A 0.100 g sample of an unknown compound has a pressure of 70.5 mm Hg in a 256 mL container at 22.3 oC. What is the molar mass of the compound?

Q: Use the Born-Haber cycle to calculate the lattice energy of KF. [The heat of sublimation of K is…

A: Given-> Heat of sublimation of K = 91.6 KJ/mole ∆Hf(KF) = -567.3 KJ/mole Bond enthalpy of F2 =…

Q: What is the pH of a 0.627 M weak base solution? The Kb of the weak base is 0.000066.

A: Given :- concentration of weak base solution = 0.627 M  Kb for weak base = 0.000066  To calculate :-…

Q: Which of the following acids is the strongest? A. Ascorbic acid, pK₂ = 11.3 B. Chlorous acid, pK₂ =…

A: Note : Lower the Pka value higher the acidity. Here trifluoro acetic acid pka value = 0.23.…

Q: 2 HC162) + Mg (S), Molealar equation Total jonic equation Net jonic equation

A:

Q: In which substance is hydrogen bonding an important intermolecular force? H butyl alcohol H dimethyl…

A: In this question we have to tell which substance contain intermolecular hydrogen bonding.

Q: A helium-filled weather balloon has a volume of 564 L at 15.9°C and 757 mmHg. It is released and…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: Name the following complex ions. formula [Ti(OH)] [Fe(CO₂),] name 0

A: [CrBr4]2-            Tetrabromidochromate(II) ion [Ti(OH)6]4-         Hexahydroxotitanate(II) ion…

Q: n Dean applies a current to a molten mixture of ZnCl₂, PbF₂, and MgI₂, the cations Zn²+, Pb²+, and…

A:

Q: Volume of 0.10 M NaOH added, mL pH Color of Solution 0.0 mL (initial) 3.7 Yellow 0.5ml 4.2…

A: THIS IS A WEAK ACID VS STRONG BASE TITRATION,HALF EQUIVALENCE POINT IS WHERE pH of the solution…

Q: What type(s) of intermolecular forces must be overcome when liquid dipropyl ether (CH3CH₂CH2-O-…

A: Given : We have to tell what type of intermolecular forces overcome when ether is heated.

Q: "One HCI molecule can form O, N, or F." lone pairs on O, N, or F and hydrogen bonds because it has…

A: Given : We have to fill up the blanks.

Q: A 22.6 mL sample of 0.318 M dimethylamine, (CH3)2NH, is titrated with 0.265 M hydrobromic acid.…

A: First we would write a reaction between given compounds . Then using moles of each compound , we…

Q: Choose the true statements about acidic, basic, and neutral aqueous solutions below. Select all that…

A: 1. In a basic solution hydroxide ion concentration is more than proton concentration. 2. In neutral…

Q: A 5.185-g sample of calcium is burned in air to produce a mixture of two ionic compounds, calcium…

A: Given: Mass of calcium burned = 5.185 g. Mass of calcium hydroxide formed = 4.601 g.

Q: When initial concentration of a reactant is doubled in a reaction, its half-life period is not…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: - Which one of the following statements is not correct? (a) The value of equilibrium constant is…

A: 1. (a): Calatyst does not change the value of equi librium constant as they affect forward as well…

Q: Identify the correct reactant, product or conditions for the following reaction 1. NaBH / ETOH CH3…

A: The reaction given is,

Q: 10) Classify the bonds of the following compounds as polar or non-polar. a) CH b) CO₂ c) NF,

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: I am completing my lab assignment called synthesis of an alcohol by hydrating an alkene.  Get two…

A: A question based on alkene that is to be accomplished.

Q: For each of the following compounds, decide whether the compound's solubility in aqueous solution…

A:

Q: sing the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy of…

A: Given : C(s) + 2Cl2 (g)--> CCl4(g)

Q: 1. 2 Class of compound Name Structure H H O CH₂

A: To determine claas of compound , we would check the hetero-atoms present .  To write name we would…

Q: M You have submitted yo X G traductor inglés españc x Tn Course: CHM 2045/LEC X Course Home…

A: Molecules in which dipoles do not cancel out each other having some dipole moment and so these are…

Q: True or false: The reaction, SO42- + 4H+ +2I- -->H2SO3 + I2 +H2O, will occur spontaneously under…

A:

Q: 3. Fog is a colloidal solution of (a) solid in gas (c) liquid in gas (b) gas in gas (d) gas in…

