Q: least accurate
A: 0.00110 = accuracy till 5 decimal 643.21 = accuracy till 2 decimal ( least accurate) 3.045= accuracy…
Q: Use scientific notation to express each quantity with only base units (no prefix multipliers).a. 4.5…
A: Units of measurement- SI prefixes are used to prepare decimal multiples. SI prefixes are tabulates…
Q: Which of the following measurements has the correct significant figures for a graduated cylinder…
A: Which of the following measurements has the correct significant figures for a graduated cylinder…
Q: A 10 mL graduated cylinder has a height of 7.12 inches. Convert height in cm
A: Given, Height of cylinder = 7.12 inches
Q: The given graduated cylinder is calibrated in milliliters (mL). Determine the volume of liquid in…
A: Note that each bigger marking in the graduated cylinder is marked by numbers separated by 10 mL.…
Q: conversion factor
A:
Q: convert 63.10 kg to grams. use only the metric system
A:
Q: Convert each measure to the equivalent metric unit. 1. 8 cm = ____________mm 2. 7 km =…
A: 1. We know 1 cm = 10 mm ,so 8cm = 80 mm. 2.since 1 km = 1000 m , 7 km = 7000m . 3. Since 1kg = 1000…
Q: List 5 conversion factors or standard equivalent quantities for the ff: a. length b. time c. mass d.…
A: Conversion factors: A number is used to express one set of units into another.
Q: EMENT AND MATTER Counting significant digits when measurements are added or... Add or subtract the…
A:
Q: Complete the following statements: There are centimeters (cm) in 1 meter (m). There are millimeters…
A: As you not specified so I am giving answer of first 3 statements 1meter=100centimetre…
Q: Add or subtract the following measurements. Be sure each answer you enter contains the comect number…
A: Significant digits are digits that are important or meaning in the measurement as they lead to…
Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct…
A: Rules for Addition and Subtraction : When adding or subtracting , round the answer to the least…
Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct…
A: The given measurements are: 18.72 mL-3.6 mL9.727 mL+3.80 mL17.670 mL+14.8 mL
Q: The most appropriate measurement for this block is: '1 4 5 6 7 10 cm O 3.95 cm O 4.00 cm 4.0 in O…
A: What is the measurement of the block?
Q: 5. Write down a volume reading for each graduated cylinder below. Be sure to determine the last…
A: In the graduated cylinder, the bottom of meniscus is used to determine the volume of a liquid.
Q: Your answer should have the same number of significant figures as the starting measurement. 872.4 mm…
A: Significant figures are the number of digits that are used to express a figure, starting from a non…
Q: Measuring Device 100-mL Beaker 100-mL Graduated Cylinder Volume Measurement # Significant Figures
A: From the given picture we have to tell the measured volume and the number of significant figures.
Q: Give the measurements for the 10 and 100 ml graduated cylinders shown. 60 50 10 ml 40 30 20 10
A: In the measurement for the cylinder, we consider only the lower line of the filling substance.
Q: How to convert the measurement to the desired unit using the given conversion factor below? 22.02…
A: Given Measurement in cm = 22.02 cm Measurement in inch = ?
Q: Arrange the measurements from longest length to shortest length. Longest length Shortest length…
A: According to the unit conversion; 1 Yards=0.9144 m1000 yards=914.4 m1 in=0.0254 m1000 in=25.4 m100…
Q: 0.3 mL Oa. Ob. 0.2 mL 0.29 mL C. d.0.35 mL
A: The given burette contains solution with the burette reading between 0.3 and 0.4 mL.
Q: Translate each number into standard notation, maintaining the same number of significant figures.…
A: Translate each number into standard notation, maintaining the same number of significant figures ---
Q: Determine the number of significant figures in each of the following measured values. Measurement 1…
A: Significant Figures: All non-zero numbers are significant. Zeros between two non-zero digits are…
Q: Which of the following is a proper conversion factor ? a. 1g = 1000 mg b. 1g = 1000 mcg c. 1g…
A: Units are required to measure the quantities.
Q: Convert 10.0 kg/cm2 to lb/in2
A: Given: Value in Kg/cm2 = 10.0 Kg/cm2.
Q: 3.32 x 10- g to micrograms Express your answer to three significant figures and include the…
A: Given : Value in grams = 3.32 X 10-5 g
Q: What is the correct reading for the graduated cylinder in the close up? Make sure to report your…
A: The correct reading of a graduated cylinder is always measured from the lower meniscus. So, the…
Q: An unknown sphere that weights 5g is carefully placed in a graduated cylinder with 20 mL of water.…
A: On the addition of sphere, the volume of water increases. The volume of water increases from 20 mL…
Q: cm 1. The most appropriate measurement for this piece of peppermint stick would be: Select one: а.…
A: The precise measurement for any instrument depends on the scale of that instrument.
Q: Convert the following measurement. * -0 m cm 7.9 x 10 !! S ms
A: 100 cm = 1 m 1000 ms = 1s
Q: Use the prefix multipliers to express each measurement without exponents.a. 1.2 * 10 - 9 m…
A: Prefixes are used to express the number in different units. a. The given number is 1.2×10-9 m. One…
Q: The given graduated cylinder is calibrated in milliliters (mL). Determine the volume of liquid in…
A: Interpretation- To determine the volume of the liquid in the graduated cylinder and then report it…
Q: Read the water level with the correct number of significant figures. 5- 2- mL 5.3 mL 5.32 mL 5.3200…
A: Form, the given picture it is clear that up to 5.3 mL is filled with water. 5.32mL, 5.320mL,…
Q: 3 6. 7 8. 9. 10 11 12 mm 41 1.
A: Significant figures- Uncertainty in measured value leads to uncertainty in calculated results.…
Q: 20 15 40 mL
A: We have asked to record the reading on measuring cylinder with correct significant figures.…
Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct…
A: Significant figures are all the digits in a measurement that are known with certainty. Rules for…
Q: The accepted density for copper is 8.96 g/mL. Calculate the percent error for each of these…
A: The percent error for given measurements has to be given.
Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct…
A: In order to find the solution to the given problems, we need to perform the given operation and…
Q: Which of the following measurements has the correct significant figures for a graduated cylinder…
A:
Q: If you needed to measure 10.0 mL of water, which of the following instruments would be the best…
A: Measuring objects are used in experimental lab to obtain an accurate measure of the substance being…
Q: 10² ²² ) - 0 = ² = H). dL mL (-7.8 × 10³
A:
Q: Given a measurement of 21.43 mL, describe the error associated with this value. Does it have more…
A: The error in measurement means that the variation between the values of the measured value and…
Q: What is the correct representation of 702.0 g in scientific notation?A. 7.02 × 1 0 3 gB. 70.20 × 1 0…
A: Scientific notation is a way of expressing numbers that are too large or too small to be…
Q: Read each measurement to the correct number of significant figures. Laboratory glassware should…
A: a) The number of significant figures in first figure is 1 . The line lies between 70 and 80. The…
Q: What is the uncertainty of the ruler below? Centimeters 0.0 cm 2 0.00 cm 0.000 cm 0 cm 3 9 10 11 12…
A: The uncertainty is defined as the imprecision in the values measured using a device.
Q: Measuring Device 100-mL Beaker 100-mL Graduated Cylinder Volume Measurement # Significant Figures
A: When we use the colourless solutions like water are filled in a measuring cylinder or burette , it…
Q: A person weighs 154 pounds. Convert this to kilograms
A: Given :- weight of a person = 154 pounds or lb To convert :- lb to kg
Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct…
A: The number of significant figures in the product of the calculation is the minimum number of…
Step by step
Solved in 2 steps
- Express 20,000ppb as a percentage strength A. 2% B. 0.02% C. 0.00002% D. 0.002%0.2 to 1.0 mg/ml: For each concentration, a volume of 1.0 mL should be prepared. How will you prepare these standards using micropipettes and which one would you use? There is a: 0,5-10 microliter pipette; 2-20 microliter pipette 20-200 microliter pipette 100-1000 microliter pipette.how would I start a Dixon Q test with 3 variables: Initial Volume (mL) 0.2 0.1 0.1 Final Volume (mL) 17.5 17.1 17.0
- Mean, standard deviation, Coefficient variable, and 95% confidence limits of aspirin in mg *0.3090g *0.3030g *0.3023gDescribe the differences between gravity and vacuum filtration.What is the “taring” function of the digital electronic balance? Why do you need to “tare” the digital balance before use?
- (6.65x10^5)/(6.60x10^-6) (3.73x10^8) Please Calaculition. Only typed solutionChemistry Fraction no. Elution Vol. (mL) Abs (λ = 410) Fraction no. Elution Vol. (mL) Abs (λ = 410) 1 (PB pH 6.0) 1 0.0050 11 11 0.0041 2 2 0.0032 12 12 0.0060 3 3 0.0040 13 13 0.0064 4 4 0.0064 14 14 0.0063 5 5 0.0067 15 15 0.1109 6 6 0.0067 16 16 2.8902 7 7 0.0050 17 17 0.8500 8 (PB pH 8.0) 8 0.0049 18 18 0.2019 9 9 0.0052 19 19 0.0378 10 10 0.0050 20 20 0.0073 Use the data above to plot an elution profile, in which the absorbance is on Y-axis, and elution volume (volume = fraction number) is on X-axis. The elution profile must indicate at (1) which point the pH change occurred, (2) the fraction(s) which contain the highest myoglobin content, and (3) the maximum absorbance detected.From the data please calculate: a) an average number of plates from the data b) the standard deviation for the average in a) c) an average plate height for the column