When two polar molecules are close to each other they will orient themselves so that the positive pole of one molecule attracts the  pole on the adjacent molecule. These intermolecular forces are called  -   forces.

Q: Calculate the binding energy of Al-28, and the transition energy of the Al-28/Si-28 beta-minus…

A: To calculate the binding energy of Al-28 and the transition energy of the Al-28/Si-28 beta minus…

Q: 1-25. The Reaumur temperature scale, while now obscure, was once in common use in some parts of the…

A: Given the temperature in Reaumur scale is - 20 or  We have to convert - 20 or into degree…

Q: 4. For the reaction C4H82 C₂H4 Plot the values of time vs P to determine the order of the reaction.…

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Q: A). Calculate the molar concentration of 1.00 ppm solutions each of Lit and Pb²+. B). What weight of…

A: To find out the molar concentration of 1.0 ppm solutions each of Li+ and Pb2+.   A solution of 1 ppm…

Q: -. The mechanism for the reaction of nitrogen dioxide with carbon monoxide form nitric oxide and…

A: The balanced reaction and the intermediate are given below

Q: What is the pka of the indicated hydrogen? H + CI

A: pKa is a number that describes the acidity of a particular molecule. It measures the strength of an…

Q: A. Predict the pressure of nitrogen gas at T =-98 K and v=0.00375 m³/kg on the basis of (a) the van…

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Q: calculate delta Hf for NO(g) at 575K assuming that the heat capacities of reactants and products are…

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Q: Write an equatition for the reaction of methanol with sodium?

A: Given,  The chemical equation between methanol react with sodium is:

Q: Compare the solubility of ethanol and ethylene glycol in hexane. compare the structures of molecules…

A: Comparing  the solubility of ethanol and ethylene glycol in hexane .

Q: List these solvent systems in order of increasing polarity 200:1 Ethyl acetate : acetic acid 15:1:1…

A: Polarity of a compound is governed by its dipole moment. The dipole moment is affected by the…

Q: ⒸMacmillan Learning On another planet, the isotopes of titanium have the given natural abundances.…

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Q: Determine the empirical formula of a compound that contains 54.5% carbon, 9.2% hydrogen and 36,3%…

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Q: If the initial partial pressure of HI is 0.171 atm, what is the equilibrium partial pressure for HI?…

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Q: Ascorbic acid (H₂CH₂O) is a diprotic acid. The acid dissocation constants for H₂CH₂O are Kal = 8.00…

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Q: The initial concentration of chlorous acid is 0.100 M. What is the equilibrium concentration of…

A: Given equilibrium reaction is  HClO2(aq) + H2O(l) ⇔ H3O+(aq) + ClO2-(aq)  Equilibrium constant (Kc)…

Q: How many joules of heat energy are needed to heat 25.0 g of ice at -5.0°C to a final temperature of…

A: Here we are required to find the heat energy needed for heating 25g of ice at -5°C to 40°C

Q: Calculate the concentrations of all the species in a 0.100 M Na₂CO, solution.

A: The given concentration of the Na2CO3 solution is ---- 0.100 M In the aqueous solution Na2CO3…

Q: The radius of a uranium atom is 149 pm. How many uranium atoms would have to be laid side by side to…

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Q: 8. Thallium (1) is oxidized by cerium (IV) as follows: TI+ + 2 Ce+ → T1³+ + 20e³+ The elementary…

A: Given that,  Thallium (I) is oxidized by cerium (IV) as follows  Tl+ + 2Ce4+ → Tl3+ + 2Ce3+ The…

Q: --- όλο το στο H-C-0 Ο Η Η Η Η Η Η Η Η Η - |HHEIT C-C-C-C-C-C-C-C-C-H II Η Η Η Η Η Η Η Η Η Η Η…

A: Lipids are generally of three types; triglycerides, phospholipids and sterols. Triglycerides are…

Q: Ethylenediamine has pK, values of 4.072 (pKb1) and 7.152 (pKb2). What is the predominant form of…

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Q: How many milligrams of NO can be formed from 7.18 x 1021 molecules of NO2? Equation: 3 NO2 (g) + H2O…

A: Answer: Given chemical reaction: 3NO2(g)+H2O(l)→2HNO3(aq)+NO(g)

Q: A solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute,…

A: Given: The mass of NaCl = 40.00 g The volume of the solution = 1 L Temperature = 25 °C The…

Q: Determine the number of hydrogen atoms in one liter of water. The density of water is 1 g/ml.

