8. A method of analysis yields masses of gold that are low by 0.4 mg. Calculate the percent relative error caused by this result if the mass of gold in the sample is a. 500 mg. b. 50 mg. c. 150 mg. d. 70 mg.

Q: A student calculated the density of isopropyl alcohol to be 0.688 g/mL. The accepted density for…

A: Given data: Experimental density value = 0.688 g/mL, Accepted density value = 0.786 g/mL. The…

Q: (i) The maximum error in each mass measurement using the balance is ±0.005 g. Calculate the…

A: Cr=19.5152=0.375Cl=39.9635.5=1.126H=4.511=4.51O=36.0216=2.25Whole No. ratios,Cr=1Cl=3H=12O=6So the…

Q: 30. The density of the element iridium is 22.65 g/cm³. What's the mass of iridium that occupies a…

A: Given information, Density of iridium = 22.65 g/cm3 Volume = 7.35 mm3 = 7.35*10-3 cm3  (As 1mm =…

Q: 103. A thief uses a bag of sand to replace a gold statue that sits on alweight-sensitive, alarmed…

A: Note: According to the guidelines, solution of question number 103 has been done. For the expert…

Q: Mercury has a density of 13.60 g/cm3. What’s the volume of 2.4 mole of mercury?

A: Given: The moles of Hg, (n) =2.4 moles. The density of mercury, (ρ) = 13.60 g/cm3

Q: A cylindrical glass tube 20.0cm in length is filled with acetone. The mass of the acetone to fill…

A: Mass of the filled acetone is 13.33g. The length of the glass tube is 20.0cm.

Q: A proton has a radius of approximately 1.0×10−13 cmcm and a mass of 1.7×10−24 gg. Determine the…

A:

Q: 7. Average human body temperature is 37 °C or 310 K, and at that temperature oxygen is a and water…

A: The given blanks has to be filled with correct one.

Q: A cylindrical glass tube 20.0 cm in length is filled with acetone. The mass of the acetone to fill…

A:

Q: Observer (a) Observer (b) CI, Observer (c) (d) Observer (e) (f) Observer Observer Br

A: Newman projection visualizes the conformation of a chemical bond of alkane from front to back, with…

Q: A large piece of jewelry has a mass of 132.6 g. A graduated cylinder initially contains 48.6 mL…

A:

Q: Rule: When we add or subtract numbers, we should round the result to the same number of decimal…

A: The answer for addition or subtraction of numbers with decimals is expressed as the decimals that…

Q: Aluminum has an atomic radius of 0.1431 nm and weighs 26.9815 g/mol. Compute for its density

A: Given : Atomic weight of aluminium = 26.9815 g/mol. And radius of aluminium atom = 0.1431 nm =…

Q: Round 20.56120 g to three significant figures.

A: Given that : We have to Round 20.56120 g to three significant figures.

Q: lece of iron [c = ure of 57.0 °C and then placed Og piece of copper [c = 0.385 nsulated container.…

A: Given,  Mass of iron = 208 g Heat capacity of iron = 0.449 J/g-°c Mass of copper = 180 g Heat…

Q: A piece of aluminum foil has a known surface density of 15 g/cm2. If a 100-gram hollow cube were…

A: Given: Surface density is 15 g/cm2. Mass is 100 g.

Q: How do I round 199.887 to thrtee decimal places?

A: Welcome to bartleby ! We have to round off to three decimal place .

Q: A blood sample of 3.41 milliliters is collected from a patient to be nalyzed for a platelet count.…

A: Given that human blood has 1.04 kg/l platelets. And we have blood 3.41 ml

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

A:

Q: d. What is the boiling point of potassium in °F? e. What is the boiling point of potassium in…

A: Boiling point is the temperature at which a liquid changes to vapour phase.

Q: What is the average time of sunrise

A: Given : Different times of sunrise  To find : average time of sunrise  Solution : As we know that,…

Q: Q16. What is the mass % of A) 60%A, 10%C C) 30%A, 20%B components A, B and C at the point x? B) 10…

A: Given is a ternary phase diagram, also called the Gibb's phase triangle, consisting of three…

Q: Find the mass of 8.634 cm3 of an oil having a density of 0.7844 g/cm3

A: As density of oil is given 0.7844 g cm-3.The density of any substance is relationship between its…

Q: Obtain and record the length and width of a rectangular piece of aluminum foil. length 17 cm…

A: Density = mass (g) / volume (cm3) 2.70 = 0.5346 g / Volume  Volume = 0.5346 /2.70 =0.198 cm3  Hence…

Q: A student determined that the density of a sample of tin is 8.00 g/mL, when the actual density of…

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

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 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: A Rectangular titanium soild weighs 152.213 g and measures 7.50cm by 3.00 cm by 1.50cm. Refer to…

A: Given : Mass of titanium metal = 152.213 g And the dimensions of metal = 7.50 cm by 3.00 cm by 1.50…

Q: Volume Mass Density Dime 0.34cm3 6.6706 g/cm3 Penny 0.4332cm3 5.77 g/cm3 Quarter 0.81 cm3…

A: Given, Mass density (ρ) and Uncertainty in mass density (ẟρ) is given in the question.

Q: What is the ln of 1/time of the time is 449.7 seconds?

A: Given,t=  449.7 seconds

Q: --------------------------------------------------------------------------       RELATIVE…

A: Object     Relative Uncertainty in mass δm/m(%)      Relative Uncertainty in Diameter δd/d (%)…

Q: Part B 125. ft to cm Express your answer using three significant figures. L2 = %3D

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: A 76.00 pound flask of mercury costs $133.50. The density of mercury is 13.534 g/cm3. Find the…

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Q: Random error, also c

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Q: A spherical steel ball has a mass of 3.475 g and a diameter of 9.40 mm. What is thedensity of the…

A: Given: mass = 3.475 g diameter = 9.40 mm = 0.940 cm radius = 0.47 cm

Q: Calculate the average mass for the given data set. Trial Mass 1 2.5461 2 2.5008 3 2.4699 4 2.4687 5…

A:

Q: CI CI (d) Observer

A: Here we have to write Newman projection of the following given molecules.  It is method to represent…

Q: Mercury is traded by the “flask,” a unit that has a mass of 34.5 kg. Determine the volume of a flask…

A: Any solution's density exhibits the available mass of particular substance/compound into unit…

Q: L Using your textbook or othor resouce, write the accepted relationship between the inch and the…

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Q: A piece at metal with a mes of 125 g n placed into a grahatest cyinder that conta 25 ofw ing the…

A: Using the Formula of density we can solve this problem.

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: What is the importance of measurements in experimental science?

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

Q: How many ft/second in 0.600 km/min? hint: 1km 0.6214 mile and 1 mile = 5280 ft hint: Remember to…

A: Given : 0.600Km.min-1 = ?ft.sec-1

Q: Perform the following calculations and round your answer correctly: a. 345 + 22.5 =  b. 22.5 -…

A: These are simple mathematical operations  Addition and subtraction respectively.  Which can be…

Q: c. 0.756 g/mL to ng/L d. 9.647 x 10 nm/s to m/yr (Assume that the year is 2022).

A:

Q: The area of an object is calculated from experimental data to be 24.6623 cm2. The t absolute error…

A: