1. Describe how to use conversion factors correctly using an example. 2. Write a number between 1.000 and 9999999.99. Write the number of signific 3. Give an example of how to find significant figures in calculations for A. addition or subtraction B. multiplication and division

Q: When a 306.50 g object is placed in a graduated cylinder containing 85.0 mL of water, the volume…

A: Density of an object can be calculated by dividing mass of the object by its volume. Density =…

Q: Do the following calculations to the correct number of significant figures: a.) 3.8 x 105-8.45 x…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: 19. You are trading blueberries for cherries. Using an exact relationship of 1 cherry = 4…

A: Given :  1 cherry = 4 blueberries.

Q: 3. Provide the answer with the appropriate number of significant figures. a. 6.03 x 650 b. 2.7 x…

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Q: 1. How many significant figures (1) 0.0044500 m (4) 1.00 × 10³ s are in each measurement? (2) 5.003…

A: All non-zero digits are significant.Zeroes in between two non-zero digits are significant.The…

Q: 11. Write each of the following numbers in standard scientific notation. a. 97,820 = b. 42.14 × 103…

A: Scientific notation is a format which helps us to write too large or too small numbers in simple…

Q: 1.Add 43.8 lbs and 56.8923 lbs. write the correct significant figures. 2. Convert the from 1 answer…

A: 1) we have given two weights 43.8 lbs and 56.8923 lbs Significant digits in 43.8 lbs is 3 and in…

Q: 1. Express the number = -890,000 in scientific notation; 2. Express the number = 4.239 x 10² in…

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

Q: Measure the line and answer the following. 0 cm 1 2 3 4 a. What is your measurement? 5 6 110 TV 7 8…

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Q: 2. Write down the answers with the correct number of significant figures: 34.1 X 4042 = (4.13)? =…

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Q: #4

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: Measurement of the density of water. Weigh a small beaker (degree of precision?). Place about 25 mL…

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Q: I have a question on conversions. I need like a step by step run down. The question states: Convert…

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Q: a. 14.8 g = ? ug b. 3.72 g = ? kg %3D C. 66.3 L ? cm

A: Note : as per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost…

Q: föllówing data was collected from a solution that was prepared to allow a sample of plastic to…

A: The mass v/s density data curve given is,

Q: What is the volume of an object of mass 20.00 g and density 2.0 g/mL? 1._______ / 2._______ =…

A: Given the mass of the object, m = 20.00 g  density of the object, d = 2.0 g/mL

Q: 1. Perform the following conversions. (1 in = 2.54 cm; 1 ft = 12 in; 1 mi = 5 280 ft)  a) 58.8 ft to…

A: Unit conversion means conver one form of unit in to another. It is used in our day to day life.

Q: A graduated cylinder originally contained 17.2 mL of water. An object weighing 14.1 g was then…

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Q: Is the density of the solution an intensive property or an extensive property?

A: The objective of the question is to determine whether the density of a solution is classified as an…

Q: A student measured 10.5 mL of a stock caffeine solution with a concentration of 52.3 mg/mL and…

A: Initial volume V1 = 10.5 mLInitial concentration M1 = 52.3 mg/mLFinal volume V2 = 29.5 mLFinal…

Q: Determine the number of significant figures in each measurement. Then, choose the representation of…

A: Digits that shows contribution for the accuracy in value we count it as significant figure. There…

Q: 1. Calculate the volume of ball bearings 1 - 7 and record the result with excess significant figures…

A: Since you have asked multiple questions, we will answer the first one for you. To get the remaining…

Q: 2. A 108.948 g metal sample 22.6 mL of water and the water level rises to 34.8 mL. Calculate the…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: 4. Write the number of significant figures in each of the following. Write the word exact if the…

A: Rules for deciding significant figures: 1) All non zero digits are significant. 2) All zeros between…

Q: 7. The density of copper is 8.96 g/cm³. Write this density as a conversion factor to convert: a.…

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

Q: Q2. A beaker containing 28.6mL of acetone was added to a beaker containing 228.2mL of ethanol.…

A: The volume of the acetone (solute) is 28.6 mL.The volume of ethanol (solvent) is 228.2 mL.The…

Q: Convert 0.366 lb/ft3 to g/cm3.        2.54 cm = in       12 in = ft       453.6 g = lb

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Q: 1.Density of lead is 11.3 g/mL. How many mL do 29.1 g of lead occupy?

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Q: Convert 8.40 g/cm2 to mg/mm2.  Round your answer to 1 decimal place. No units needed.

A: Unit conversion is a multi-step process that involves multiplication or division by a numerical…

Q: 4. If an object has a density of 4.05 g/cm³, what is its density in units of kg/m³? a. 4.05 x 10¹…

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Q: 2. How many significant figures are in the following? a. 50.0 cm b. 0.00500 m c. 1.50 x 105 sec

A: Calculate number of significant digit in the given question ?

Q: 7. A submarine cruises through the water at a speed of 26.4 nautical miles per hour. If there are…

A: Question-7 Given data speed of submarine =26.4 nautical mileshr and  1.15 regular miles=1 nautical…

Q: How many significant figures in each number? ~3.14159 ~0.0202 ~320.0 ~3.0x10^-3 ~500

A: 1) The non-zero number is always a significant number . 2) The zero in between two non-zero number…

Q: The concentration of cholesterol in a blood sample is found to be 215 mg/dL. express this…

A: Concentration of a solute is the ratio of the amount of solute in a solution to the volume of…

Q: 1000 900 800 700 600 500 400 300 200 100 A sample of liquid has a measured volume of 561 mL. 1. How…

A: Given : volume of sample = 561 ml To find : 1). Significant figures 2). Scale divisions in ml 3).…

Q: 1. A wooden square block is placed on an analytical balance giving a mass of 5.1977 g. The square…

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Q: An irregular-shaped solid was placed into a graduated cylinder containing 50.2 mL of water.The…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

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.