A student sets up the following equation to convert a measurement. (The ? stands for a number the student is going to calculate.) Fill in the missing part of this equation. (-1.2 x 10° cm² ) · D= ? m² ст 미

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

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Q: The concentration of mercury in a polluted lake is 0.33 micrograms per liter of water. What is the…

A: Given,Volume of the lake = 1.5 x 1012cm30.33 micrograms per liter of water

Q: If mercury (density = 13.6 g/cm3) at a height of 895 mm Hg in a mercury barometer is replaced with…

A: According to Boyle's law temperature remaining constant ,the volume of a given mass of a gas is…

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

A: we need to convert from N/cm to N/mm

Q: How many significant figures should there be in the answer to the following problem?…

A:

Q: When the calculation (1.0453x10-1.4) x 1.604 is carried out, the number of significant figures in…

A:

Q: Prepare a table in which the rows are: length, area, volume, mass, and time. Make two columns, one…

A:

Q: Convert 6.4 x 10^-28 j-s/ kg to erg- min /lb. Note that “j” means “ joule” - it is one of the units…

A: 6.4*10-28 j-s/Kg to erg-min/lb Conversion required : 1 J = 107 ergs 60 sec = 1 min => 1 sec =…

Q: What is the speed of light in miles per second? Express your answer in scientific notation. The…

A: Given: The speed of light in m/s is 299,792,458 m/ s.

Q: The density of a liquid is (1.27x10^0) g/cm3. If you weigh out (5.180x10^0) kg of this liquid, how…

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Q: Using your knowledge of the metric units, English units, and the information on the back inside…

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any…

Q: If the density of gold is 19.3 g/mL, what is its specific gravity?

A: Specific gravity:  Specific gravity can be defined as the ratio of density of a substance to the…

Q: The density of lead is 1.134 x 104 kg/m3.  If a student determines the mass of a piece of lead to be…

A: Density of a substance is given by the ratio of mass and volume. Density = MassVolume It is the mass…

Q: Consider the equation: (9 x 10^-38) x (9.00 x 10^3) x 35.3= Y  how many significant figures should Y…

A: The significant figures can be defined as the digits in the given number that carry some meaning and…

Q: A meteor has a volume of 9235 ft3 , what is the mass in kg of the meteor if the density is 0.92…

A:

Q: The measurement 4.3 x 103 g also could be written as

A: unit conversion is one of the basic measurement gram and kilogram are the units of mass 103 gram = 1…

Q: b) One sphere has a radius of 5.10 cm; another has a radius of 5.00 cm. What is the difference in…

A: Calculate the difference in volumes of two spheres in cubic centimeters. Given: Radius of one sphere…

Q: A student sets up the following equation to convert a measurement.

A: Unit converstions :  1. mole unit conversion:    1 mol = 103 mmol        where mmol stands for…

Q: The prefix “micro-“ means 1 x 10^-6. Convert 752 micrometers to meters.

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Q: A bakery measured the mass of a whole cake as 0.870 kg. A customer bought one slice of the cake and…

A: Rule for Significant figures (SF) in mathematical operations:(1) Addition and Substraction round by…

Q: Convert the following measurement. 5.8 x 10 x10 3 3 cm ?

A: The conversions of g and cm to Kg and m is as follows: 1 g = 10-3 Kg1 cm = 10-2m

Q: What is the result of the following calculation to the appropriate number of significant figures?…

A: Given :-  16.011 cm × 12.35 cm × 14.762 cm  To determine :-  Answer of the given multiplication…

Q: 4)1345 dm in to Km? 5) 780 ounces in to Kg?

A:

Q: Using significant figure rules, the answer of 213 miles / 4.2 hours is equal to which of the…

A: In Multiplication and Division, The LEAST number of significant figures in any number of the problem…

Q: The density of silver is 10.5 g/cm³. What is the mass of a silver bar (in gms) that measures 0.1000…

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Q: a thin sheet of lead measures 15.5 cm by 23.0 cm and weighs 0.627 g. if the density of lead is 11.34…

A: Given information is as follows: Length of the lead sheet = 15.5 cm Width of the lead sheet = 23.0…

Q: The total amount of fresh water on earth is estimated to be 3.73 x 108 km3.  What is this volume in…

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Q: If a bullet travels at 531.0 m/s, what is its speed in miles per hour?

