Part 1 Determine the number of significant digits in each number and write out the specific significant digits. 1.    405000 2.    0.0098 3.    39.999999 4.    13.00 5.    80,000,089 6.    55,430.00 7.    0.000033 8.    620.03080

Q: By applying the steady-state hypothesis to the species CH3' and C2H5* show that the mechanism: C2H6 ...

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Q: How do structures of these IUPAC names look like? e) 2-Propoxy-1-(2-propoxyethoxy)propane

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Q: decomposition of potassium chlorat

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Q: A scientist wishes to measure the concentration of methyl benzoate in a plant stream by gas chromato...

A: The given type of aanylysis called the Single Point Internal Standard method. Internal response fact...

Q: A. Conjugation in Dienes A1. Determine if the alkenes in the following molecules are conjugated or i...

A: Since you have asked multiple question, we will solve the first question for you as per our guidelin...

Q: The equilibrium constant K for the reaction H2(g) + Iz(g) 2HI(g) is 54.3 at 430°C. At the start of t...

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Q: How many grams of CH3OH must be added to water to prepare 150 mL of a solution that is 2.0 M CH3OH ?...

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Q: An analytical chemist is titrating 210.0 mL of a 0.6900M solution of trimethylamine ((CH,),N) with a...

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Q: a) By how much should the student expect their sample measurements to increase by? Why? b) Will thei...

A: (a) In spectrophotometry, the absorbance is directly proportional to the concentration of analyte an...

Q: 1.In testing a tablet, what are the meaning of these terms Disintegration Basket-rack assembly -  ...

A: We have to tell the definition of :-  Disintegration Basket-rack assembly  Disintegration time  Dis...

Q: How many atoms are in 25.6 g tin? O 1.30 x 1023 atoms O 3.01 x 1024 atoms O 3.01 x 1023 atoms O 6.02...

A: Moles of tin are, Moles = mass ÷ molar mass Moles = 25.6 g ÷ 118.71 g/mol Moles = 0.22 mol  

Q: Solvent extraction is based on the relative of two liquids. odor O texture O solubilities O color

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Q: What is the major product of the following reaction? H30 HO, HO. CO2 II IV

A: So option A is correct

Q: 1. which one is water-soluble based on their structure? pls explain why a.  vitamin A b. vitamin B3...

A: Solubility of the compound is defined as point at which compound is completely soluble in any solven...

Q: View Policies Current Attempt in Progress An unknown compound contains nickel, phosphorus, and oxyge...

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Q: ) a) The radical chlorination of pentane is a poor way to prepare 1-chloropentane but radical chlori...

A: a) The radical chlorination of pentane is a poor way to prepare 1-chloropentane but radical chlorina...

Q: A buffer is made up of 15.0 mL of 0.1 M HC,H,02 and 15.0 mL of 0.1 MNa CH3O2 The solution is diluted...

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Q: PF3 (use the P with 5 |holes) SF. (use S with 5 holes) SeCls (use Se with 6 holes) XeF, (use Xe with...

A: Molecular  geometry gives the bonding arrangements  of atoms around Central  atom.

Q: To determine the concentration of these analyte ions in a mixture, the mixture absorbance is analyze...

A: This is application of the Lambert beer law . Here we are required the molar concentration of X3+ an...

Q: A major component of gasoline is octane CH18). When octane is burned in air, it chemically reacts wi...

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Q: Two carts mounted on an air track are moving toward one another. Cart 1 has a speed of 1.1 m/s and a...

A: Given, mass of cart 1 =0.45 kg speed of cart 1 = 1.1 m/s mass of cart 2 = 0.75 kg

Q: 1. Water is a polar molecule and has a very unique structure. A. What is a polar molecule? B. Draw o...

A: Here we have to define polar molecule and to show positive and negative region of water molecule. 

Q: 34. CН4

A: This question belong to redox reaction, we have this question with followed all rule of calculation ...

Q: Lewis dot

A: Lewis structure is the diagrammatic representation of the total number of valence electrons in an io...

Q: When a silver and a saturated calomel electrodes are inserted in a solution of 0.10 M Ag(NH3)2", the...

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Q: Which of the following has the greatest solubility? a. NiS (Ksp = 5.6 x 10-16) 3. %3D b. Fe(OH)2 (Ks...

