What is the equilibrium constant expression for the equilibrium between dinitrogen tetroxide and nitrogen dioxide? N2O4(e) 2 2 NO2e)

Q: Use the van der Waals equation of state to calculate the pressure of 3.20 mol of CH, at 479 K in a…

A: Given that, for CH4  The number of moles is n = 3.20 mol, The temperature is T = 479 K, The volume…

Q: EVALUATION #1 MULTIPLE CHOICE. ENCIRCLE THE LETTER THAT CORRESPONDS TO THE CORRECT ANSWER. 1. WHICH…

A: EFFICACY OF THE PRODUCT FOR ITS INTENDED PURPOSE  is correct. Emollients  Sanitizers - These are…

Q: Listen Which functional group is represented by the molecule below? H3C' H. Amine Aldehyde Ketone…

A: Identified the function group present in the given structure ---->

Q: Determine the relationship between the observed/apparent value (EX) VERSUS that of the true value…

A: Determine the relationship between the observed/apparent value (EX) VERSUS that of the true value…

Q: 3. Draw a Newman projection (staggered) viewing from C2-C3 of  (a) 3-methyl-2-butanol (b)…

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Q: но O-H OCH,CH HO.

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Q: Complete the table shown to the right for the​ half-life of a certain radioactive substance. ​…

A: Here we are required to find the decay constant for the given radioactive substance

Q: a. Which of the following statements concerning structural isomerism is/are INCORRECT? (1)…

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Q: 2. Draw the structure of following compounds: a) 2-methoxypentane b) 1-isopropoxy-3-methylbutane

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Q: The Tl in a 9.76-g sample of rodenticide was oxidized to the trivalent state and treated with an…

A: Tl3+ was titrated with an unmeasured excess of Mg/EDTA solution.

Q: Which of the following statements is NOT TRUE for all voltaic cells Anode and cathode are in 2…

A: We have asked to find out the statements which are not true for all voltaic cells. The answer to…

Q: 10.0 g of acetic acid (CH3COOH) reacts with 10.0 g of lead(II) hydroxide to form water and lead (II)…

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Q: Describe the preparation of 5.0L of 0.358 M BaCl2 from BaCl2.2H2O (244 g/mol).

A: Given, Molarity of BaCl2 solution = 0.358 M = 0.358 mol/L Volume of the solution = 5.0 L Molar mass…

Q: a. Which of the following compounds have the same empirical formula? (1) But-2-ene (2) Propane (3)…

A: Answer: Empirical formula is the type of formula in which all the atoms has been represented in…

Q: Use the following information to calculate the standard enthalpy of formation of NO>(g) at 298 K?…

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Q: N2(g) + 202(g) → 2NO2(g) AH = +66.4 kJ Complete the table for Reaction 3. Assume the process occurs…

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Q: 15.) Which of the following systems has the greatest change in internal energy? A.) A mixing of two…

A: The internal energy of the system is the sum of all types of energy of the system. During the change…

Q: 7-methyl-3-methylideneocta-1,6-diene Which kinds of transition could you expect from the given…

A: Given compound: 7-methyl-3-methylideneocta-1,6-diene The structure is:

Q: 1.3 mole of helium gas at a temperature of 276 K is confined to a cubical container whose sides are…

A: Solution - According to the question - Given data - T = 276 K L =12 cm Pressure accordibg to Kinetic…

Q: Product: DRY SENSITIZED SOLAR CELL (a) How was it produced using nanotechnology? (b) What are the…

A: (a) A dye-sensitized solar cell ( DSSC, DSC, DYSC or Grätzel cell) is a low-cost solar cell…

Q: why You won’t feel so incredible after being exposed to hazardous chemicals?

A: A chemical exposure may cause unpleasant effect on health as follows:

Q: Organometallic reagents such as sodium acetylide undergo an addition reaction with ketones, giving…

A: Given reaction is :

Q: What volume of 1.25 M HCI reacts with 13.49 g Al in the reaction below? 2AI + 6HCI → 2AICI3 + 3 H2…

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Q: Which class of hydrocarbon derivative has the general formula R - NH2? Aldehyde Alkyl Halide OAmide…

A: Given-> R-NH2 Functional group is the atom or group of atoms which attach with carbon compound…

Q: What is oxidation number of O in O2 ?   Choose the correct answer from the given choices below: a.)…

A: We have to predict the oxidation number of oxygen.

