Which of the following numbers has 3 sigfigs? O 0.03 4 5.0 x 106 3.09

Q: Ammonia (NH,) chemically reacts with oxygen gas (0,) to produce nitric oxide (NO) and water (H,O).…

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Q: How many decimeters in a meter? O 103 O 101 O 1000 O 100000 O 10:5 O 100 O 100

A: To identify: Number of decimeters in a meter.

Q: Ammonium phosphate ((NH,), PO4) is an important ingredient in many fertilizers. It can be made by…

A: Given: Mass of NH3 reacting = 1.7 g.

Q: Ammonia (NH,) chemically reacts with oxygen gas (0,) to produce nitric oxide (NO) and water (H,O).…

A: Solution The mole idea may be a convenient methodology of expressing the number of a substance. Any…

Q: What is the mass of  1.42x10^24 atoms of oxygen?  grams What is the mass of 5.01x10^23 molecules…

A: In the question, following information given - Atoms of oxygen (O) = 1.42×1024 Molecules of oxygen…

Q: x2 4. (0.432)x(0.928)3 1.45 x 10-5 X-?

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Q: Question attached

A: To write the result of the given mathematical expressions in the correct significant figures with…

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

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Q: 5. Express these numbers in scientific notation 214 30,012 1632.043 0.0121 0.0000356

A: In given question, we solve only first three subparts according to Bartleby guidelines and it does…

Q: After performing the following calculation, the answer should have significant figure(s). (0.545 +…

A: After performing the following calculation, the answer should have _____ significant figure(s).

Q: 5 - Which of the following numbers are not rounded correctly to 3 significant numbers O a) 1367 >>>…

A: Significant digits are those numbers which are important to used during mathematical operations.…

Q: Using the following form for your answers, solve the following conversion: 236.7 mL is how many cc?…

A: For this conversion we have to know few things like  ml is millilitre cc is cubic centimeter  1ml =…

Q: How many significant figures should your answer have? 8.101 x 0.10 = %3D O 1 O 2 0 3 4 0 5 07 08

A: Calculate number of significant figure in the calculation--

Q: Ammonium phosphate ((NH,)¸PO,) PO, is an important ingredient in many fertilizers. It can be made by…

A: Phosphoric acid reacts with ammonia to form ammonium phosphate. The equation for the balanced…

Q: The single proton that forms the nucleus of the hydrogen atom has a radius of approximate 1.0x10-13.…

A: Volume of nucleus and Hydrogen atom is determined as given below,

Q: Calculate to the correct number of significant figures. (2.963+2.8)/3.00%D O None O 1.93 O 2.0 O 1.9…

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Q: 3. Perform the following calculations and report your answers to the correct number of significan…

A: Dear student ,   since you have posted multiple questions we will allow to solve only first question…

Q: How many significant figures should your answer have? 8.101 x 0.10 = %3D O 1 O 2 0 3 O 4 O 5 0 6 07…

A: In measurement number digit in value is known as significant figure, all non zero digit are counted…

Q: How many significant figures do the following numbers contain?1.001 3.45 3.450 0.01 .010 1.230e-04…

A: Significant figures: each of the digits of a number that are used to express it to the required…

Q: Ammonium phosphate ((NH4), PO4) is an important ingredient in many fertilizers. It can be made by…

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Q: The correct answer (reported to the proper number of significant figures) to the following is: (1815…

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Q: (a) Perfom the following conversions of units. Where appropriate, use dimenslonal analysis. In all…

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Q: A major component of gasoline is octane (C3H18). When octane is burned in air, it chemically reacts…

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Q: Calculate the volume (in cm³) of 179 ng of manganese. The density of manganese is 7.20 g/cm³. O 2.58…

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

Q: Ammonium phosphate ((NH,) PO, is an important ingredient in many fertilizers. It can be made by…

A: We have to calculate the mass of ammonium phosphate produced.

