The AHvap of a certain compound is 17.58 kJ - mol and its ASan is 75.86 J. mol-. K-. What is the boiling point of this compound? boiling point:

Q: Part A A syringe containing 1.58 mL of axygen gas is cooled from 94.9 "C to 0.7 C. What is the final…

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Q: Liquid mercury boils at 357°c (630 K) at 1 atm (101,325 N/m). Calculate its approximate vapour…

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Q: Which of the following statements regarding atomic Br and Cl is FALSE?

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Q: Sulfur dioxide has an enthalpy of vaporization of 24.9 kJ/mol. At 205 K, SO2 has a vapor pressure of…

A: The normal boiling point temperature of SO2 can be calculated as follows

Q: 1 Search A certain microwave oven produce microwave with, wavelength at 2.50 mm, if 20.0 moles of…

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Q: calculate the % yield based on purified moclobemide assuming 4-(2-aminoehtyl)morpholine limiting…

A: Given: volume of 4-(2-aminoehtyl)morpholine = 1.5mL mass of purified moclobemide = 0.73g density of…

Q: Ammonia will decompose into nitrogen and hydrogen at high temperature. An industrial chemist…

A: Kc is the ratio of  product of concentration of products raised to their stoichiometric coefficient…

Q: What volume of 0.05015N potassium thiocyanate solution would be required to titrate the excess from…

A: Solution - Normality and molarity are used to estimate the given problem - So , first we know that -…

Q: Measurements 1. Exercise 3. a. Which 10 measurements shall have uncertainty values based on b.…

A: Accuracy refers to how closely a measurement matches with a correct value. Precision refers to how…

Q: What is the pHpH of a buffer solution containing 0.20 MM HC2H3O2HC2H3O2 (acetic acid) and 0.20 MM…

A: Given :-  [HC2H3O2] = 0.20 M  [C2H3O2-] = 0.20 M  Ka for acetic acid = 1.8 x 10-5  To calculate :-…

Q: Compute the standard entropy change for the following reaction: 3N2H4(1) + 403(g) → 6NO(g) + 6H20(1)…

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Q: What is the percent ionization of 0.40 M butyric acid (HC4H7O2)? (Ka = 1.48 × 10–5.)

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Q: 1. 43 g of Sodium Chloride in 1 L of water. 2. 25 g of Calcium Chloride in 1 L of water. Compute for…

A: We are authorised to solve only one question at a time. Please post rest of the questions…

Q: The arsenic in a 1.203-g sample of a pesticide was converted to H₃AsO₄ by suitable treatment. The…

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Q: . Presence of interfering contaminants in the sample is an example of this error. 2. A substance…

A: Answer- Errors in measurements-  There are different types of errors.

Q: Which of the following is a secondary alcohol اختبار سري O 3-Methl-1-pentanol 1-Butanol 2-chloro…

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Q: N-C) CI

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Q: 2. A sample iron ore weighing 0.6428 g is dissolved in acid, the iron is reduce to Fe2*, and the…

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Q: The value of ΔS° for the decomposition of POCl3 into its constituent elements, 5 2POCl3 (g) → P2…

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Q: How many millimoles of NaCl are present in 25 mL of a 0.035M solution?

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Q: Use data to compute AG° for the following reaction. 2CIO2 (aq) + O2(g)→ 2CIO3¯(aq) AG°f (CIO2¯(aq))…

A: Given -> 2ClO2- (aq) + O2(g) ---> 2ClO3-(aq) ∆G°f(ClO2-(aq)) = 17 KJ/mole ∆G°f(ClO3-(aq)) = -3…

Q: exist? 4. What makes bromocresol green and phenolphthalein suitable for the double- indicator…

A: 4. The pH value of phenolphthalein ranges between 8.3 to 10. which makes it suitable as double…

Q: In pure water, what are the concentrations of H+ and OH- ions?

A: Given; ions

Q: REAGENT AMOUNTS In this section, you must record the actual amounts and volumes of reagens use in…

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Q: ompare and contrast polar and non-polar molecules based on their physical properties in 5 sentences…

A: Let us Discuss about polar and non-polar molecules.

