What is the uncertainty in a measurement of 0.39 mm?

Q: Express the results of the following calculation in scientific notation 0.0121 cm to the power of 2…

A: Scientific notation is a method of writing a very large and small numbers.

Q: c. You make a 100 mL, 1 mM solution of glycine in water using a balance with an uncertainty of 0.1…

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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: what is the measurement, uncertainty, and nuber of significant figures?

A: Interpretation - To explain the measurement, uncertainty and number of significant figures in the…

Q: how many significant figures would my answer have if i devide 94.997grams/10mL?

A: Significant figures- Uncertainty in measured value leads to uncertainty in calculated results.…

Q: When rounding the number 2.348615 to 4 significant figures, what is the correct value?

A:

Q: Use the formulas below and the data in the table to fill in the empty spaces in the table. (Apply…

A: The equations we will be using in filling the tables are  1) Area = Length X Width

Q: The true temperature of a glass of water is 82.01•F. A temperature transducer that generates a…

A: Accuracy and precision is a measurement of how much a value is close to actual Value.

Q: What is the uncertainty of a measurement using a milligram balance?

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Q: How many picograms are in 4.28x10^-11g?

A: We known In 1 picogram =1×10-12 gm so 1gm=1×1012 picogram

Q: A pipet is a type of glassware that is used to deliver a specified volume of liquid. A 5 mL pipet…

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Q: Why are repeated trials of the same measurement desirable

A: Repeated trials means measurement of same  data repeatedly.

Q: Please help me this question! Thank you! "What is the measuring range and accuracy (i.e. how many…

A: Micropipettes are precision instruments that are designed to transfer volumes in the microliter…

Q: What is the volume and thickness of the aluminum foil given 0.405g (mass), 9.5 (length), 9.6…

A: Given:   The mass of aluminum foil is 0.405 g. The length of aluminum foil is 9.5 cm. The width of…

Q: Distinguish between accuracy and precision and between systematic and random error (§1.5) (EPs…

A: Accuracy – How close a measurement is to the actual or expected value. Precision – How close a set…

Q: Which of these measurements was made with the most precise measuring device: 8.1956 m, 8.20 m, or…

A: Precision is a state to which a process or instrument will give exact values repeatedly or we can…

Q: Using your knowledge of metric units, English units, and theinformation on the back inside cover,…

A: a) mm to nm    1 mm= 1mm x10-3m1 mmx 1 nm10-9m    1 mm = 106 nmb) 1 mg= 11000000kg            =…

Q: How does the uncertainty in measurements affects the outcome of an experiment?

A: Error has to do with uncertainty in measurements that nothing can be done about. If a measurement is…

Q: A length of 155 nm can also be expressed as 1.55 x 104 pm 155000 pm O 0.155 pm 1.55 x 10-6 pm

A: 1 nm = 10-9 m 1 um = 10-6 m

Q: Three students use a meterstick with millimeter markings to measure a length of wire. Their…

A: Given: Their measurements are 3 cm, 3.3 cm, and 2.87 cm, respectively   To find: Explain which…

Q: How do the sources of error affect precision and accuracy.

A: The sources of error affect precision and accuracy have to be given below.

Q: The following four measurements were made for an objectwhose true mass is 4.56 g.4.55 g, 4.56 g,…

A: The given values of the measurement are 4.55 g, 4.56 g, 4.56 g, and 4.57 g. The true value of the…

Q: Distinguish between accuracy andprecision and their representations:error and deviation

A: The standard deviation (SD) measures the amount of variability, or dispersion, from the individual…

Q: a. 750 cm to mmb. 1.5 3 108microliters to centilitersc. 0.00055 Mg to kg

A: Unit are the essential part of any measurement made in physics as well as chemistry. There are…

Q: 26. Convert 16557.23mm to m.

A: We will convert 16557.23 milimeter to meter.

Q: How are systematic errors detected?

A: Systematic method error is a kind of systematic error. It will have a different calculated mean…

Q: How many cm3 are in 12mm3?

A: In the given question we have to do a unit conversion of (millimetre)3 to (centimetre)3 . we know…

Q: The uncertainty in the measurement 0.0035 mg is

A: The mentioning of the number of significant figures is quite helpful in determining the uncertainty…

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: Compare the objects and masses from Part III. Which measurement included the highest percent of…

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Q: 6. What is the difference between ACCURACY and PRECISION?

A: Accuracy:The measurement of how close the calculated value to the standard value is said to be…

Q: Why do we use quotation marks around the word true in the statement that accuracy refers to how…

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Q: A person is told that there are 60 minutes in an hour and also that a section of fence is 60 feet…

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Q: What are the examples of Quantitative Chemistry?

A: Interpretation: The examples of Quantitative Chemistry are to be provided.

Q: 2. In part IIA, you calculate the density of a cube using a ruler and a digital caliper to measure…

A: A. Using rular and digital caliper to the side of cube, digital caliper gives highly precise value…

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

A: Percent error can be calculated using the following formula.

Q: 129 120- 110 100 90 80 70 60 50 40 33 4000 2500 cm-1 2000 650 3500 3000 1500 1000 %T

A: There are several functional groups present in the given molecule namely hydroxyl, methoxy and…

Q: (b)        What is the maximum precision offered by the 10-mL graduated cylinder?…

A: There are different types of glassware that are being used while performing any sort of experiment…

Q: [8.47 (+0.06)]3 = absolute uncertainty: percent relative uncertainty: + log [6.56 (+0.05)] =…

A: In this question we have to calculate the absolute uncertainty and percent relative uncertainty.…

Q: what is the thickness of a material that spreads over an area of 600 cm2  and has a volume of 0.25…

A: Thickness: Volume divided by the area gives the thickness of any object.

Q: What is the uncertainty in the measured value 12.37040 after it is rounded to the following number…

A: The location of the last significant figure of a measurement shows the uncertainty. When the…

Q: If the denisty of Platnuim is 19.32 g/cm3 what could the dimnesions of a cube be that weighted 1.00…

A: Here given that, The density of platinum (d) = 19.32 g/cm3  And the mass of the cube (W) = 1.0 kg =…

Q: I measured a line that was 8.4 centimeters which is the same as 3.375 inches. How do I calculate the…

A: The relative percentage error is equivalent to the algebraic ratio between the difference measured…

Q: What type of quantity (length, volume density, etc.) do the following units indicate? Unit Length…

A: Unit is a measurement of an quantity. Without units, a number is not significant.

Q: 1. Approximately, what is the percent uncertainty in the measurement 3.70 + 0.25m? 2. Convert 1.57m…

A: 3.70+/-0.25m this the range is from 3.70-0.25 to 3.70+0.25 i.e. 3.45 to 3.95 respectively the…

Q: What is the fraction used to determine the uncertainty in a measurement?

A: For determining the uncertainty in measurement in terms of fraction  we will consider an example…

Q: level of uncertainty

A: LEVEL OF UNCERTAINITY

Q: If the denisty of Platnuim is 19.32 g/cm3 what could the dimnesions of a cube be that weighted 1.00…

A: