Two students measure and record the volume of the same sample of water in the graduated cylinder shown below. The first student recorded the volume as 16.0 mL and the second student recorded the volume as 16 mL. ml 20 15 10 Which statement best identifies and explains the correct measurement?

Q: least accurate

A: 0.00110 = accuracy till 5 decimal 643.21 = accuracy till 2 decimal ( least accurate) 3.045= accuracy…

Q: The height of a horse is usually measured from the ground to the top of the shoulders. The units…

A: By using conversion factors we can change the height of zebra from hands to centimeters.

Q: Write the number of significant figures in each of the given measurements   65°C  5 mL  10 cm

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

Q: A chemistry student needs 10.0 mL of chloroform for an experiment. By consulting the CRC Handbook of…

A: Given data: The volume of chloroform = 10.0 mL. The density of chloroform = 1.48 g.cm-3. To…

Q: Write the following measurements without scientific notation using the appropriate SI prefix: 4.851…

A:

Q: An athlete runs the mile in 3 minutes, 56.6 seconds. At the same speed, how many seconds does it…

A: Given - Time to run a mile = 3 minutes 56.6 seconds.              1 mile = 1609.3 meter…

Q: Lithium is the least dense metal known (density = 0.53 g/cm ). What is the volume occupied by 2.10 x…

A: We know density = M/V Where M = mass of the metal            V = volume of the metal.  And we are…

Q: What is the mass of 1000cm^3 of gold? The density of gold is 19.3grams/cm^3.

A: The mass of gold is calculated in step two.

Q: A chemistry student needs 40.0 mL of glycerol for an experiment. By consulting the CRC Handbook of…

A: Given  Volume of glycerol = 40 mL  density of glycerol  = 1.26 gram cm-3 or 1.26 gram/cm3 Mass of…

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: A flask is found to have a mass of 115.35 g. A liquid is added to a buret, and the initial…

A: Given,Mass of the flask = 115.35 gMass of the flask and liquid = 141.10 gInitial volume of liquid in…

Q: An Olympic-sized swimming pool must measure 50.0m long, 25.0m wide and be at least 2.0m deep. If the…

A:

Q: Which one of the following substances will float in gasoline, which has a density of 0.74 g/mL? The…

A: A substance will float if it is less dense than the liquid it is placed in.

Q: Mass (g) Height (cm) Diameter (cm) Cylinder A 15.560 5.11 1.20 Cylinder B 35.536 5.90 1.30 In…

A: Volume can be calculated using the following equation.

Q: Decide which of the earlier measurements was the most accurate, and which was the most precise.

A: Accuracy determines that how close a measurement to the accepted value or true value. Precision is…

Q: What type of quantity (length, mass, area, or volume) do each of the following units represent?(a) L…

A: Each quantity has a specific well defined unit.

Q: Convert 9.71 x 10-³ m to the equivalent length in nanometers. 9.71 × 10-3 m = nn

A: Unit conversion involves multiplication or division of numerical factors,  result should be obtained…

Q: A chemistry student needs 80.0 g of dimethyl sulfoxide for an experiment. By consulting the CRC…

A:

Q: Assume you measured an irregular shaped object in a beaker to be 149.167 g, and you know that the…

A:

Q: liquid density dimethyl sulfoxide -1 1.1 g-mL tetrahydrofuran -1 0.89 g mL diethylamine -1 0.71 g-mL…

A:

Q: How many significant figures do the following quantities have? a. 6.420 x 106 mm b. 0.00043210 kg…

A:

Q: Express the quantity 33.2 x 10-min mm. a) 33.2 mm c) 0.332 mm b) 3.32 mm d) 3.32 x 10- mm

A: The meter and millimeter both are units of length. The millimeter is equal to one-thousandth of a…

Q: A chemistry student needs 55.0 mL of tetrahydrofuran for an experiment. By consulting the CRC…

A:

