Study Assignment 6 Oxidation-Reduction Chemistry R122 1. Indicate the oxidation number of the underlined element in each of the following: BaCe Ca(C103)2 CO2 02- C6H6 Ca(CN)2

Q: The number 8.588682 rounded to 2 significant figures is: The number 701.9951 rounded to 3…

A: Significant figures are the digits of the number that contribute to accuracy. They are all…

Q: Hi I need help with this question please -Of the solids are not dry when added to the graduated…

A: Calculated density will be larger because solids are not dry then Mass of the solid increases and…

Q: Which of the substrates below is the most reactive towards nucleophilic aromatic substitution…

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Q: 1.5 oz to grams

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Q: The number 18.01937 rounded to 3 significant figures is

A: Rounding a number to three significant figures in the same way ,rounding to three decimal places.…

Q: Baseball is played with a round ball that may have a circumference of 9.07 in. and a weight of 5.08…

A: Conversion of the given- 9.07 in to cm 5.08 oz to g

Q: 1) Consider the following diagrams, which was a positive AS? 6000 0000 00 0000 000g p000 0000 0000 O…

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Q: Depth                          1.2 cm Width                         1.2 cm                 3.Length…

A: Given : Depth = 1.2 cm  Width = 1.2 cm  And Length = 4.4 cm

Q: How to tell whether a property is physical or chemical

A: Physical properties are the properties such as colour, melting point,hardness,density and doesn't…

Q: The number 0.00003007 expressed in exponential notation is ________.

A: Let the number be 'X'. So, X= 0.00003007 In this question, X has to be converted into exponential…

Q: Round 329.2258 to 2 significant digits

A: Significant figures are meaningful digits which are known with certainty. There are certain rules…

Q: 4. What is a characteristic property of a pure substance? Is the boiling point of a substance a…

A: Pure substances are substances that are made up of only one kind of particles and has a fixed or…

Q: Describe the essential features of a scientific model

A: Scientific models are basically the true representations of a real system or idea on a smaller…

Q: 5. When do zeros count as significant digits, and when don’tthey count?

A: The significance of zeros in a mathematical value has to be given.

Q: :C: ل - - Na

A: There are 2 steps in the mechanism that lead to the formation of ester as the product.

Q: PLS ANSWER THE FOLLOWING QUESTIONS

A: The solution is given below -

Q: what is the cost of 8 oz of cannabis oil if 1ml value $30?

A: Given :-  Volume of cannabis oil = 8 oz  Cost of 1 mL cannabis oil = 30 $  To calculate :-  Cost of…

Q: How does an element differ from a compound? How are they similar?

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Q: Consider the production of copper metal from copper ore: 2 Cu3FeS3 (s) + 7 O2 (g) → 6 Cu (s) + 2…

A: Theoretical yield is the maximum amount of product that could be formed from the given amount of…

Q: A recipe for pralines calls for the candymixture to be heated until it reaches the “soft ball”…

A: The units of temperatures are K, C0, F0. These can be interconverted by the following relation:…

Q: Mass is the measure of what property of matter?

A: Properties of matter are mainly two types such as physical properties of matter and chemical…

Q: The number 3332.914 rounded to 3 significant figures is

A: Answer is given below

Q: MCQ 5: Wide range of different hydrocarbons are separated into fractions through A. fractional…

A: Since, Hydrocarbon having different boiling point. So,

Q: * 00 Air DD F7 F8 & * T

A: This question is related to conversion of units.

Q: crayon

A: You can see this scale is cm ( centimetres ) so that C and E option are incorrect because of in this…

Q: Round 0.054321 to 4 significant figures

A: If the last digit in the given number is greater than 5 , then we have to add 1 to second last digit…

Q: this is incorrect, I entered that number and it marked it as wrong

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Q: ______________________ are defined as homogeneous mixtures of two or more pure substances

A: A SOLUTION  is a homogeneous mixture of two or more pure substances.

Q: What is the approximate reading of hydrometer below?

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Q: is the structure of the product expected from the following reaction? CI heat PRODUCT CI

A: This is a 4n+2 cycloaddition reaction in the presence of heat. this is also called Diels-alder…

Q: 50. The angle iron shown to the right is made of steel with a density of 7.78 g/cm³. What is the…

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Q: What is a suitable prefix that can be used for 1/1015

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Q: As a whole number what is 4.13x10-7

A: Given:- 4.13 × 10-7 write whole number -

Q: Covert 57.0 cm to meters

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Q: what measurement is a pikofarad ?

A: Farad is the S.I unit of electrical capacitance and is a measurement of the ability of an object to…

Q: The pKa values for the amino acid tyrosine are 2.2 (a-carboxyl), 9.11 (a-amino), and 10.07 (Rgroup).…

A: Amino acids are amphoteric biomolecules because of the presence of both the acidic carboxylic acid…

Q: needing help with metric to metric conversions with Chemistry 110...   650Gg to kg 0.650cL to dL

A: The conversion of Gigagram (Gg) to kilogram (kg) is shown below.

Q: given 310. a number. Identify the number of significant figures this number has.

A: The question is based on the concept of significant figures.We need to identify number of…

Q: 1 2

A: We read buret in mL unit.

Q: 3- 1-6 x10 3.

A: The given question is: 1.6×10-86.0×103=? Solving 1.6/6.0: 1.66.0=0.267

Q: The number 621.0870 rounded to 4 significant figures is

A: To round the number 621.0870 to 4 significant figures.

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.