Calculate the error and percent error

Q: Say you glued two samples together; a 4.60 gg  sample of acrylic with a density of 1.11 g/mLg/mL…

A: It is given that: Mass of acrylic sample (m1) = 4.60 g Density of acrylic sample = 1.11 g/mL Mass of…

Q: The mass per unit volume of a pure substance is defined to be its density. Calculate the volume of…

A: Given Mass = 4.1 kg  Density = 489 g/L

Q: At 20oC 25.0 ml of concentrated nitric acid solution was found to have a mass of 32.503 g. What is…

A: Given, Volume of Nitric acid = 25.0 ml Mass of nitric acid = 32.503 g

Q: NaOH buret 2nd reading 29,45 32.05 NaOH buret 1st reading 0,02 mL 0.01 mL Slighty derker pinh Light…

A: Formula used : RSD = s ×100x¯ where, RSD = Relative Standard Deviations = Standard Deviation x¯=…

Q: 2. The densities of Methane at °C were measured at several pressures with the following results:…

A:

Q: Could you express your answer as a conversion factor please? This answer makes no sense as Chem101…

A: To Provide the final answer in the format of conversion factor.

Q: A student estimated that the volume of a cruicable was 28.6 mL. When the volume was accurately…

A: To check the % error , the given formula is -

Q: • Part D Hg (1) + HgCl, (aq) → Hg,Cl2 (s) Express your answer using ftwo significant figures. ΑΣφ ?…

A: The given reaction, Hg(l)+HgCl2(aq) → Hg2Cl2(s)

Q: or the following results:  1.87 g/mL, 1.96 g/mL, 1.88 g/mL, 1.85 g/mL.  If the actual value for the…

A: The approximation error in some data is the discrepancy between an exact value and some…

Q: If the thermometer used was reading 0.1 degrees too high on all measurements, what effect would it…

A: Thermometer is used to measure the temperature of the reaction/body, etc.

Q: Calculate the percent error of the density of ethanol is measured to be 0.73 g/mL (true value is…

A: The formula for percent error (PE) is - PE = (| MV - TV |)/ | TV | Where, MV = measured value…

Q: Method Mass (g) Veylinder Veylinder (mL) Deylinder (g/mL) % error Digital Calipers Water mm mL…

A:

Q: How do I do these calculations while giving the answers in scientific notation with the correct…

A: Two questions based on significant figures, which is to be accomplished.

Q: What is the percent error for question number 5?

A: The formula used to calculate the percent error is as follows,

Q: The quality control pharmacist is testing for uniformity of tablet diameter set at 12.20 mm. These…

A:

Q: Explain the difference between random error and systematic error.

A: A mistaken result or false result obtained in an experiment or study is termed as error. Error is…

Q: 1. The mass of a 45.750 g piece of copper is measured three times on two different balances with the…

A:

Q: The following errors in procedure will affect the experimental result. Explain how wach action…

A: Hello. Since the question contains more than three subparts, the first three subparts shall be only…

Q: 8.3m x 4.0m x 0.9823m  = 32.61236 m^3   Explain why and how you would make the answer 2 sig. Figs.

A:

Q: Explain the difference between: d. absolute and relative error e. population mean and sample mean…

A: Explain the difference between: d. absolute and relative error e. population mean and sample mean f.…

Q: For a set of 4 measurements, the precision of the data is calculated by: a. Standard deviation b.…

A: For a set of 4 measurements the precision of the data is calculated by

Q: With these values, calculate the percentage purity.

A:

Q: While doing a lab, a student found the density of a g/cm. The accepted value for the density of…

A: According to the question,  Measured density of pure aluminum = 2.85g/cm3 Accepted value for the…

Q: 4. Calculate the error and percent error of a sample of water using the following data: the actual…

A: we know ,  Error = Experimental  Value-theoretical Valuetheoretical Value    Given ,…

Q: With these values, calculate the percentage purity. the mass of empty cylinder = 40.8g…

A:

Q: A student estimated that the volume of a crucible was 28.6 mL. When the volume was accurately…

A: percentage error is given by  % error = (experimental value - actual value ) X 100 / actual value.

