C8H100 70340 150 140 130 120 110 100 90 80 70 60 50 40 30 20 ppm

Q: How many different molecules are drawn below? Xxx 0 X 5

A: -> First of all we write molecular formula of each given alkane . -> If molecular formula same…

Q: The vapor pressure of solid CO2 (dry ice) is 280. torr at −90. °C and 105 torr at −100. °C. (a) What…

A: This question belongs to chemical Thermodynamics.

Q: for the groups amide N-H, C-alpha C-H, hydroxyl O-H, carbonyl C=O which are hydrogen donors,…

A: The groups amide N-H, C-alpha C-H, hydroxyl O-H, and carbonyl C=O can all act as hydrogen bond…

Q: Suppose a 250 ml. flask is filled with 1.8 mol of N, and 0.50 mol of O.. The following reaction…

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Q: Calculate the pH of the following aqueous solution: 0.39 M NH4Cl (pKb for NH3 = 4.74) O a. 2.57 O b.…

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Q: An analytical chemist is titrating 88.2 mL of a 0.2300M solution of nitrous acid (HNO₂) with a…

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Q: Question 12 Which of the following has the highest ionization energy? Fe2+ O Fe Fed O Fe

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Q: Consider the rate law, (Look at picture) The balanced equation corresponding to this rate law is:…

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Q: answer the questions, interpret the following Lewis structure for SO42-. For the central sulfur…

A: This question belongs to chemical Bonding.

Q: Calculate the solubility of ZnCO3 in water at 25 °C. You'll find K, data in the ALEKS Data tab.…

A: Given,  The compound : ZnCO3  From the Aleks table  at 25 °C  KSP of ZnCO3 = 1.46 x 10-10  Molar…

Q: A solution has [H+] = 7.8×10-5 M. What is the pH of this solution?

A: Since, Negative logarithm of concentration of H+ ion is known as pH of the solution. i.e. pH =…

Q: Provide the correct IUPAC name for the compound shown here. Question 16 of 20 OH CH₂-CH-CH₂-CH₂-CH₂…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: Question 29 Complete the following reaction and provide a detailed, step-by-step mechanism for the…

A: A question based on reaction of alkene. Addition reaction of methylcyclohexene with Br2/H2O is given…

Q: Calculate AG for the following reaction at 25 °C: NH,(g) →NH, (/) Round your answer to 3 significant…

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Q: Select the single best answer. The equilibrium constant, K, for the formation of nitrosyl chloride…

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Q: A sample of rock was found to contain 4.43 x 105 mol of 40K and 2.51 x 105 mol of 40 Ar. If we…

A: The provided infomration Number of moles of K40 = 4.43 × 10-5Number of moles of Ar40 = 2.51 ×…

Q: Calculate the silver lon concentration in terms of pag during the titration of 70.00 ml of 0.07000 M…

A: The balanced net ionic equation for the titration is   Ag+ (aq) + Cl– (aq) ------> AgCl (s)

Q: QUESTION 29 What would be the best choice of reagent(s) to perform the following transformation? ?…

A: Organic reactions are those in which organic reactant react to form organic products. In the given…

Q: In an experiment, liquid heptane, C,H₁6(1), is completely combusted to produce CO₂(g) and H₂O(l), as…

A: Given:- ∆Hcom= ∆Hrxn = - 4.85×103 KJ  •Here we have to calculate enthalpy of formation for C7H16(l).

Q: e) decarboxylation O || CH3CH₂-C-0-H f) 1! CO₂ ? CH3 CH3 + CO₂

A: Any Carboxylic acid on strong heating undergo decarboxylation to give alkane and CO2 gas

Q: 25°C, 1.50E0 grams of sodium hydroxide is dissolved in enough water to make 500. mL of solution.…

A: Molarity is defined as number of mole of substance divide by volume of solution in liter

Q: Using the Henderson-hasselbalch equation, calculate the volume of 0.2 M acetic acid and 0.2 M Sodium…

A: Given that: pH = 4.5 pKa = 4.74 Concentration of CH3COOH = 0.2 M Concentration of CH3COO- = 0.2 M…

Q: Calculate the pH at 25 °C of a 0.14M solution of sodium hypochlorite (NaClO). Note that hypochlorous…

A: NaClO is a salt made from a strong base (NaOH) and a weak acid (HClO)

Q: You have 75.0 mL of 0.14 M HA, a weak acid. After adding 38.0 mL of 0.10 M NaOH, the pH is 5.50.…

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Q: What is the hybridization of the central atom in the phosphorus tetrabromate (PBr4 anion? 0

A: Given,  The poly atomic ion :    ( PBr4- )

Q: What types of orbital overlap occur in cumulene? Check all that apply. View Available Hint(s) Osp/sp…

A: •Here is the structure of cumulene:-

Q: Compare SN1 and SN2 ?

