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Q: It is often necessary to do calculations using scientific nc each of the following calculations.…

A: Rules for determining the number of significant figures in an answer :   The result of an addition…

Q: What factors determine the mass of a gross sample? (Select all that apply.) Othe technique used for…

A: b) the degree of heterogeneity of the wholec) the level of particle size at which heterogeneity…

Q: Material Sample 1 50.00ml Initial volume of wator (ml) 60.00ml Final volume of water (ml.) Volume of…

A:

Q: Calculate the percent error. true value- 0.100 experimental value- 0.096

A: Percent error is the difference between the estimated value and the actual value in correlation to…

Q: When you have the bond H-CI, what is the polarity?

A: Polarity is a separation of electric charge leading to a molecule or its chemical groups having an…

Q: The number 39.00671 rounded to 3 significant figures is: The number 801.0013 rounded to 5…

A: The question is based on rounding of the given numbers using significant figures

Q: Data we gather in the experiment Identity of metal Tin MEASUREMENT VALUE  Mass of metal, (g)…

A: Specific heat capacity of the metal sample can be measured by calculating the heat gained by water…

Q: To determine the organic material in a dried lake bed, the percent carbon by mass is measured at two…

A: The explanation is given below-

Q: 1. Calculation of the Average, Percent error, Standard deviation, and Relative standard deviation.…

A: For the given set of data, we have to calculate the average, percent error, standard deviation and…

Q: 0.044 is a good

A: Standard deviation --- standard deviation is statistics that measures the dispersion of dataset…

Q: If the readings are 2 3 4 the average deviation is----- O 5.33 O 3.34 O 2.44 0.66

A: Calculate average deviation of the data, 2,3,4

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: PRELABORATORY EXERCISE: 1. Compare and contrast accuracy and precision.

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: Balances 1. Determine the mass of a nickel on two different analytical balances and two different…

A:

Q: Trial 3 (Table 5) Slope __ Reciprocal Slope ________________

A: Slope formula =y2-y1x2-x1 y1 = 213 s y2 = 247 s x1 = 10 mL x2 = 12 mL Slope = 247 - 21312-10 =342 =…

Q: A 130.3 g piece of copper (specific heat 0.38 Jig. C) is heated and then placed into 400.0 g of…

A: We know that, according to the law of conservation of heat energy, energy gained or loss by the…

Q: The primary standard substance must be less equivalent weight (or molecular Wt. ) False True

A: Primary standard substance are used to standardized the secondary materials or solutions which is…

Q: Mass of the original sample of mixture (g) 1.547 Mass of recovered naphthalene (g) 0.511 Mass of…

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

Q: Ka value of Alluminium nitrate

A: AlNO33 is a salt of weak base and strong acid. It dissociates in solution as follows: Al(NO3)3…

Q: A puzzle cube has a volume of 187 ml What is the volume of the cube in in

A:

Q: Average and standard deviation based on "Using the Balance" Data pt. Deviation, (di) (Xi — m) Xi 2 1…

A: We are given all data points, and we have to find the mean and standard for each set of data.  Mean…

Q: Question 5: Here is some data from the standardization of an HCI solution (a) calculate the standard…

A: HCl concentration, [HCl] values are given for different trials and we have to find standard…

Q: volumertic and non-volumetric quantitative analytical menthods

A: Volumertic and non-volumetric quantitative analytical methods.

Q: find the average deviation for each sets of measurments a) 21.8, 22, 21.5 b) 17.70, 17.70, 17.70 c)…

A: Average deviation can be calculated by using the following formula:where m(X) = average value of…

Q: Test for PO, ion If no I ion is present, to a new known test solution, you will add drops of 0.5 M…

A: A straightforward subjective strategy to decide the presence of phosphate particles in an example is…

Q: What is the uncertainty in the following centimeter ruler ? 1 2 3 4 5 6 7 8

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Q: What is the median of the values 6.12, 7.00, 7.59, 4.11, 5.00, 5.02, and 9.56?

A:

Q: In lab, your spectrophotometer has a maximum detection limit of 1.1 M. The solution you want to…

A: Given: The original concentration of the solution = 3 M The volume of the original solution taken =…

Q: 3) For the results, discuss the significance of the following in terms of accuracy or precision: a)…

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Q: Lim Vy +x -2

A: All things are provided in given solution..

Q: Table 4.3 (data)Unheated sample Heated sampleSample color_______________ ____________Result ofadding…

A: The unheated sample (copper carbonate) is blue in colour and when it is heated thermal decomposition…

Q: QUESTION 2 Mass of Volumetric Flask: 65.6734 Temperature of Water: 23.6 °C Density of Water Sample #…

A:

Q: For the data set, calculate the mean, standard deviation, and variance. mean: \table[[Sample, Value…

A:

Q: Which of the ff. is an steps will remove occluded nitrate in a filtrate of barium sulfate? digestion…

A: Please find your solution below : Occlusion is the process of inclusion of one substance with…

Q: Perform the calculation and record the answer with the correct number of significant figures.…

A: We have been given a calculation and we have been asked to perform given calculation and record the…

Q: Increasing the number of measurements will decrease the standard deviation increase the systematic…

A: Error formula is the absolute value of the difference of the measured value and the actual value…

Q: Cancel RESET The Ka of hydrofluoric acid, HF, is 7.1 x 10-4. Calculate the Kb of the fluoride ion,…

A: Answer of the given question is given in below section.Explanation:Step 1:

Q: What volume in of a 0.32 M Mg(NOs)2 solution contains 45 g of Mg(NOs)2 ?

A: Given data,  Molarity of Mg(NO3)2 = 0.32 M  Given mass of Mg(NO3)2 = 45 g

Q: Trial 1 Tria AVERAGE DENSITY OF METAL g/cm? STANDARD DEVIATION g/cm Sample number nono

A: Given: The densities of metals which are given in three trials are 9.420, 9.949 and 9.924 g/cm3.  To…

Q: The distance between a carbon atom (m = 12 u) and an oxygen atom (m = 16 u) in the CO molecule is…

A: Mass of Carbon atom = 12 uMass of Oxygen atom = 16 uThe distance between carbon and oxygen atoms in…

Q: CGHIIND 59811 180 C5H6N2 ||| 150 IL 160 170 C8H803 67032 140 62346 140 130 120 110 100 90 160 150…

A: Step 1: Introduction about DEPT DEPT Distortionless Enhancement in Polarization Transfer  DEPT is…

Q: From Experiment Correct Value % error Cs,metal |(J/goC) 0.2335 0.400

A: The given data is :

Q: Diameter (om Helght (cm) Mass (a) Density (g/cm) Object A 1.17 2.39 3.612 Object B 1.19 2.10 3.306…

A: by any programming language you can do it easily

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.