Q: How many significant figures would this calculation have if it were completed: (9.04-8.23 +21.954…

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Q: 1-The answer rounded to the correct number of significant figures after    Performing the following…

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

Q: Given the density information for mercury in the previous questions, what is the mass in grams of…

A: There is relation between density, mass, volume  Density = mass / volume    ( Density of mercury =…

Q: 3.8060 × 13.1 = x O 26162

A: From the rules of significant figures.  In multiplication and dividation.  The answer will have the…

Q: (3.0 mg) x (0.023 g) =

A: The given milligrams can be converted into grams as

Q: A major component of gasoline is octane (C,H). When octane is burned in air, it chemically reacts…

A: The combustion reaction involves the burning of a hydrocarbon in an oxygen atmosphere to yield…

Q: 1) The number with the most significant zeros is A) 250000001 B) 0.00002510 C) 2.5100000 D)…

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Q: 5) significant figures should be retained in the result of the following calculation: (354.0 +…

A: Given: 354.0+21.01×107(0.012+2.30)×102

Q: Express the result of each mathematical operation to the proper number of significant figures and…

A: a) The calculation is as follows: In the starting numbers, the minimum number of the significant…

Q: O 1.0. 1.2. 7.0, 13.9 O 1.0. 3.2. 7.0, 10.9 O 1.0. 1.2. 7.0, 10.9

A: [HCl] = 0.10 N Volume = 20 mL  milliequivalents of HCl = 20 mL * 0.1 n = 2.0 meq Before scaling 2.0…

Q: b Write out the following numbers in ordinary form. i 2.01 x 103 i ii 5.2 x 10-2 iii 8.41 x 10² iv…

A: In ordinary form 10x and 10-x is not represented instead of it if it is 10x the decimal is increase…

Q: Ammonium perchlorate (NH CIO) is the solid rocket fuel used by the U.S. Space Shuttle. It reacts…

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Q: A major component of gasoline is octane (C,H8). When octane is burned in air, it chemically reacts…

A: Octane reacts with oxygen to form carbon dioxide and water. The equation for the balanced chemical…

Q: 5:33 m x 9.9629 x 10-³ m x 18.943 m CA CO

A: In any measured quantity, digits known with certain along with one last uncertain (or inexact) digit…

Q: When expressed using an appropriate prefix, the quantity 3.77 × 10–2 L should be written as (write…

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Q: An atom of a particular element has a volume of 7.8 x 10-" m . What is this volume in cubic…

A: Given: The volume of atom = 7.8 x 10-31 m3  This value of volume has to be converted into cubic…

Q: Convert (7.8x10^24) molecules of sodium chloride, NaCl (OR N a C l) to grams of sodium chloride.…

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Q: Find the molecular mass of Mn2(CO)10 with the correct number of significant figures.

A: Molecular mass is obtained by the sum of the atomic masses of the elements present in the molecule.…

Q: 10Br (ag) + 2MNO, (ag) + 16H' (aq)2Mn" (aq) + 8H20(1) + 5Br2 (1) Express your answer using two…

A: An equilibrium constant (K) of a chemical reaction is defined as the constant value of the reaction…

Q: A major component of gasoline is octane (CH₂). When octane is burned in air, it chemically reacts…

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Q: How many meters in a kilometer? O 0.01 O 104 O 10,000 O 10 O 0.0001 O 0.1 O 103

A: The kilo is used to express 1000 unit of any object or measurement. For example one kilogram is…

Q: An atom of a particular element has a volume of 7.8 x 10¯31 m3 What is this volume in cubic…

A: The volume of the element is = 7.8×10-31 m3 This volume can be converted into a cubic nanometer by…

Q: Write the following numbers in ordinary notation.a. 8.348 × 1 0 6 km        c. 7.6352 × 1 0 -3 kgb.…

A: In this question, specific notation is given now it convert it into original notation. Specific…

Q: A major component of gasoline is octane (C3H18). When octane is burned in air, it chemically reacts…

A: For determining the amount of product, the mole ratio of reactants in a balanced reaction must be…

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.