Q: . . is the difference between the value of a quantity as measured and the accepted value of the same…

A: In the given question we have to define the define error and relative Error. Error is the difference…

Q: Part F. Unit Conversions Direction: Determine what is asked in the following problems, all final…

A: Answer: Unit is used to measure a physical quantity.

Q: The density of a pure substance is its mass per unit volume. The density of ethylene glycol has been…

A: given density = 1097 g/L volume = 205 ml

Q: A method of analysis yields weights for gold that are low by 0.3mg. Calculate the % relative  error…

A: We need to determine the percent relative error.

Q: The standard definition of a quart is equal to 947 mL. Calculate the percent error of a student's…

A: Given  Actual value of quart=947 mL The measured value of quart=938 mL Percent error has to be…

Q: What device can we use to measure 0.0050 mL of a liquid?

A: 1 ml = 1000 micro litres  0.0050 ml = X micro litre  X ×  1 ml  = 0.0050ml ×1000 micro litre X   =…

Q: Weight of coin 1 (g) 11.4286 Weight of coin 2 (g) 11.4633 Weight of coin 3 (g)…

A: Solution -

Q: [H*] [OH"] pH pOH 1. 32. 9.5 | 33. 4. 35. 36. 8.1 7. 38. 6.9 39.

A:

Q: A method of analysis yields masses of gold that are lower by 0.40 mg. Calculate the percent relative…

A: The percentage relative error is percentage discrepancy in finding out the exact value of a…

Q: Which of the following is NOT true about constant weighing in the experiment? It involves a cycle of…

A:

Q: What is the value of the exponent in the answer? 104 (10')(10-7) 12 O 10 O-2

A: We are given the following exponent:

Q: A class of chemistry students measured the density of an unknown liquid. If the correct density of…

A:

Q: llowing calculations. Round each result so that it contains only significant digits. The mbers in…

A: Solution -

Q: If the thermometer used was reading 0.1 degrees too high on all measurements, what effect would it…

A: Molar heat of fusion: Heat required to convert 1 mole of substance from solid to liquid state. Heat…

Q: With these values, calculate the specific gravity.   the mass of empty cylinder = 40.8g mass of…

A: Given: Experimental density of substance = 1.828 g/mL. And density of water liquid = 1.00 g/mL.

Q: over a course of multiple trials a student measures the density of methanol to be 0.707 g/mL, 0.799…

A: Average density is the mean of all the densities i.e. ( sum of all three densities / 3 )  .…

Q: If the density of ice is 920kg m-³,convert this value to g cm-³.

A: The given data contains, density of ice = 920 kg m-3.

Q: Need to verify the significant figures in these mass measurements and subsequent calculations using…

A:

Q: An analyst weighs the same tablet three times on a well calibrated analytical balance and obtains…

A: Environmental changes, such as in temperature or humidity. Exposure to harsh conditions, such as…

Q: A loss of 0.4 mL of Zinc occurs in the course of an analysis to determine that element. Calculate…

A: Given that in an experiment involving Zn there is a loss of 0.4 mg of Zn. We need to calculate the…

Q: Using the following mass standard data, calculate the Rx value. mass of mass of area of area of…

A: Answer - Rx value - It is defined as the ratio of the distance travelled by the compound at its…

Q: Based on the given data, what is the Àmax of copp 0.1 M Copper 300 0.157 325 0.233 350 0.465 375…

A: Given : We have to tell lambda max for 0.1 M copper.

Q: The pharmacist weight 800 mg of a substance on a balance of dubious accuracy. When checked on a…

A: Percent error is defined as the ratio of absolute value (modulus) difference of true value and…

Q: The mass of a compound is taken 5 times with the following results: 26.6mg, 26.3mg, 26.2mg, 26.4mg,…

A: First, the mean of the given result is determined.