"Precision" is the ___________ of a measurement a. probability b. repeatability c. variability d. exactness

Q: How do I find the standard deviation of the molaR CONCENTRATION and the relative standard deviation?…

A: A numerical problem based on standard deviation, which is to be accomplished.

Q: Select one: a. 1s? 252 2p6 3s? 3p 3d6 b. 1s 252 2p5 3s? 3p6 4s23d6 C. 1s? 25? 2p5 3s? 3p63s2 3d1 d.…

A: Electronic configuration of Fe2+ : ?

Q: But you didn't make use of the data given. We're supposed to use the data to find the answer.

A: Heat of combustion: It is defined as the amount of heat released when one mole of a given compound…

Q: 1. The table below shows average temperatures recorded over a five-day period last winter (a)…

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Q: As used in the definition of a sampling distribution, "all possible random samples refers to

A: The sample distribution involves the usage of statistical methods in the probability distribution of…

Q: All of the following increase the width of a confidence interval BUT? Increased variability…

A: A multiple choice question based on general chemistry, which is to be accomplished.

Q: (i) What is the difference among 1, 2, and 3?

A: The main difference is the substitution at the rightmost 5 membered ring. In compound 1 there is no…

Q: Francis A. Santos Which of the following is not a way of expressing data reliability: A Statistical…

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: How to obtain the relative error with a set of data points

A: For a set of data points, relative error is obtained by dividing the mean absolute error by the mean…

Q: Which is an example of an indeterminate error? Wrong dilution of sample solution Overshooting…

A: Indeterminate errors are also called accidental errors or random errors which are beyond the scope…

Q: How detectors work in MS?

A: Mass spectrometry

Q: SEP Define a Problem Grades on tests can also be thought of as a success statistic. How would you…

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Q: Suggest a hypothesis that explains the pattern/shape for the trend of the data in my graph

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: c- The precision of CaO %, 50.04, 48.67, 51.35 is

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Q: Time required to elute substance Z when N = 1000 = when N = 2000 The two quantities cannot be…

A: Given,       Time required to elute a substance Z     When  N = 1000   and N = 2000   Required,…

Q: Using the information above, run the linear regression for your data. Enter the equation for the…

A: A question based on general chemistry that is to be accomplished.

Q: What is the average ratio in this chart?

A: Epsom salt is a hydrated salt of magnesium sulfate. It is used for relieving muscle pain and is used…

Q: Part A What would you advise him to do? The Delisle temperature scale used in Mexico. Typical baking…

A: Temperature is measured using Fahrenheit and Celsius scales.  The given temperature is 185 oC.

Q: Please solve both sub-parts accurate and exact answers please it's very important!! I'll rate it up…

A: The concentration of the unknown solution provides information about the quantity of the substance…

Q: We use control charts to monitor a. random variation. b. assignable variation с. natural variation

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Q: sp sp? sp3 sp3 109.5° H H 109.5° 120° 180° Submit Previous Answers Request Answer X Incorrect; Try…

A: Given,

Q: a) By how much should the student expect their sample measurements to increase by? Why? b) Will…

A: (a) In spectrophotometry, the absorbance is directly proportional to the concentration of analyte…

Q: Please find the experimental average density water and the standard deviation:)

A: Density :-  It is the ratio of mass of a substance to volume occupied by the substance Density =…

Q: he following linear plot is derived from a function of the form y = ae", where a and b are…

A: Given function, y = aebx  Value of a and b = ?

Q: Distinguish between data and results.

A: When an experiment or research is being performed, the data and the experimental results are…

Q: What is the meaning of a confidence interval?

A: In chemistry there are many ways to check the deviation of experimental data from the accurate…

Q: The least squares calibration methods depend on? O A. Components of sample O B. Analyte…

A: The least-squares calibration methods depend on analyte identification.

Q: Distribution Coefficient - Please help write conclusions based on results provided. Thank You!

A: The mass of acid in ethyl acetate after single extraction = 0.1072 g And, the mass of acid in ethyl…

Q: Simplify. y y Write your answer with a positive exponent only.

A: The given Fraction of Polynomial: yy-7

Q: 20,18,2,4,15,15,10 Using these data, construct a 80% confidence interval for the average net change…

A: A confidence interval for a population mean with a known standard deviation is based on the fact…

Q: My System Suitability Tests can contribute to PQ True False

A: The recorded collection of activities required to verify that an instrument consistently operates…

Q: Human error can contribute to a false end point. O True O False

A: Yes Human error can contribute  the false end point. Given Statement is true. Example  Because  If…

Q: Find the density for each trial

A: Mass of water=2.11 g Volume of water=2.0 mL Density = Mass / Volume  Density =2.11 g/2.0 mL Density…

Q: ing statements is true of the detection limit of an instrument?

A: The first question is based on antiquity, so instead of solving it, solve the second question with…

Q: How do you determine standard deviation?

A: The measurement of the amount of dispersion of the set of values of an observation is known as…

Q: In a particular trial, a student got a value for R of 0.085. Calculate the percent deviation of this…

A: Percent deviation is given by: % deviation=Rexperimental-RacceptedRaccepted×100            ......…

Q: : 5. Ca

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Q: The last value of each dataset in the table may be a questionable value. Apply the Q test with a 95%…

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Q: - Rule violated: 2p 4个4 f t1t4t Rule violated: - 2p- 3s 3p

A: Since you have asked a question with  multiple sub-parts, we will solve  first three sub-parts for…

Q: A system will be error free if we remove all systematic error. A True B False

A: Given question is :  A system will be error free if we remove all systematic error.  Whether the…

Q: please find the percent error not for each one but for the three trials together:)

A: In the given question we have to calculate the percent error for the density of water.  we know…

Q: Sample A: Sample B: Sample C: Sample D: Sample E: Sample F: 22mm 18mm 35mm 30mm 28mm 28mm 21mm 17mm…

A: Since the units are in mm, this means we are taking about some distance, length or height.

Q: Using table with raw data, please find: 1) Density of each trial 2) Average density of sample 3)…

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Q: 2. Assuming that all groups carried out the experiment and associated calculations correctly, which…

A: Enthalpy of fusion is defined as the amount of energy required to change the state of matter from…

Q: I have attached the density measurements below. Please find the standard deviation thank you!!

A: Given: Density D1 =0.989 g/mL Density D2 =0.992 g/mL To Calculate: Standard deviation for the…

Q: at Error d)

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Q: Maximum containment laboratory (14 .are usually locate at separate room

A: This is a particular laboratory in which some special experiment on biologically modified organism,…

Q: How to calculate a retation time ? Can you give me an example with peaks please

A: Interpretation -  To tell about that how to calculate the retention time with an example -…

Q: Using the raw data, please find the following.

A: In this data calculate the volume first and take an average of the data . Standard deviation is a…