The decomposition of NO2 is a second order reaction and the rate constant is 0.755 L/mol-s. In an experiment, the initial concentration of NO2 was 0.00650 mol/L. How many seconds will it take for the concentration of NO2 to drop to 0.00100 mol/L

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A: Given,  The volume of a gas at 760.0 mmHg pressure is 4.50 L, the volume of a gas at 200.0 mmHg…

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Q: A 10.0 L tank at 25.1 °C is filled with 6.70 g of dinitrogen monoxide gas and 10.9 g of sulfur…

A: Given :-  Mass of N2O = 6.70 g  Mass of SF4 = 10.9 g  Volume = 10.0 L  Temperature = 25.1°C  To…

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Q: The molar solubility of  iron(II) hydroxide  in a  0.294  M  iron(II) nitrate  solution is M.

A: FOR THIS WE NEED THE SOLUBILITY PRODUCT OF IRON(2) HYDROXIDE,WHICH IS 8*10(-16).

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Q: A laboratory group measures an excess of a volatile liquid. They add this to an empty flask with a…

A: Given-> Volume = 700 ml = 0.700 L. (1L = 1000 ml) T = 93.5 °C = 93.5+ 273 = 366.5 K P= 0.987 atm…

Q: 600.0 mL of air is at 20.0°C What is the volume at 60.0°C? Which gas law should you use? (use A =…

A: we need to use a gas law and calculate the volume

Q: Consider the following galvanic cell: Ag(s) | Ag*(3.0 x 1o“ M) || Fe3*(1.1 × 10-³ M), Fe2*(0.040 M)…

A: We are given a galvanic cell and we have to answer questions based on that.

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A: All these given transformations require one of the common reaction of the aromatic moiety namely…

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A: Answer: chemical formula of CH3NH2 is = CH3NH2 Chemical formula of C4H9N is  = C4H9N

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A: Given reaction- 4HCl +O2 ->2H2O +2Cl2

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Q: The decomposition of N2O5 is a first –order reaction with a rate constant of 0.420  min-1. If the…

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Q: The specific heat of nickel is 0.444 J/g 0C. If 50 J of heat is added to 32.3 g sample of nickel at…

A: Final temperature of the sample = ? Specific heat, c = 0.444 J/g 0C. Heat, Q = 50 J Mass, m = 32.3 g…

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Q: A 40.0 mL of 0.200 M H,NNH, was titrated with 10 mL of 0.100 M HNo, (a strong acid). Fill in the ICE…

A: To draw ICE table , we would first calculate moles of both acid and base . Then we draw ICE table .

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A: ->If electron donating group attached then it increases electron density in ring and it is ortho…

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Q: 6.) A 25.00-mL sample of HCI is titrated with 0.1001 M NaOH, 49.90 ml of base is required to reach…

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Q: Draw the trans isomer of the octahedral [FeBr, (CO), complex.

A: ->In complex compound trans iosomer is isomer in which similar groups are on opposite sides (at…

Q: The rate equation for the reaction A→B + C is expressed in the forms of Rate of disappearance of A =…

A: The reaction : A --> B + C  rate of disappearance = - d[A]/dt = k [A]0 , as it is zero order…

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Q: A sample of gas contains 0.1200 mol of HBr(g) and 6.000x10-2 mol of Cl2(g) and occupies a volume of…

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Q: Write a net ionic equation for the reaction that occurs when aqueous solutions of hydrocyanic acid…

A: Procedure to write net ionic equation : Write balanced molecular equation with physical states of…

Q: Question 6 At STP a sample of gas with a mass of 23.9 grams occupies 14.7 L. What is the molar mass…

A: Given-> At STP - T =273 K P = 1 atm Weight = 23.9 gm Volume = 14.7 L

Q: Which of the following describe the Integrated rate Law for the 2nd order kinetics? Select one: a.…

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Q: Consider this metal complex: 3- CI Br Br CI Cl Complex A Now decide whether each complex in the…

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Q: The combustion of octane, C, H, proceeds according to the reaetion shown. 18 2 C,H18() + 25 O,(g) →…

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Q: A steel tank contains a mixture of Ar and He gases. The total pressure in the tank is 5,514 mmHg. If…

A: Given: Total pressure of gases = 5514 mmHg Partial pressure of He = 1881 mmHg

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Q: The study of energy changes that accompany chemical and physical changes is known as? Select one: a.…

A: It is not definition of physical chemistry because it is interactions and transformations of…

Q: 10) The following results were obtained in an analysis of iron content in an ore sample. The results…

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Q: Write the IUPAC name for the given molecule

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A: Given statements are  The α-carbons of all the D-amino acids except Proline and histidine have to…

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