Q: Convert 6.95 x 102 mg to pounds using 1 lb = 453.6 g as a conversion factor

A:

Q: show how to determine and then calculate the volume in both mL and in^3 of 0.325 lbs. of mercury.…

A: density is measurement of compactness or crowdedness. It is calculated by using formula,density =…

Q: 1.04 km to cm

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: A chemist measures the mass of a 9.0 g copper block 3 times and obtains masses of: 8.9 g, 9.0 g, and…

A: Both precise and accurate  Explanation given as follows

Q: (1.7)Write the answer to each of the following calculations with the correct number of significant…

A: In case of addition or subtraction the significant figures in the answers will be in the form of…

Q: hree students (A, B, and C) are asked to determine the volume of a sample of ethanol. Each student…

A: Precision refers to the closeness of the measured value to each other, while accuracy is how close…

Q: Which is the correct measure of density? cm? mass * volume cm cm 00 00

A: Density Density is defined as mass of any substance present in unit volume.

Q: Convert the following to scientific notation 45000 atoms 75.0 x 102 km 0.012100 L 50.600 m 5.773 cm

A: Given values: 45000 atoms 75.0 × 102 km 0.012100 L 50.600 m 5.773 cm We have to convert these…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A:

Q: Use prefix multipliers to express each measurement without exponents.a. 38.8 * 105 g…

A: Prefix multipliers can be described as “the parts of unit which are placed before the actual units”.…

Q: The hydrogen atom has a volume of approximately 6.2 × 10−³¹ m³. What is this volume in each unit?…

A:

Q: A chemist prepares a mixture of ethanol and water at a temperature of 23.0 °C. He measures out 38.5…

A:

Q: Each edge of a 1.0 L cubic container is 10 cm (0.10 m) long. How long is each edge of a 27 L cubic…

A: Given : Two different cubic containers of different volumes are given in the question. let us say…

Q: 1.10 (a) How many significant figures should be reported for thevolume of the metal bar shown here?…

A: Since 2.5 cm has only two significant numbers, the volume is reported in 2 significant figures.…

Q: The proper scientific notation for 0.004050 is:      a. 4.05 x 10-4                b. 4.05 x 104…

A: Scientific notation: The scientific notation of a number is nothing but expressing a number in the…

Q: Explain why standard units of measurement are particularly important to scientists.

A: HERE ARE SOME REASONS:

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: A rectangular solid has a mass of 1.490 kilograms.The solid measures 4.3cm by 10.6cm by…

A: Mass and volume are extensive property while the ratio of both this extensive property is an…

Q: Metric conversions using deminsional Analysis Y 1. 100cm to Km 2. 10kg to g 3. 20,000ml to KL 4. 10…

A:

Q: Convert 6.61 × 10-3 m to the equivalent length in nanometers. 6.61 × 10¬3 m = 6.61103 ×10° nm

A: To convert 6.61×10-3 m to nanometers.

Q: express the answer in standard notation using the correct number of significant figures.

A:

Q: A flask has a mass of 78.23 g when empty and 593.63 g when filled with water. When the same flask is…

A: Mass of empty flask = 78.23 g Mass of flask filled with water = 593.63 g Mass of water in the flask…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: 1km = 1000 m 1m = 100 cm

Q: Q2. The density of a metal is 13.6 x 10 Kg/m³. The density of the metal is- A.13.6 B. 1.36 C. 136…

A: Q2. Density of a metal is 13.6 × 104 Kg/m3 .We have to calculate the density of the metal in g/cm3…

Q: Choose the best conversion of 887.913 to scientific notation with three significant figures. 0.888 x…

A:

Q: A chemistry student needs 70.0 g of dimethyl sulfoxide for an experiment. By consulting the CRC…

A: Given  Mass of dimethyl sulfoxide = 70 gram   density = 1.10 gram.cm-3 or 1.10 gram/cm3 Volume = ?

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.