281.5 nm. Calculate…

A:

Q: The McCabe-Thiele method is used to determine the efficiency of a distillation column for separating…

A: Answer: FalseThe statement is false.

Q: Plot the the attached data - Absorbance vs. Time

A: According to the Beer-Lambert law, a linear relationship between the concentration and the…

Q: Consider sodium atom that lost 10 electrons, i.e. Na10+ ion and calculate wavelength of radiation…

A: Given that sodium has lost 10 electrons to get Na+10 ion. Hence, it would have only 1 electron left…

Q: It has been determined that the key quality attribute affecting the shelf life is browning in a…

A:

Q: 4. A certain hypothetical polymeric colloidal solution has the following data: Molar mass interval…

A: Polydispersity is the ratio of weight average and number average. In weight average sum up the…

Q: View factor F12 0.50 0.40 0.30 0.20 0.10 0 Y=0.1 1.0 0.2 0.3 0.4 0.6 0.8 1.0 1.5 3.0 8.0 USE THIS…

A: Solution:Step 1:

Q: In binary distillation, what does a relative volatility of 1 indicate? A Only the minimum required…

A: In binary distillation, relative volatility of 1 indicate Only the minimum required energy is used…

Q: How does distillation-curve map differ from a residue-curve map?

A: For non ideal mixtures forming azeotrope, Residue curve (RCM) and Distillation curve (DCM) maps are…

Q: In order to do material balances in processes involving chemical reactions, we may use a/an…

A: Molecular Species Balance and Atom Species Balance are used to do Overall Material Balance and…

Q: How does x-ray crystallography provide details about molecular structure?​   a. ​X-rays can be used…

A: Introduction X-ray crystallography (XRC) is a technique to determine the atomic and molecular…

Q: Calculate the rate of heat loss per cm² through a stabilized zirconia (ZrO₂) lining of a…

A: The external face of the lining is at 100 degrees Celsius, and its thickness is 1 cm,laboratory…

Q: 3. (a.) Explain how Mg in 6061 aluminum can increase the strength of Aluminum in terms of defect…

A: It is asked that :a) How aluminium's strength is increased by Mg 6061.b) Observable effects on…

Q: write the symbol for the atom that has an atomic number 9 and mass number 19 How many neutrons does…

A: It is required to determine the symbol for the atom that has an atomic number 9 and mass number 19…

Q: Derive an equation that gives TKTK as a function of TFTF to the nearest hundredth of a degree.…

A: Given that we have to derive an equation between TKTk as a function of TFTF  for  TkTk = 100 degree…

Q: What is the frequency of ultraviolet light with a wavelength of 322 nm? A 9.38x1014 Hz B) 8.31x1014…

A: Given:- Wavelength = 322 nm  What is frequency of ultraviolet light?

Q: Briefly discuss what the ternary phase diagram is

A: Discuss the ternary phase diagram.

Q: apy top fo

A: Absorption spectroscopy of the substance is a very basic method of discovering the band gap of…

Q: 2. Draw the variation of the Cs/Co ratio with solid fraction (fs) by taking k values as 1.05, 2, 3,…

A: In the context of materials, solid fraction is the ratio of the volume occupied by solid particles…

Q: xample and discuss how we can apply concentration of solutions at home.

A: Solution is a type of homogeneous mixture which has two components solute and solvent. In general a…

Q: Fig. 1 shows isothermal dehydrogenation which was pioneered by BASF and has been used by them for…

A: Given:A process for the isothermal dehydrogenation of ethylbenzene to styrene . The reactor  is a…

Q: A) HF B) HCI C) HBr D) HI

A: • In this question, we have been asked to select the species with largest dipole moment.

Q: Explain why Raoult's Law has very limited applicability in its ability to accurately predict…

A: Explanation of why Raoult's law has limited applicability in its ability to predict VLE behavior is…

Q: What are the differences between intensive and additive variables?

A: The differences between intensive and additive variables are to be mentioned.

Q: 49. A composite material is 57% resin (density of 2.3 g/cm³) and 43% unidirectionally placed carbon…

A: To find the density of the composite material, we can calculate the weighted average of the…

Q: 2. Consider your fractional distillation. a. What was the purpose of adding the packing material? b.…

A: Fractionation column is given. Answer following questions.

Q: Answer briefly and provide the sources of the following: 1. Why do you have to use the same cuvette…

A: Spectrophotometry is a technique wherein the amount of light absorbed by a chemical compound is…

Q: Which of the following is a method of particle size measurement? (A Sedimentation Analysis B None of…

A: Particle size measurement is done via microscopic analysis in terms of area of particle. Answer:…

Q: Find the solution of the differential equation using Variation of Parameters. y"' – 3y" + 3y' =

A: The auxiliary equation is (m3 - 3m2 + 3 m ) = 0  m(m2 - 3m + 3 ) = 0  (m2 - 3m + 3 ) = 0  m = 3 +- 3…

Q: b. Describe the THREE major classification of Chromatography b. Two compounds in gas chromatography…

A: Relative retention = 1.1 plate height = 0.6 mm Resolution = 1.00 Retention time of air = 4 minutes…

Q: Calculate the followings. (50 drops/mL. 10 drops/monolayer, Inner Diameter of Petri dish - 14.00 cm,…

A: (A) Given, 1 monolayer = 10 drops1 mL = 50 dropsstearic acid = 1.42×10-4 g/mLdensity of stearic acid…