A: Given : Speed in m/s = 531.0 m/s

Q: There are exactly 60 seconds in a minute, exactly 60 minutes in an hour, exactly 24 hours in a mean…

A: 60 smin ×60 min1 hour ×24 hour1 day ×365,24,daysolar year  =31556736 s/solar year

Q: Convert 2.11×10−3 m2.11×10−3 m to the equivalent length in nanometers.

A: In the given question , we need to convert the unit of length given in meter (m) to nanometers (nm).…

Q: A new beeswax candle has a volume of 475 cubic centimeters. Given that the density of beeswax is…

A: Given :- volume of beeswax = 475 cm3              density of beeswax = 0.970 g/cm3  To be calculated…

Q: Express the result of the following calculation in scientific notation: 301 cm x 439 cm 1.32 x 10°…

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Q: Round the following number to four significant figures and express the result in standard…

A: The value given is 229.613.

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

A:

Q: Keeping track of units during conversions can get confusing. Therefore, a good strategy is to use…

A: We will use conversion factor to convert each term in question.

Q: , 8. When you perform the following operations, how many significant figures should your answer…

A: Significant figures can be defined as the total number of the digits (that include s the last digit)…

Q: A student is given the following question: "What is the mass of a gold bar that is 7.379 × 10–4 m3…

A: We know,Mass = Density x Volume

Q: Consider the following conversion factors: (i) 1000 m = 1 km, (ii) 1 mL = 1 cm3,(iii) 1 lb = 453.59…

A: 1 km = 1000 m The number of significant figures in 1 of 1 km is 1 and the number of significant…

Q: Express the following numbers in fixed notation (e.g., 1.23 x 102- 123), and give the number of…

A: Given,  Express the following number in fixed notation and give number of significant figures in…

Q: For each of the following numbers, determine the number ofsignificant figures it contains, rewrite…

A: (a) 3.050 × 10–4 can be written without scientific notation as 3.050/104 =0.0003050 has four…

Q: When multiplying 602.4 m by 3.72 m, which value determines the number of significant figures in the…

A: There are some rules for assessing the count of significant figures in a number. For division and…

Q: if your cylinder measured 1.20 cm tall and 0.65 cm in diameter and the mass was 13.4557 g, how many…

A: Given: the height of the cylinder =1.20 cm the diameter = 0.65cm. the mass = 13.4557. The formula…

Q: Enter your answer in the provided box. Carry out the following calculation, paying special attention…

A: Given that : We have to perform the following calculation keeping in mind the significant figure :

Q: A block metal has a volume of 13.4in^3 and weighs 5.22lb. What is its density in grams per cubic…

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Q: How many significant figures should be retained in the result of the following calculation? 12.00000…

A: The given expression has been simplified below.

Q: (2.241 mm )(2.8 mm ) Complete the operation and express the answer with the appropriate number of…

A: The operation expressed and the appropriate number of significant figures:Unit same for both values…

Q: If the density of baking soda is 2.1 g/mL, how many grams of baking soda are present in 5.0 mL (the…

A: the product must contain 2 significant figure as bot of the multiplicand have 2 significant figure

Q: Calculate the following and express the answers with the correct number of significant figures. 1)…

A: Significant figures refer to the number of digits that are involved in the determination of the…

Q: The SI units of density are kg/m³ but g/cm³ is more commonly used. How many g/cm³ are in 1 kg/m³?

A: Density is the ratio of the mass of the substance with that of the volume occupied by the substance.…

Q: A chemistry student needs 35.0 mL of dimethyl sulfoxide for an experiment. By consulting the CRC…

A: Given, volume of dimethyl sulfoxide = 35.0 mL  1 cm3 = 1 mL  35.0 cm3 = 35.0 mL  Density of dimethyl…

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.