What does it mean when the experimental value is larger than the accepted value? What could be some possible reasons for this error?

Q: What factors could have contributed to your experimental value being different from the actual…

A: common sours of errors include instruments error, air resistance  ,human error , lab experimental…

Q: The precision of an experiment is best described by O the % error O the true value O the % deviation…

A: % Error can be determined measuring deviation from true or accepted  value in terms of % . Where…

Q: For the numbers 116.0, 97.9, 114.2, 106.8 and 108.3, use the Q-test, decide whether the number 97.9…

A:

Q: Which is the total predictive error?

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

Q: TWO procedures that can cause the result to have poor accuracy or precision in the experiment.

A: The two main procedure by which one will get wrong result and poor accuracy. One of them is…

Q: Convert 563 cm/s to units of meters per minute. Show the unit analysis by dragging the conversion…

A: Given, 563 cm/s  To convert it into m/min we must know conversion factors.

Q: How many sig figs are in the following numbers

A: All non-zeros are significant  Leading zeros are non-significant whereas trailing zeros are…

Q: A student sets up a paper chromatogram and places a spot of purple food dye on the origin. After…

A:

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: if you know the standard deviation = 3 for measured data, what is the variance?

A:

Q: Give two examples of the Instrumental Error (one of the classification of systematic error). Please…

A: Instrumental errror is a type of error that occurs due to the poor calibration or inaccuracy of…

Q: Other things being equal, the margin of error of a confidence interval increases as A the confidence…

A: The margin of error, also known as the confidence interval, indicates how closely your survey…

Q: What kind of systematic errors are detected by varying the sample size?

A: The kind of systematic errors are detected by varying the sample size has to be given,

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: Cite possible sources of error in an experiment.

A: Answer - According to the question - Common sources of error include instrumental, environmental,…

Q: What is a standard deviation in analytical chemistry?

A:

Q: Please answer the average and Standard Deviation of each asap. I really need this.thank you

A: Average value and standard deviation given below.

Q: 7. What experimental factors are assumed to be constant in this experiment?

A: (7) Consider the ideal gas equation is as follows;      PV = nRT…

Q: How do you find the standard deviation with these calculations?

A: If n is the number of observations, m is the mean value of all the observation and the set of the…

Q: A student performed the same experiment as you. The following data was recorded in their lab…

A:

Q: The accepted density of Manning is 18.00g/mL. Your lab team measures the density of Manning to be…

A:

Q: Suppose a student completes an experiment with an average value of 2.9 mL and a calculated standard…

A: Range for 1 SD (Standard deviation) is expressed as- Average±SD Where Maximum value = Average + SD…

Q: 4-The density of water at 4°Cs known to be 1.00 g/ml kim experimentally found the density of water…

A: Given the density of water at 4 degree centigrade is 1.00g/ml. Experimental density of water is…

Q: a) The total hardness of this sample b) The percentage error in this sample

A: Topic-- Hardness of water Hardness of water-- The simple definition of water hardness is the amount…

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: zo determined the density of a sample of aluminum.  For his sample, he found the volume was 0.350…

A: To calculate the percentage error in calculation.

Q: Measuring the proportional response of an analyte to things such as light or an electric current is…

A: Option A is correct answer.

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: What kind of mixture of substance has Distillation and Chromatography has?

A: There are different type of separation techniques or methods, which are used to separate the mixture…

Q: The following set of data is given 2; 4; 5; 3; 6; 2; 3 Determine the value of coefficient of…

A: Variance is the average of squared difference from mean. Mean of the given data = =…

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

A:

Q: standard deviation, and relative standard deviation.

A:

Q: based on the data from the experiment, how do i calculate the percentage of error? also, how do i…

A:

Q: In a particular trial, a student got a value for R of 0.071. Calculate the percent deviation of this…

A: In the particular trail the student got the value of R=0.071. The experimental Value of R = 0.071…

Q: % error =  (experimental value - accepted value) x 100                                Accepted…

A: Given : Experimental value = 10.06 cm3  And accepted value = 10.49 cm3

Q: Calculate the percent error when a known value of 5.69 is measured to be 5.85

A: Given,Measured value = 5.85Exact or known value = 5.69Percent error can be calculated as:

Q: A method of analysis yields masses of gold that are low by 0.4 mg. Calculate the percent relative…

A: Percent relative error is calculated as follows; Er=xf-xixi×100% Here xi is the actual mass of the…

Q: This part of the analytical process is usually the most difficult step and the source of the…

A: 1) Choosing a Method  The choice is sometimes difficult and requires experience as well as…

Q: Which information does the pre-exponential factor contain?

A:

Q: viation of 16. Use the 68-95-99.7 Rule to determine the number of observations in the data set…

A: Solution: Number of observations are : 7503

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

A:

Q: 48400 mL – 138.1 mL =                  3400.mg + 25.5g + 35.467g =    in correct sig figs.

A: 48400 ml - 138.1 ml = ?  3400 mg + 25.5 g + 35.467 g = ?

Q: What is the importance of measurements in experimental science?

A: Measurement is perhaps one of the most fundamental concepts in science.

Q: Define the unit of variance?

A: Unit of variance  Variance is the average of the squared distances from each point to the mean.  the…

Q: Why should repetitive measurements always be made, if possible, when performing an experiment.…

A: Repetitive measurements are nothing taking more than trial for single measurement. We have to…

Q: What do you believe was the most difficult part of the experiment?

A: The colligative properties deal with the modification of the properties that pertain to the solvent…

Q: What is the relative error in the determination of a density for which the accepted value is 0.945…

A: Relative error = |accepted value - experimental value|/accepted value

Q: Estimated volume of crucible 25.0 mL  measured volume of crucible 23.0 mL  percent error of…

A: % error=accepted value-experimental valueaccepted valuex100 %