mercury density= 13.6 g/mL How many grams of mercury are present in a barometer that holds 5.0 mL of mercury? Express your answer using two significant figures.

Q: A pure 3.88 kg sample of a solid occupies a volume of 66.0 mL. Calculate its density in g/mL to the…

A: Given that ,  Mass of pure solid = 3.88 kg = 3.88×103 g  [ * 1 kg = 103 g ]  Volume occupied by the…

Q: Which quantity would have unlimited significant figures? 12 square feet 12 miles/hour 12 kg 12 eggs…

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Q: Which of the items below would be considered the least dense?     a tire with a volume of 2.12 L…

A: Given : we have to search which of the following is least dense.

Q: if the total volume in a graduated cylinder is 3.11 mL & the total number of drops placed in the…

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Q: A chemist needs 2.00grams of a liquid compound with a density of 0.718 g/cm^3. What volume of the…

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Q: he density of a substance is 2.15 g/mL. What is the mass of 0.15 L of the substance in grams? Use…

A: Density of a substance is equal to the mass of substance divided by its volume. Write the expression…

Q: A surveyor measures the length of a surveying chain containing 1000 chain links. The length is…

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Q: 3. Perform the following calculations reporting your answer to the correct number of significant…

A: Rules for significant figuresTrailing zeros are not significant unless it is after decimelIn…

Q: How many cubic centimeters are there in 8.14 yd^3 Express the volume in cubic centimeters to three…

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Q: When you perform the following operations, how many significant figures should your answer have?…

A: Given 111.1300 Kg + 222 g

Q: The density of copper is 8.97 g/cm^3. What is the volume, in mL, of a 1.00 kilogram mass of pure…

A: 1.00 kg of copper is equal to 1000.0 g of copper. And 1 mL is equal to 1 cm3.

Q: An object measuring 25.0 inches will have a length of___centimeters round your answer to the correct…

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Q: 2.0 ft how many cm?

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Q: what is the distance traveled in meters of a car traveling at 3.0 x 101 km/hr after 3.0 x 101…

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Q: hardware salesman measures the mass of a box containing  1000  washers.  The mass is  0.7222   kg…

A: We know from the unit conversion in chemistry, to measure small amount we generally used mg,…

Q: What answer should be reported, with the correct number of significant figures, for the following…

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Q: A house has an area of 221 m2.  Express the area in square decimeters to three significant figures.

A: The space occupied by a surface of an object or by a flat shape is known as area.

Q: A hardware salesman measures the mass of a box containing 1000 washers. The mass is 1.5924 kg. What…

A: We know that - 1 Kg = 1000 g 1 g   = 1000 mg

Q: A marble weighs 4717 µg. How much does it weigh in grams?

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Q: 1.7464 x 10° ms Express your answer in scientific notation to three significant figures. | ν ΑΣφ ?…

A: Given that : We have to express our answer in scientific notation to three significant figures for…

Q: 1)  1892.5 mL (2) Using your result in question (1), determine the mass in grams of 0.50 Gal of ice…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Convert 438 ^∘ R to ^∘ F. Give your answer with 3-significant figures

A: To convert 438 ∘R to ∘F with 3-significant figures.

Q: When you perform the following operations, how many significant figures should your answer have?…

A: The given operation is, (2.000 cm3 × 15.35 g/cm3) + 200.1 g = = (30.7 g) + 200.1 g = 230.8 g

Q: How many significant figures should the answer to this calculation have? 0.998213 g 10.00 mL X mL 1…

A: Calculate significant digit in the given questions---

Q: A runner wants to run 11.9 kmkm. Her running pace is 7.0 mi/hrmi/hr. How many minutes must she run?…

A: Concept introduction: Speed of an object is equal to the distance covered by object per unit time.…

Q: Multiply 642.67 quarts by 4.3562. What is the answer in correct significant figures? 2. Convert the…

A: Here, Quatrz = 642.67 quatrz.

Q: In liposuction, a doctor removes fat deposits from a person's body. If body fat has a density of…

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Q: How many number of significant figures are in the measurement 3.88 x 10-3 dm?

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Q: How many seconds are there in 3.7 years? (Use 365 days/year) (You do not need to put in your units &…

A: The given time in the year is = 3.7 years The time in second is =?

Q: Which of the following measurements has three significant figures? Group of answer choices 0.006 g…

A: Significant figures are the digits of a number that are meaningful in terms of accuracy or…

Q: How many significant figures are in the following numbers? 0.0240 g 0.10050 L 400.020 mL 20020 cm…

A: some basic rules for counting Significant digits in Given number: All non zeros are countable as…

Q: Using the listed equalities, convert the following numbers to different units. Make sure that you…

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Q: The following quantities were reported on the labels of commercial products. Determine the number of…

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

Q: What answer should be reported, with the correct number of significant figures, for the following…

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Q: Chalcopyrite, the principal ore of copper (Cu), contains 34.63% Cu by mass. How many grams of Cu can…

A: Given: Percent by mass of Cu = 34.63 % And mass of ore = 9.68 X 104 Kg.

Q: The density of mercury is 13.5 g/ml. What is the density in kg/m³? O 1.35 x 10-8 O 1.35 x 103 O 1.35…

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Q: An object weighs 9.0330 g.  When the object is put into a graduated cylinder that contains 24.9 mL…

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Q: Convert 8,097 cm to km. Express your answer in standard notation not scientific or exponential…

A: Given :-  Distance = 8,097 cm  To convert :-  8,097 cm to km

Q: A runner wants to run 10.3 km. Her running pace is 7.0 mi/hr. How many minutes must she run?

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Q: (1) Convert 0.50 Gal into mL, using (1 Gal = 3.785 L) as one of the conversion factors. 1 Gal=3.785…

A: 1)  Gallon is the unit to measure the volume of water. 1 Gallon=3.785 L 1L=13.785Gal1L=0.264Galnow,…

Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct…

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Q: 1. Assume someone has 0.50 Gal of ice cream in the freezer. (1) Convert 0.50 Gal into mL, using (1…

A: We know that we have 0.50 gallon=1.9×103 ml or cm3.(As calculated in the part one of the question)…

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

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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: The number 1960900, when rounded off to 4 significant figures, would appear as _______   a. 1.961…

A: Scientific notation: Scientific notation is a way of expressing numbers to be conveniently written…

Q: A room has the following measurements:  15.0 ft length, 10.0 ft width, and 5.0 ft height. What is…

A: Given  Length  = 15 ft  Width   = 10.0 ft  Height  = 5.0 ft  Volume = ? 1 ft = 0.305 meter

Q: When you perform the following operations, how many significant figures should your answer have?…

A: First of all we have to perform multiplication and then after getting value we have to perform…

Q: gasoline density =0.74 g/mL How many liters of gasoline contain 1.63 kg of gasoline

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Q: When you perform the following operations, how many significant figures should your answer have?…

A: We have to calculate the Sig figs in answer of equation.

Q: A house has an area of 221 m^2 cm^2 Express the area in square centimeters to three significant…

A:

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.