Q: A city's water supply is contaminated with a toxin at a concentration of 0.63 mg/L. For the water to…

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Q: A solution was prepared by dissolving 514 mg of K3Fe(CN)6 (329g/mol) in sufficient water to give 850…

A: Given,  Mass of K3[Fe(CN)6] in mg = 514 mg  Molar mass of K3[Fe(CN)6] = 329 g/mole  Volume of…

Q: Draw the major product of this reaction. Ignore inorganic byproducts. 1. Hg(OAc)2, H20 2. NaBH4,…

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Q: choose the best that describes water vapor molecules: a. are invisible b. color the sky blue c. make…

A: This question is related to physical chemistry. Physical chemistry is branch of chemistry in which…

Q: A 0.150 M NaOH solution is being used to titrate 50.0 mL of a 0.150M ascorbic acid solutic a. What…

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Q: A 2.5 M solution of a weak acid is prepared. Using a pH meter, the pH is measured to be 5.1.…

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Q: If 1.58 g Ar are added to 3.61 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of…

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Q: 100.0 grams of sodium sulfate reacts with 50.00 grams of barium nitrate. e) How much excess reactant…

A: Here 100 g of Na2SO4 reacts with 50 g of Ba(NO3)2 . We have to determine mass of excess reactant…

Q: 4.Complete the following reaction H SO, (a) + ΗΝΟ, CH3 (b) FeCls + Br2 CH3 Br. (c) + H,SO4 Br

A: Aromatic electrophilic substitution reaction: Aromatic electrophilic substitution reactions are the…

Q: For the following reaction at 25oC, Ho = +115 kJ and So = +125 J/K. Calculate Go for the reaction at…

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Q: For items 1-4, consider the isothermal expansion of a 1.5 mole of monoatomic gas gas from a pressure…

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Q: Half-Life 1189 years Decay Rate, k Complete the table shown to the right for the half-life of a…

A: Given, Half life = 1189 years Decay rate, k = ?

Q: Sea water contains an average of 1.08 x 103 ppm of Na+. Calculate the pNa for the sea water.

A: Given: Concentration of Na+ = 1.08 x 103 ppm Molar mass of Na = 23 g/mol

Q: 4. Cu(s) + 2 AGNO.(aq) → Circle one: VOLTAIC / ELECTROLYTIC Substance oxidized: Substance reduced:

A: A reaction is in which oxidation and reduction takes place simultaneously is known as redox…

Q: What is the fraction of monomers (p) that have been used in a stepwise polymerisation reaction if…

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Q: For the reaction at equilibrium: 3Fe(s) + 4H20(g) S Fe304(s) + 4H2(g), removing some of the product,…

A: Le Chatelier's principle :- It states that, if stress is applied to a system at equilibrium by…

Q: Calculate the pH, the pOH, and the molarity of all species in solution for a 2.45 M butanoic acid…

A: Given :- molar concentration of butanoic acid = 2.45 M  To calculate :-  Molarity of all species…

Q: CH3 CH;CHCH,CHČHCH3 1. CH3 CH3 „CH,CH3 `CH,CHCH3 ČH3

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Q: Calculate the OH– concentration & pH of a 0.45 M NH3 solution (Kb=1.75 × 10–5)

A: NH3  is a weak base Given dissociation constant of NH3 is (Kb) =1.75×10-5 Concentration of NH3 is =…

Q: Define the following: 1. emulsion 2. suspension 3. colloidal dispersion

A: 1. Emulsion- In an emulsion, one liquid (the dispersed phase) is dispersed in the other (the…

Q: Which will make a good substitute for bromocresol green in a double indicator titration?…

A: Aqueous bromocresol green indicator solution is yellow below pH 3.8 and blue above pH 5.4. Between…

Q: Show how the compound can be prepared from acetylene and alkyl halides with four or fewer carbon…

A: Given ketone is :

Q: What could be the effect of the following solutions on the determination of the molecular weight of…

A: We have asked to answer what could be the effect of the following solutions on the determination of…

Q: Directions: Solve the problem with a complete step-by-step solution. A 0.8040-g sample of iron ore…

A: A 0.8040 g of iron ore is dissolved in an acid. The Fe2+ is titrated with 47.22 mL of 0.02242 M…

Q: 7) Cr + MnO2 (a) → Cl2 (2) + Mn2* 8) S,0,2- + TI* → 2S0,- + TI*

A: Balancing Redox Equations--