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Q: 3. Water has the properties of Adhesion and Cohesion. A. How many hydrogen bonds can a single water ...

A:                                               Answer c :  Alcohol molecules spills over the surface ...

Q: What is the main importance for using change in free energy (ΔG) as the thermodynamic parameter for ...

A: Gibb's free energy is a state function and it is an extensive property. It is given mathematically a...

Q: O A. 4-ethyl-5-methyloctane O B. 4-methyl-5-ethyloctane OC.4-methyl-3-propylheptane O D.4-methyl-5-p...

A: For IUPAC nomenclature first see the longest continuous carbon chain ,than identify the main and fun...

Q: the Exercises on Thermochemical Equations Objective: Perform calculations involving thermochemical e...

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Q: What is the atom ratio between C and H in C2H5OH? O 1/5 O 2/1 O 2/6 O 2/5

A: Given, C2H5OH      Required,                   The atom ratio between C & H in C2H5OH.

Q: 2O5 (

A: a)  time (seconds) [N2O5 ] ∆t tt -t0   ∆N2O5 -∆N2O5∆t 0 1.4 0 0 0 400 1.1 400 -0.3 7.5×10-4 ...

Q: Determine the heat transfer during this process.

A: Energy transfered per kg = 47800 kJ Moles of C8H18 oxidised = 1 mole Now, Mass = Moles * Molar mass

Q: A 2.05 g sample of an unknown compound contains H, S, and O. If the compound contains 0.050 gH and 0...

A: 3rd option is correct that is 58.5%

Q: Give the number of peaks expected in the 'H NMR for the indicated protons in each of the following s...

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Q: The formation of K2SO4 is given by the reaction: 2KCI+H2SO4 → 2HCI +K2SO4 If 50.6 g of H2SO4 is used...

A: Given  Reaction  2KCl + H2SO4   →  2HCl + K2SO4 Mass of H2SO4  = 50.6 gram  To find : Mass of HCl 

Q: 4A C-H1402 MW 130 VENERS Coriht LP94 liuid betveen salt Plates 3H 3H 2H 2H ill 2H 2H 4.0 3.5 3.0 2.5...

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Q: A 0.4017 g sample of nicotine was analyzed and found to consist of 0.2974 g C, 0.03494 g H, and 0.06...

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Q: Draw the MO diagram for the following conjugated systems. Using one of the MO diagrams your develope...

A: THE MO DIAGRAMS OF THREE COMPOUNDS ARE GIVEN BELOW

Q: 2. Complete the table below. Chemical Name Chemical Functional Structural Condensed Formula Line Fun...

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Q: How many moles of S are in one mole of Al2(SO4)3? O 4 mol S O 3 mol S O 1 mol S O 2 mol S

A: We know that,  Number of mole = Given mass / Molar mass  Mass = Number of moles X Molar mass   

Q: Liquid-liquid mixture is separated with solvent extraction by adding. Soluble solvent. O Insoluble I...

A: In general liquid-liquid extraction (LLE) was done with as solvent extraction. used to separate diff...

Q: In analytical chemistry, what is a standard method? Include any sources you used to answer this ques...

A: Solution:  Definition of Standard method- In analytical chemistry for quantitative analysis,  standa...

Q: Calculate the Miller rate for the Cartesian dimensions x, y, z in the following coordinates 2, -2, 4...

A: Answer is given as follows. :

Q: When 10.0 g KOH is dissolved in 100.0 g of water in a coffee-cup calorimeter, the temperature rises ...

A: Coffee-Cup calorimeter is a device which is used to measure the enthalpy of chemical process at cons...

Q: A chemist adds 1.90L of a 0.106 M potassium dichromate K2Cr2O7 solution to a reaction flask. Calc...

A: We have to predict the millimoles of chemical added.  

Q: What is the role of F in the following mechanism? A + B -> 2 C fast C + D -> E + F slow C + F -> ...

A: Slow step of a chemical reaction is the rate determining step of a reaction.. Therefore rate of a re...

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

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

Q: For each formula, fill in the eight items listed in the instructions. The Lewis models (at least) sh...

A: Answer is attached below

Q: Bonds between carbon and oxygen (C–O) are more polar than bonds between sulfur and oxygen (S–O). Nev...

A: Here we have to explain the anomaly ,why CO2 though contains more polar C–O bonds than S–O bonds in ...

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.