Complete and balance the following redox equations using the method of halfreactions. 1. Cu(s) + 4H+ (aq) → Cu+2+NO₂(g) (acid)

Q: Calculate the atomic mass for iron given the data for its natural isotopes. Fe-54: 53.940 amu 5.82%…

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Q: Consider the reaction: 3H2(g)+N2(g)=2NH3(g) If this reaction is at equilibrium and the pressure is…

A: given  reaction: 3H2(g)+N2(g)=2NH3(g)

Q: What mass (measure in g) of copper sulfate is required to prepare 80.0 mL of a 0.300 M solution?…

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Q: Draw the product for the following reaction between an alkyne and one equivalent of HCI. HCI…

A: we need to draw the product of the reaction

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Q: Consider the following reaction. 2 NO₂(g) = N₂O4(g) When the system is at equilibrium, it contains…

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Q: dentify the common properties of acids, bases, neutral molecular compounds, and neutral ionic…

A: Acid is substance which release hydrogen ions and base is substance which release hydroxyl ions when…

Q: (SHOW CALCULATIONS) Use Hess's Law to calculate the enthalpy change for the reaction 1/8 Sg(s) +…

A: ΔHreaction = -297 kJ

Q: Consider the following equation: C3H8 + 502 3CO2 + 4H₂O What volume of oxygen at 310 K and 2.82 atm…

A: Given reaction is :  C3H8  + 5O2 -------> 3CO2 + 4H2O  Temperature = T = 310 K  Pressure in atm =…

Q: Calculate the Kb of F- and the Ka of HF if a 0.0250 M KF has a pH of 7.770

A: Given,  The molarity of KF is 0.0250 M  has a pH of 7.770 the Ka of HF and Kb of F- is:

Q: Write formula units by combining the following cations and anions. Enter your answer in the answer…

A: A compound is formed by the electrostatic interaction between the cation and the anion. The cation…

Q: + NaOCH₂

A: Robinson annulation: The given reaction is an example of Robinson's annulation reaction. In this…

Q: Be sure to answer all parts. Draw the structure corresponding to each IUPAC name. a.…

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Q: A. Arrange the following radicals in order of decreasing rate of bromination. Justify your answer.

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Q: Calculate the mass in grams for 5.42 x 1022 molecules of propane gas (C3H8) at STP. (Given that…

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Q: NH₂ 1. NaNO2, HCI 2. HBF4

A: Aromatic amine reacts with sodium nitrite and hydrochloric acid at 0oC temperature to form a…

Q: Copper can have improved wear resistance if alloyed with ceramic alumina, Al₂O3. If a copper alloy…

A: Given,  Copper alloy has 7.8 % Al2O3

Q: V(CO)6 undergoes CO substitution by an associative mechanism. explain and show the complete…

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Q: The weedkiller propanil used in the rice fields is an amide. Write the analysis and synthesis this…

A: Given in following question strecture of a propanilus3d in rice fields is na amide . Write the…

Q: 17. You have plenty of salts that are in front of you and you are trying to figure out which salts…

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

Q: HEAT + N204 = 2NO2 if the temperature increased, what would be the effect on the equilibrium? also…

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Q: 12. The energy required to excite an atom from level n=1 to level n=2 is 1.43 x 10-17 J. Calculate…

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Q: pH regulation in cells The regulation of pH by cells is accomplished primarily through Multiple…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

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A: Given that, The mass of the empty container is m0 = 54.54 g, The total mass of the container and the…

Q: 8. Use the VSEPR theory to predict the geometry of the following polyatomic ions, then draw their…

A: The geometry of the above compounds according to VSEPR theory is given below

Q: How many moles of N2 gas are generated from 0.50 mol of NaN3 used in a bag? The reaction equation…

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Q: Predict the number of unpaired spins in: - [Cr(en)3 ] 2+ (ethylenediamine is a strong field ligand).…

A: Given,  [Cr(en)3]2+ (ethylenediamine is a strong field ligand).  And   [Mn(H2O)6]2+ (water is a…

Q: 5. Write the equation for assay of thiopental sodium_substance. Give the value of stoichiometric…

A: Sodium thiopental works as a general anaesthetic and it is one of the most widely used barbiturate…

Q: A nitrile compound is prepared from cyclopentene. The following is an analysis of the disconnection…

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Q: 1. Calculate the normality of potassium permanganate (MW: 158.034 g/mol) if 0.2142 g of sodium…

A: Normality is used for measuring concentration of a solution. Concentration of solution can also be…

Q: + NaOEt HO.

A: In Micheal's addition reaction a nucleophilic addition reaction takes place at the carbon-carbon…

Q: 1. For this reaction: Al 02-> A1203 a. How many moles of aluminum oxide will be formed from 17 moles…

A: 1) given, _Al + _O2 ➝  _Al2O3 a) moles of Aluminium oxide formed from 17 moles of aluminium reacting…

Q: 3. How many milliliters of 0.1 N sodium hydroxide will be needed to neutralize a 25.00-mL solution…

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Q: 21) If a quantity of this substance was at an initial pressure of 1.25 atm and a temperature of 0°C…

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Q: Draw one view of these four molecules and indicate the bond angles. Upload a photo of your drawing…

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Q: (Intermediate) Reactant Xaqa a Apply Mechanism Hint Solution 2 remaining step(s) can be solved 2…

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Q: Question 9 188pb has a half-life of 25.5 s. If a sample of this isotope is initially 750.0 g. what…

A: 9) Given, Half life of 188Pb = 25.5 s Initially amount of isotope = (188Pb)o = 750.0 g mass (in…

Q: Click the "draw structure" button to launch the drawing utility. Draw the structure of a molecule…

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Q: For each reaction below, write the conventional, ionic, and net ionic equation.  Include designation…

A: Given,  Zinc chloride solution is poured into a solution of ammonium carbonate, the net ionic…

Q: 2. Mn+2 (aq) + NaBiO3(s) → Bi+³ (aq) + MnO4 (aq) (acid)

A: Here we are required to balance the redox reaction in acidic medium

Q: For the synthesis of ammonia at 500C, the Keq is 6.0 x 10^-2 Predict the direction in which the…

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Q: Match the following aqueous solutions with the appropriate letter from the column on the right.…

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Q: A 5.27-g sample of an ant-control preparation was decomposed by wet ashing with H₂SO4 and HNO3. The…

A: I2 is generated through electrolysis for the titration of HAsO32-(aq). Current supplied, I = 105.2…

Q: 4000 100 8898 IR Spectrum (liquid film) 60 % of base peak 3000 800 V (cm¹) M Mass Spectrum CHyOz 80…

A: The DBE is double bond equivalent. It helps to get an idea about the number of possible double bond…

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A: we know that alpha cleavage takes place in case of pi bond system. Here two possibility to cleavage…

Q: 5. A 1.0M solution of HCI is titrated with a 1.M solution of NaOH to an equivalence point of pH 7.…

A: Titration is a method of chemical analysis where the quantity of some constituent of a sample is…

Q: Many remote villages depend solely on wells to supply their drinking water. A ground water analyst…

A: we have to calculate volume of sample of well water