Q: How many millimoles of NaCl are present in 150 mL of a 4M solution?

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Q: The half‑equivalence point of a titration occurs half way to the equivalence point, where half of…

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Q: The Lewis structure for formic acid (HCOOH) shown below is incorrect. Starting from this structure,…

A: Lewis structure is very simplified representation of valence electrons present in the molecule... In…

Q: What amino acid residues interact with methylphenidate in DAT and NET protein active sites? please…

A: The three human monoamine transporters (MATs) i.e. the dopamine transporter (DAT), the serotonin…

Q: The preparation of an aqueous solution is described in the table below. For this solution, write the…

A: Given: 0.16 M HI (strong acid) is poured in to 1.1M KF and 1.1 M HF solution.

Q: What is the wavelength (in nm) of blue light that has a frequency of 6.59 × 10¹⁴ s⁻¹? (c = 3.00 ×…

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Q: Combustion reactions occur when any substance is burned. Research a particular combustion reaction…

A: A combustion is a chemical reaction between hydrocarbon and oxygen to yield carbon di oxide , water…

Q: normality

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Q: 1. Balance the following equation using the smallest set of whole numbers: SO + LizSe SSe; + Li:0 ->…

A: 1) __SO2 + __Li2Se → __SSe2 + __Li2O

Q: camparing vanious alkyl halides reactivity toward SN1 reactions using water as a nucleopnile Entry #…

A: Here we have to explain the better leaving group from the given experimental data of SN1 reaction in…

Q: The data below apply to the reaction. A > 2B+ C. If there are no B and C present initiany. t/h 3 12…

A: Formula used K= 2.303/t × log (a/a-x) where a = initial concentration t = time in hour x= amount of…

Q: Compare and contrast the physical properties of polar and non-polar molecules in 5 sentences ONLY

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Q: fön in a 25.00-mL sample was converted to dicyanoargentate (l) ion by the addition of a xcess…

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Q: Na2CO3 (aq) + CaCI2 (aq)

A: Given :-  Na2CO3(aq) + CaCl2(aq) →  To determine :-  Product(s) formed in above reaction

Q: Freon-113, C2Cl3F3, has an enthalpy of vaporization of 27.04 kJ/mol and a normal boiling point of 48…

A: Given - - > P1 = 1 atm P2 = 0.1 atm T2 =? T1 = 48°C = (48 + 273.15) K = 321.15 K R = 8.314…

Q: The samples you collected during distillation were kept in a fridge for a week before being analyzed…

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Q: CoCl4-2 {blue} + 6 H2O Co(H2O)6+2 {red} + 4 Cl- + heat

A: Co(H2O)62+(aq) + 4 Cl-(aq) <=> CoCl42-(aq) + 6 H2O(g)      The Co(H2O)62+ complex is…

Q: Assignment 11 Questions (Chapter 11) 1) How many alpha hydrogens does acetone have? a) 2 b) 4 c) 6…

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Q: I am following this procedure to extract ibuprofen from tablets and was wondering if someone could…

A: Ibuprofen have Functional Group which are acidic in nature  ( carboxylic  Acid )

Q: prepare 0.1 M and 0.1 N solution of sodium thiosulphate in 100 ml of volumetric flask.

A: Molarity is the number of moles of solutes present in one liter of solution while normality is the…

Q: 9. S-0------S–0 O dispersion force O dipole-dipole O hydrogen bond O ion-dipole 10. O-0------0–0 O…

A: The attraction forces between the different molecules are known as intermolecular forces.

Q: One mole of photons at wavelength 650. nm has of energy. 184 kI

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Q: Give a clear handwritten answer...

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Q: If a student is titrating 10.0 mL of 1 M HNO3 with 1M NaOH and another students is  titrating 10.0…

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Q: Are there any examples in which an ionic solid contains covalent bonds?

A: For example, In potassium cyanide (KCN), the carbon (C) and nitrogen (N) are both nonmetals, so they…