Distinguish between an element and an atom. NO PLAGIRISM

Q: Spontaneous chemical reactions proceed until they hit equilibrium.  Once the reaction hits…

A: Spontaneous chemical reactions are reactions which takes place without the addition of external…

Q: 5. If a clinical laboratory technician made 5 measurements of the same serum sample, and obtained…

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Q: 1) Draw the resonance hybrid for the following ion based upon the given resonance structures. C=CH₂…

A: The process of delocalisation of pie electrons from high electron density to lower electron density…

Q: How many grams of iron are needed to completely consume 46.5 L of chlorine gas according to the…

A: Stoichiometry of reaction

Q: A reaction has a value of AH = -23.0 and AS = -235; mol When would this reaction become spontaneous?…

A: A question based on chemical thermodynamics that is to be accomplished.

Q: General Chemistry 1 Part 2. Electron configurations The picture below shows three answers given by…

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Q: B. Name the following organic compounds: 11.) 12. 13. 14 Br. Br 15.) CI Br CI

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Q: 16. 17. 18.

A: We have to name the given organic compounds.  Note: According to Q&A guidelines of Bartleby, we…

Q: Complete the mass balance expression for an aqueous solution of Ag₂CO3. [Ag+] = 2([?] + [?] + [?])

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Q: A 2.5 moles sample of perfect gas at 35.6°C is isothermally expanded from 30.0 dm³ to 70.0 dm³. (a)…

A: It is given that, Number of moles = n= 2.5 moles  Temperature = T = 35.6oC = (35.6+273.15)K = 308.75…

Q: The basicity constant kb for morphine (a weak) base is 7.4 x 107 at 25°C. What is the hydroxyl ion…

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Q: Match the significant figure rule with the appropriate mathematical operation. Group of answer…

A: The rules for counting significant figures when we perform addition or subtraction and…

Q: 3.which gases can be used as carrier gas in GC? 5:42

A: Gas chromatography:- it is a technique of separating different compounds based on their volatility…

Q: ОН PBr3

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Q: Chemistry **this is a phosphate buffered saline** what percent of conjugate acid is ionized at this…

A: Given the pH of the phosphate buffered saline = 7.4  A pH of 7.4 is closest to the pKa2 of…

Q: What are the important properties of an ionic bond?

A: Ionic compounds form crystalline structures because of the strong electrostatic attraction between…

Q: Suppose you want to make a buffer with the above acid HA (pka 7.20) You start with 65 mLs of 1 M HA…

A: Given: pKa = 7.20 Volume of HA = 65 mL Molarity of HA = 1 M Volume of MA =35 mL Molarity of MA =…

Q: Direction: Bond the following elements by drawing its bonding representation as shown on the first…

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Q: Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D…

A: HA →H+ + A- pKa =- log Ka where Ka = [products][reactants] = [H+][A-][HA] weaker acid have stronger…

Q: Use the References to access important values if needed for this question. Two beakers are placed in…

A: Introduction  The most practical way to express a solute's concentration in a particular solution is…

Q: Use this diagram to answer the following questions. Suppose a small sample of pure X is held at…

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Q: Predict the product for the following reaction. 1. CH,CH₂CH₂MgBr/ether 2. H₂O

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Q: 1-pentyne FLO 1. NaNH2 2. CH3CH₂CH₂Br lot en tuo ms of y

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Q: 5. Consider the reaction, H₂ + 12 → 2HI. The equilibrium constant values have been determined for…

A: According to Van't Hoff equation ln(K2/K1) = (- deltaH0 /R) [1/T2-1/T1] ln (16*10-3 /3.2*10-3) =(-…

Q: The coarse focus knob should be adjusted when using this Condenser ΟΙΟ O HPO O LPO lens.

A: Coarse focus knob should be adjusted when using this _ lens.

Q: A certain gas obeys the van-der-Waals equation with a = 0.50 m6 Pa mol-2. Its volume is found to be…

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Q: TRANSPETTANCE 1962 2945 3000 capillary file between salt plates 2500 AVENUMBERS 2000 1371 1192 1004…

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Q: which ester group form in the esterfication reaction of octanoic acid with 1-propanol.

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Q: 1. While Professor Martchouk is virtually teaching the CIV280 class, her toddler manages to spill a…

A: Molarity of H2SO4 spilled, C = 6 M or 6 mol/L  Volume of H2SO4 spilled, V = 50 mL  Required…

Q: Calculate the molarity of a 1.10 m aqueous solution of a solute with a molar mass of 104.8 g/mol.…

A: A 1.10 m solution has 1.10 moles of solute in 1 Kg solvent. Mass of solute = no of moles × molar…

Q: A 0.693 mol sample of Ar gas is confined in a 17.1 liter container at 27.1 °C. If 0.693 mol of He…

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Q: 2.51 Draw resonance structures for each of the following: (a) (b) (c) (d) `N

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Q: 3. Give the name of this compound, including stereochemistry if relevant: H CI HCECCH₂-C-CH₂CH₂Br

A: The IUPAC name of the compound can be written on the basis of the number of carbon atoms in the main…

Q: Is it reasonable to expect a transition metal complex to have a bent (angular) molecular geometry?…

A: Transition metal complexes geometry can not be explained by VSPER thoery, as according to VSPER…

Q: Ethanol has a density of 0.789 g/cm3. What volume of ethanol in mL must be poured into a graduated…

A: Rules for significant figure  All non zero integer are significant  Exact number have unlimited…

Q: 1.4 Consider the structure below: OH НО. po OH e) What is the biological name of Rooibos tea? f)…

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Q: 1. List the symmetry elements of the molecules. A B C D CH₁ H₂N en H H₂N HC HC Co Br CI 0 H CH 3 H…

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Q: Question: Classify each of the following properties as physical or chemical. Explain your reasoning…

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Q: Addition of one equivalent of HBr to 1.3-cyclohexadiene gives Abromarysiphexene brombaysalie…

A: Given compound is 1,3 -cyclohexadiene. We have to react 1,3- cyclohexine with the one equivalent of…

Q: A student titrated a vinegar sample with 0.44M NaOH titrant. A 5.0mL vinegar sample was mixed with…

A: 5.0 mL vinegar sample was mixed with 50 mL of water in a flask and titrated with 0.44 M NaOH…

Q: The following equation can be used to convert Fahrenheit temperature to Celsius temperature. (F-32)…

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Q: H₂N HC OH CH3 CH3 CH3

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Q: use data to discuss whichc calculated density is more accurate.

A: Density is obtained by dividing mass by volume Density(d) = mass(m)Volume(v) => m = d*v (or) v =…

Q: B. Name the following organic compounds: 11.) 12. 13. 14 Br. Br 15.) CI Br CI

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Q: The lowest temperature multiple of 2 C at which the oil is observed to flow after cooled at…

A: The answer is False. The explanation is given in next step.

Q: A solution containing 26.70 mg of an unknown protein per 21.5 mL of solution was found to have an…

A: Given, Mass of an unknown protein = 26.70 mg = 0.0267 g Volume of the solution (V) = 21.5 mL =…

Q: 2. Saffron is cultivated from the styles and stigmas of the crocus sativus flower. It is the most…

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Q: 4. Write orbital diagrams for the following elements (a) Iron (b) Chlorine

A: we have to draw the orbital diagram for  iron  chlorine

Q: What would you call a solution with a low concentration of protons?

A: The concentration of proton or hydrogen ion describes the acidity of basicity of solution. This is…

Q: Ozone is a pollutant in the lower atmosphere, but part of the protective shield against UV light in…

A: We have to classify the following properties of ozone as chemical or physical 1) Bluish color 2)…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.