Perform the following calculations and round off the answers to the proper number of significant figures. Report answers in scientific notations.

Q: Carry out the following operations and express the answer with the appropriate number of significant…

A: Since we know that When we add or subtract  , we assign significant figures in the answer based on…

Q: I. Determine the number of significant figures in the following items. 1. 8.314 g 6. 240 cm 2. 5.008…

A: Given,  5. 25 stirring rods 6. 240 cm  9. 37.00 ml

Q: III. Perform these calculations and express the result with the proper number of significant…

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Q: Perform these operations in scientific notation with the appropriate number of significant figures.…

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Q: 3. Perform the following calculation and report the answer to the proper numbers of significant…

A: a) 14.5 + 0.023 = = 14.523         b) 13.265 -2.065 = = 11.2

Q: A brick of metal has these dimensions:  7.07 in  x 9.20 in x 7.15 in.  It has mass 8.1 kg.  What is…

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Q: A chemistry student needs 15.0mL of tetrahydrofuran for an experiment. By consulting the CRC…

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Q: Perform the following calculation: -0.0060 cm3 + 1.0042 cm3 What is the answer to the calculation…

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Q: Do the indicated arithmetic and give the answer to the correct number of significant figures. I.…

A: Calculation go correct significant digit, II. 0.71 + 92.2 = 92.91 = 92.9 Result will be always…

Q: Indicate the number of significant figures in each number. If thenumber is an exact number, indicate…

A: a) 305,435,087 (2008 U.S. population) - unlimited number of significant figures This is the…

Q: 9. Lithium is the least dense metal known (density: 0.53 g/cm^3). What is the volume occupied by…

A: Density :- Density of a substance is its amount of mass perunit volume . So , density is the…

Q: 5-Perform the following calculation and report the result to the correct number of significant…

A: There are two rules of significant figures that are involved in calculations : a) The rule in…

Q: a) 0.20 m to mm m to cm to mm 0.20100 c X ----- 1 17 X 10 mm 197 0.20 x 100 x 10 1 mm = 200 mm = 2.0…

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Q: (5.985 mmmm )(7.3 mmmm ) Complete the operation and express the answer with the appropriate number…

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall be…

Q: If a weight has a mass of 33.434 grams and a volume of 4.87 cubic centimeters, what is the specific…

A: Density of water = 1 g/cm3

Q: snip

A: The no. of significant figures in a reported value is the no. of digits that are known with…

Q: Carry out each calculation and report the answer according to the correct number of significant…

A: Carry out each calculation and report the answer according to the correct number of significant…

Q: A wood block has a volume of 52 cm^3 and has a density of 67.2 g/cm^3. Calculate its mass

A: Given, Volume of wood block = 52 cm3 Density of wood block = 67.2 g/cm3 Mass of wood block = ?

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: Perform the following calculations and report the answer with the correct number of significant…

A: Addition and subtraction Here, in this case we round the answer to the same number of decimal places…

Q: The density of bromine is 3.1g/cm^3. What is the mass of 17.20cm^3 of bromine with the correct…

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Q: Perform the following calculations and be sure to report your answer using correct number of…

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.…

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

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Q: Carry out the following operations and express the answerwith the appropriate number of significant…

A: Significant figures in chemistry are the values which are used for resolving the measurements. These…

Q: Carry-out the following mathematical operation and report your answer to the proper number of…

A: First solve for brackets and then Division, Multiplication and Addition according. ◆ First Open the…

Q: How to properly use significant figures in this case? Ccal = (-ΔHrxn x nLR)/ΔT Ccal = (-55.85…

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Q: A chemistry student needs  85.0mL  of acetone for an experiment. By consulting the CRC Handbook of…

A: Find mass of acetone with the help of mass density farmula

Q: (7.90× 10-) (1.87 × 10*) x 10*) = 10°). 8.09 x 10-4 9.17 x 10° – 1.87 × 105 (3.19 x 10°) (9.17 ×…

A: First we  need simplicity of power after it we do our complete calculation.

Q: Perform the calculation and record the answer with the correct number of significant figures.…

A: Answer of this question is given below,

Q: (4.4 x 10⁻⁷)(6.1 x 10⁻³)   (9 x 10⁶)(8 x 10⁻⁴)   (5.3 x 10⁻³) + (6.8 x 10⁻¹)

A: In scientific notation values are expressed from 1 to 10 to the power of 10

Q: 1. Calculate the density of lead (in g/cm3) if a rectangular bar measuring 0.500 cm in height, 1.55…

A: (1) Density is ratio of mass and volume of a Substance. It can be written as - Density = mass/volume…

Q: 6. Perform the following calculations and report each answer with the correct number of significant…

A: Significant figures are the figures that are required to represent the accuracy of decimal numbers.…

Q: Carry out the following calculations, making sure that youranswer has the correct number of…

A: Significant figures:   Significant figures /digits are the numbers that have proper significance to…

Q: 3. Perform the following calculation and report the answer to the proper numbers of significant…

A: In multiplication and division, a measurement with low significant figures can decide the answer.

Q: Balloon Balloon Balloon Temperature (°C) Tube Circumference Circumference Circumference (Uninflated;…

A:

Q: Be sure to report answers with the correct number of significant figures.   Length:3.55 cm…

A: Given :  Volume of aluminum foil (cm3):0.124 cm3  Length of aluminium foil = 3.55 cm  Width of…

Q: The output of a plant is 4335 pounds of ball bearings per week (five days). If each ball bearing…

A:

Q: 4- Perform the following calculation and report the result to the correct number of significant…

A: The correct option is D i.e 2.8  as we significant upto 2 decimal places then 2.81690 = 2.8

Q: Perform the following calculation and round answer to the correct number of significant figures?…

A: Calculations Involving Significant Figures :- Rule (1)When addition or subtraction is to be carried…

Q: use all applicable rules of sig figs and rounding to determine the answers:

A: 0.53 x 12.3 x 1.321 = 14.151 All the non zero numbers are significant figures. so Total significant…

Q: An object with a mass of 0.255 kg and density of 2.89 g/cm3 measures 34 mm in length and 46 mm in…

A: Given : Mass = 0.255 Kg = 255 g…

Q: Perform the following conversions. You must use dimensional analysis and put your answer in…

A: Here by using unit and dimensional analysis we have to solve the following conversions. For this we…

Q: density of the cube in g/cm^3? Write in decimal form

A: Side length of cube(a) = 13.1 mm = 1.31 cm  So, volume of Cube(V) = a3  V = (1.31)3 = 2.25 cm3 Mass…

Q: A block of wood has a mass of 1.426 x 10^3 grams and volume of 2257.2 cm^3 What is the density of…

A: Mass of wood = 1.426 x 103 g Volume = 2257.2 cm3 = 2257.2 ml

Q: 23. 2 x 75.33333 = ____________ (significant figures).   A. 100   B. 200   C. 150.6   D.…

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Q: The density of silver is 10.5g/cm^3. What is the mass of a bar of silver in Kilograms, that measures…

A: Density= Mass/volume  Mass=density ×volume.

Q: 1.23 x 106 Greatest 5.67 x 10² 4.56 × 10³ The correct ranking cannot be determined. 2.34 x 105 3.45…

A: This question belong to number and digits. I have solved this question by expansion. Expansion of…

Q: Perform the follwing calculations and round off the answers to the proper of significant figures.…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.