16. Soru .is a quantitative measure of the reproducibility of experimental measurements A) Accuracy B) Error C) Precision D) Deviation

Q: Calculate the average K and standard deviation given the following K values: 804, 698, 725.

A:

Q: The pharmacist attempts to weigh 80mg of sodium carbonate on a balance having a sensitivity…

A: Maximum weight which can be given is computed as: Maximum weight measured = Actual weight +…

Q: The followng set of chloride analysis on seperate all quots af a pette pooled Serum obtained from…

A: We can perform Grubbs outlier test to solve this problem.

Q: operations with scientific notation

A: We can add, subtract, multiply, and divide numbers that are written in scientific notation while…

Q: The results + standard deviation (number of samples) are given in the following table:

A: The two methods are: • chromatography •spectrophotometry

Q: What is density? Explain why density can work as aconversion factor. Between what quantities does it…

A: Conversion factor: It is the factor that is used to convert one parameter to another by division or…

Q: Read the meniscus with the uncertain error range (+/-). ml

A: According to the given image, the meniscus lies in between 5 mL - 6 mL.

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: The sum of 91.20 and 92.973 should be reported with—- digit(s) after the decimal point.

A: The numbers given are 91.20 and 92.973.

Q: Which of the following sentence is correct: O Gross errors result from carelessness and the…

A: The given options describe different types of errors like gross error, random error etc., and…

Q: Repeatness is very important used to I a) Increase the error. b) Decrease the error. c) Minimize the…

A: Repeatness means to perform an experiment again and again.

Q: Correct! Now, determine the uncertainty value for the measurement. 10 6.2 ± mL SUBMIT UNCERTAINTY

A: To determine the uncertainty value for measurement. Uncertainty = ( Lowest reading on scale)/(no. of…

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

A:

Q: Proper measurement means O always reported to the unit place estimated to the 10% of the smallest…

A: Proper measurement means –  always reported to the unit place estimated to the 10% of the…

Q: Hydrometer consists of a bulb attached to a stalk of constant cross-sectional area.

A: Hydrometer is used to measure density of a liquid . This device consists of a sealed, long-necked…

Q: Finding mass /volume/Tempeture with data collection

A: It is given that: Weight of empty 400 mL beaker = 143.018 g Weight of 30 mL beaker and test tube =…

Q: r of significant figure is

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: An error due to temperature, humidity and wind. A Instrument Error B Personal Error (c) External…

A: Errors occurs in labs while measurements and taking readings.  Errors are categorised into…

Q: crayon

A: You can see this scale is cm ( centimetres ) so that C and E option are incorrect because of in this…

Q: The variance of chemical experiment .data is square of standard deviation

A: The standard deviation and variance are used to measure the scattering of data from the mean value.…

Q: Differentiate the two equipment: (Equipments used for Measuring Liquid) and (Equipments used for…

A: For solid we measures weight and for liquid, we measures the volume  .

Q: The filtration techniques was used in limiting experiment:

A: Find the solution given below

Q: Calculate the percent relative error

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What information should the CONCLUSION section of a chemistry lab report contain? Select all that…

A: A conclusion of an experimental work comprises the overall results of an experiment and explains…

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: Question 7, Saved Listen Systematic error affects the accuracy of a result.

A: Systematic error

Q: Which of the following sentence is correct O Gross errors cause outliers O Gross errors result from…

A: The given options describe different types of errors like gross error, random error etc. and…

Q: dt y liters of

A:

Q: Define and compare accuracy and precision.

A: The degree to which the given value is correct and is free from error is termed as accuracy.

Q: 3) 1 (meter) 1 y(m-1) 4 5 6.

A:

Q: b. Read the bar length properly.

A: The measurement given is,

Q: Which statement is associated with random error?

A: Measured value is the value of a measurement obtained through an instrument or a device. The…

Q: experimental value is 523 accepted value is 500 how many sigfigs should percent error be

A: Given: The experimental value, E=523 The accepted value, T=500 Percentage error can be calculated as…

Q: Why is measurement important in chemistry? (Essay).

A: Measurements are an important parts comparing things ,as they provide the basis on comparing objects…

Q: dimensional analysis

A:

Q: and density

A:

Q: Standard Deviation Problem The mass of an object was recorded using analytical balance in the lab.…

A: The mass of the object recorded in three trials is = 3.678 g, 4.988 g, and 4.541 g a) The average…

Q: What unit should be on the bottom of the fraction in the dimensional analysis?

A:

Q: A patient result is greater than the linearity of the instrument. An off-line dilution needs to be…

A: Volume of patient sample = 100 micro Lit. Volume require for instrument = Sample + dead space   =…

Q: Random error, also c

A:

Q: 22. 24. 23. 82 13 21 81 12 20 80 11 19

A: The reading given are,

Q: Question 19 Posision's ration is the proportional decrease in a lateral measurement to the…

A: Please find your solution below : Poisson's ratio is a ratio which is defined as the ratio of change…

Q: Density Determination Challenge

A:

Q: What information should the RESULTS AND DISCUSSION section of a chemistry lab report contain? Select…

A: There are various sections which are present in a lab report including title, introduction,…

Q: d reports 360° reports More v

A: Dear student I have given answer to your question in the image format.

Q: at Error d)

A:

Q: need help wilth calculating percent relative error. What will be the real value when it comes to…

A: Percentage error is the difference between the estimated number and the actual number when compared…