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Q: Question 3^. Saved What are general rules for the lab? (Select all that apply.) If instructions are…

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Q: A piece of a newly synthesized material of mass 25.0 g at 80.00°C is placed in a calorimeter…

A: Dear student since you have posted multiple questions we will solve the first question for you if…

Q: ) a) Using Fig. 1.9 calculate the compressibility factor Z for methane at 220 K and 46 bar. B/cm²…

A: Compressibility factor : It is the deviation in the behaviour of gas from its ideal behaviour.

Q: In the process of making the alum solution we started with hot water because and we cooled the…

A: To fill in the blanks for the given paragraph.

Q: 1. Provide a structure consistent with the following data: 3H 2H 3.5 25 ppm 2H 2H 15 Mass Spec…

A: The structure of the  compound is analyzed from the spectral informations we got. The final…

Q: Consider an alloy of 57 wt% FeO and 43 wt% MgO. a. Calculate the composition of the alloy in atomic…

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Q: Use the periodic table to identify the elements with the following electron configurations.…

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Q: 6. fluorine and 128.7g cesium? What amount of cesium fluoride in grams can be produced from a…

A: Given reaction, 2Cs (s) + F2 → 2CsF 128.7 g of Cesium reacts with 66.3 g of fluorine to give cesium…

Q: a silver spoon with a mass of 111gm is submerged in 25.4 ml of water and the volume changed to 36.0…

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Q: HO IZ

A: Loan pair :-  The extra pair of electrons around the atom in the valence shell. which are not used…

Q: Discuss how an electrochemical cell is constructed and show a diagram indicating all its components.

A: •ELECTROCHEMICAL CELL=> A cell which can produce electric current by chemical reaction.…

Q: Give the IUPAC name in polyfunctional compound.

A: Naming polyfunctional organic compound :- First we need to select the prime functional group from…

Q: what are the methods used to reduce the incidence of acid deposition and photochemical smog; e.g.,…

A: Several methods are now adapted to reduce the incidence of acid deposition and photochemical smog…

Q: Rank the following from smallest (1) to largest (6) electron mitochondria insect cell enzyme human…

A: We are given electron, mitochondria, insect cell, enzyme, human and atom. these are to be arranged…

Q: 1) Write a short essay on the classification of nanomaterials based on structure, size and phase

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Q: In a 0.080 M NH3 solution, what percent of the NH is present as NH?

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Q: The acid dissociation constants for phosphoric acid (H₂PO4) are Kai = 0.00711, Ka2 = 6.32 x 10-8,…

A: Given data : Ka1 = 0.00711  Ka2 = 6.32×10-8 Ka3 = 7.1×1-13

Q: A body was found in the basement of the Underwater Basket Weaving Building at 12:00 noon today,…

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Q: Draw Constitutional isomers of C4H9N....

A: Constitutional isomers of C4H9N are divided into two as under: 1. Cyclic 2. Non-cyclic

Q: A. Predict the pressure of nitrogen gas at T =-98 K and v=0.00375 m³/kg on the basis of (a) the van…

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Q: Experimental results describing a protein's amino acid composition are useful for estimating the…

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Q: Calculate the mass (in grams) of 4.59×1024 atoms of Cu. Calculate the number of atoms of Cu in 52.1…

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Q: 3) Write a mechanism for the following proton-transfer reaction. H + NaOH -ONa+ H₂O

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Q: What is the theoretical yield in grams of Ca(OH)2 if 2.04 g of KOH react with 3.02 g of CaCl2•2H2O…

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Q: Which of the following alk isomers?

A: Stereochemistry is branch of chemistry which show arrangement of atoms in molecule in three…