A: 3. c : Fog is an example of aerosol in which dispersed phase is liquid and dispersion medium is gas.…

Q: For the following reactions, identify the reducing agent, oxidizing agent, what is reduced, and what…

A: Since you have posted question with multiple subparts as per guidelines we can answer only three .…

Q: _) Which one of the following statements is incorrect about enzyme catalysis? (a) Enzymes are mostly…

A:

Q: When initial concentration of a reactant is doubled in a reaction, its half-life period is not…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: Predict the product(s) formed when tripalmitolein is treated with each of the following reagents:…

A:

Q: 1. Refer to the wave function table, the square of the wavefunction, is, for the hydrogen 1s orbital…

A: Quantum theory is branch of chemistry that explains the nature and behavior of matter and energy on…

Q: Find the number of representative particles in each of the following: show solution 0.116 mol NO2…

A: Number of particles = number of moles × Avogadro's constant Avogadro's constant, Na = 6.022 ×1023…

Q: 8. (8) Consider the following cell (initial conditions): Zn(s) Zn²+ (aq, 0.50 M) || Cu²+ (aq, 0.50…

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Q: Consider the following anions. Rank from most to least spread out. B) مد no resonance D O<S atomic…

A:

Q: Looking at the periodic table on the inside front cover in the textbook, can you find an example…

A: In this question, we have to choose the options which have exception in their atomic weight…

Q: 1. Zn | Zn²+ (1.0 M) || Cu²+(1.0 M) | Cu 2. Zn | Zn²+ (1.0 M) || Cu²+ (0.1 M) | Cu 3. Zn | Zn²+ (0.1…

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Q: Given a reaction that is at equilibrium with AG rxn = -50 kJ/mol, after adding extra product, which…

A: Given: ΔGo = -50 KJ/mol. And extra product is being added.

Q: For the reaction 21Br(g) of IBr is introduced into a 5-00-container, equilibrium? I2(g) + Br2(g), Kc…

A: Given that, a chemical reaction is 2IBr(g) → I2(g) + Br2(g). At 150oC, the equilibrium constant is…

Q: Use the data below to determine the Michaelis-Menton constant [in mM] of a certain enzyme-catalyzed…

A: Given that,  v1 = 0.152 mM/s at [S1] = 0.334 mM,  And v2 = 0.176 mM/s at [S2] = 0.450 mM. We have to…

Q: Which of the following pure substances experience the weakest intermolecular forces of attraction?

A: Types of intermolecular forces (IMF's):  1. Dipole-dipole : these forces present between molecule…

Q: Which indicator could be used to titrate aqueous NH3 with HCI solution? Acid Color- Indicator Range…

A: NH3 + HCl ---&gt; NH4Cl  NH4Cl is an acidic salts which pH&lt;7

Q: Predict the K vs T plot that best reflects this reaction. CH₂CH₂Br(aq) + Cl(aq) → CH₂CH₂Cl(g) +…

A: GIVEN:- Predict the K vs T plot that best reflects this reaction.  CH₂CH₂Br(aq) + Cl(aq) →…

Q: 1. Determine the most probable radius r at which electron will be found when it occupies the Is…

A: Here we are required to determine the most probable radius r at which electron is found when it…

Q: A reaction Vessel is charged with only. 3.69 dtm of No₂ 3.69 atm of H₂2₂0 and 1.85 atm of the gases…

A:

Q: Plastic 1. What are the general properties of plastics? low cost, easy to manufacture, durable,…

A: The general properties of plastics are :-  i) Low cost. ii) Easy to manufacture. iii) Durable iv)…

Q: Complete the ff nuclear equations. Write the mass number, atomic number, and symbol for the…

A: Nuclear reaction: The given reaction is a nuclear reaction. In the nuclear reaction, one nuclide is…

Q: Chemistry Gaseous methane CH4 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide…

A: Given, Gaseous methane (CH4) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide…

Q: The activation energy of a reaction can be determined from the slope of which of the following…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: ve submitted yo X G traductor inglés españc x Tn Course: CHM 2045/LEC X Course Home X…

A: Balanced equation is the equation in which equal number of atoms of each element are present on both…

Q: Using only a periodic table as a guide, arrange the following series of atoms in order of increasing…

A:

Q: Use the following information to determined AGran (kJ/mol). 2H₂S (g) + 302 (g)2SO2 (g) + 2H₂O(g)…

A:

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.