A: The "SN" stands for N-nucleophilic S- substitution, while the "1" denotes a unimolecular…

Q: If 8.00 mL of a different hydrochloric acid solution had a known concentration of 0.3456 M, how many…

A: Volume of HCl  solution (V1)  = 8.00 mL = 0.008 L  (1 mL = 0.001 L)  Concentration of  HCl solution…

Q: What is the major product of the following reaction? 1. KOH/EIOH H₂N of ter O a. I O b. ll Oc. Ill…

A: The Gabriel synthesis is a chemical reaction that transforms primary alkyl halides into primary…

Q: Arrange the following elements in order of increasing metallic character: silicon magnesium…

A: To solve this problem we have to know about periodic trend of metallic character.

Q: Mercury has the following physical properties: normal melting point = -39°C, normal boiling point =…

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Q: f) O || CH3CH2-C-0-H + NH3 CHO CH2-C-NH2th-o-H

A: In part F , chemical reaction takes place between (-COOH) of acid with ammonia (NH3).     Reactants…

Q: 3NO2(g) K=1.0 × 10-11 N₂O5(g) + NO(g) If a 4.00 L container initially holds 0.13 mol of NO2, how…

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Q: A reaction has a rate constant of 0.388 min−10.388 min−1 at 373 K373 K and a rate constant of 0.953…

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Q: Calculate the pH of an aqueous solution of 0.2070 M potassium carbonate. pH =

A: “Since you have posted multiple questions, we will provide the solution  only to the first question…

Q: NaOEt EtOH Select Draw Templates ||||| ||| More C H O E

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Q: a typical adult can sweat 3L of water/hour. How many joules of cooling that can provide

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Q: 2) Write the chemical equation for the reaction of ethanoic acid with N-methylethanamine.

A: Given reaction is of esterification and condensation where we loss a water molecule Lone pair of…

Q: Current Attempt in Progress A sample of rock was found to contain 3.65 x 10-5 mol of 40K and 3.73 x…

A: The provided infomration Number of moles of K40 = 3.65 × 10-5Number of moles of Ar40 = 3.73 ×…

Q: When 498. mg of a certain molecular compound X are dissolved in 25.0 g of dibenzyl ether…

A: A numerical problem based on properties of liquids. A set of data for depression of freezing point…

Q: Rate = k[BrO₂ ][Br¯][H+]² Triple [H*] and Double [Br]? Rate doubles Rate increases (18x) Rate…

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Q: What are the line-angle structures for the following? a)…

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Q: Which salts will be more soluble in an acidic solution than in pure water? CuCN KCIO Zn(OH)₂ CaSO4…

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Q: Using ethanol as a fuel reduces greenhouse gas emissions by 40-50% when compared directly to…

A: The combustion reaction of ethanol is given as follows: C2H5OH(l) + 3O2(g) ---------> 2CO2(g) +…

Q: I was looking over and was doing calculations so I could understand and no offense but shouldn't the…

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Q: Answer the questions below about the highlighted atom in this Lewis structure: H :0: | || <-C-C-O-H…

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Q: 1) Write the chemical equation for the reaction of propanoic acid with 1-butanol (an alcohol). The…

A: 1 Propenoic acid on reaction with 1 butenol give the anhydride and water.  2. Reaction of ethenoic…

Q: b.Alkylation Reaction + Br 브

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Q: &. Copper has an atomic radius 0.128 nm with fcc structure having one - atom basis and its atomic…

A: Atomic mass of Cu = 63.5g/mol Atomic radius= 0.128 nm = 0.128 ×10-7 cm Standard value of density of…

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.