a. N204(g) ® 2 NO2(g) b. NaCI(s) ® Na *(aq) + CI "(aq) c. 2 NH3 ® N2(g) + 3 H2(g) d. CaO(s) + CO2(g) ® CaCO3(s) e. 2 C(s) + O2(g) ® 2 CO(g)

Q: NH

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Q: of the following cell diagrams represents a galvanic cell? (ɛ° red(Cd E(s) | Cd2*(aq) || H*(aq)|…

A: 1) Given , Current (i) = 18.0 A Time(t) = 4.40 × 3600 = 15840 s Charge (Q) = it   = 15840 ×18 =…

Q: 3.Which has higher ionization energy, potassium cation or chlorine anion? Why?

A: Ionisation energy is defined as amount of energy required to pull the electrons of outermost shell.

Q: 5. For the reaction 2 NO2) N,O(«) (a) At a given temperature, 1 mole of NO, is placed in a 10-…

A: Given reaction is :  2NO2 (g) <-----------> N2O4 (g)  (a). Initial moles of NO2 = 1 mole…

Q: ) The above synthesis was designed using the Organic Chemistry Roadmaps in the appendix of your…

A: Here we are required to find the compound c after several reaction.

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A:

Q: Would you expect the following steroid can form a lipid bilayer? In other words, if you were to mix…

A: Lipid bilayer  is two layers of lipid molecules formed by polar and non-polar end of lipid…

Q: Scandium ion has a completely filled d-sublevel. The first ionization energies of the 2nd and 3rd…

A: #1:  Scandium(Sc) is the first element of d-block with atomic number 21.

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A: Oxygen binding affinity of hemoglobin and  effect of BPG

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Q: Does a solid product form when 3.5 X 10-5 grams of silver nitrate is dissolved in 18.0 mL of 3.5 x…

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Q: A mixed thorium decay product sample is separated into elements, yielding a 1.19mg sample of…

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Q: 3.Which has higher ionization energy, potassium cation or chlorine anion? Why?

A: Given in following question potassium cation and chlorine anion which higher ionization energy and…

Q: Identify the oxidation numbers to all the elements in each of the compound or ior HCI

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Q: 20. A water sample is 0.00055 M in CaCO3 (MW= 100.09 g/mol). The concentration in parts per million…

A: Concentration in terms of parts per million is defined as (mass of solute)/( mass of solutions )*106…

Q: Calculate the enthalpy, in kJ/mol, for the combustion of the hydrocarbon from the data from the…

A: Check the formula for ∆H which contains q and n in it and find out ∆H value for given data.

Q: How many grams of copper metal can be deposited from Cu2"(aq) when a current of 2.50 A is run for…

A: Given:: Mass of Cu = ? molar mass of Cu = 63.546 g mol-1 Current = 2.50 A Time (t) = 2.45 h = 2.45 ×…

Q: lentify the expected major product of the following electrocyclicreaction. + En + En + En II IV V

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Q: Molten ScCl3 can be electrolyzed to form metallic Sc. For what duration should an electrolysis be…

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Q: 27. A 0.2564-g sample of primary standard potassium hydrogen phthalate (204.23 g/mol) was titrated…

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Q: 2(g) |H '(aq) || Pb<'(aq) | PBS04(s) | Pb(s) he following standard reduction potentials. q) + 2 e¯ ®…

A: Cell equation,  Sn2+ + Cu2+ ---&gt; Sn4+ + Cu Cell potential is affected by concentration.  As the…

Q: 6. For the reaction 2 HI = H2) + I2) Keg = 0.016 at 500°C (a) If 1.0 mole of HI is placed in a 2.0-/…

A: Given reaction is :  2HI (g) &lt;---------&gt; H2 (g) + I2 (g), Keq = 0.016  (a). Initial moles of…

Q: Which of the following is the major product of the rapid reaction of cyclohexene with bromine in…

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Q: For the compound shown, the most probable site(s) of electrophilic aromatic substitution is/are: OH…

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Q: Question What volume of 2.0 M sulfuric acid is needed to prepare 100 mL of o.5 M sulfuric acid? Type…

A: The correct answer is given below

Q: (I) (II) (III) (IV)

A: Alkene stability Is depends on alpha hydrogen atoms.

Q: If Al is above Co in the activity series of metals, which of the following will occur if a strip of…

A: Given,  If Al is above Co in the activity series of the metals, which f the following will occur if…

Q: Write balanced half-reactions for the following redox reaction: 6 Cl,(g)+C,H,OH(1)+3 H,0(1) - 12 CI…

A: Reduction :-  The process of addition of hydrogen or loss of electrons or decrease in oxidation…

Q: 49,936.64 J of energy are released when 0.015475 mol C6H5COOH react. 5: What is the enthalpy of…

A: Given: Heat of reaction = -49,936.64 J Moles of benzoic acid = 0.015475 mol

Q: 20. At 0 °C the ion product constant of water, K, is 1.2 x10-15. The pH of pure water at this…

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Q: For which set of values of AH and AS will a reaction be spontaneous at all temperatures? O AH = +10…

A: For a reaction to be spontaneous, change in free energy for a reaction must be negative.

Q: In a lab, you diluted a sample of bleach to 1/10 concentration in a 250 volumetric flask. Then…

A: Molarity of sodium thiosulfate, Na2S2O3 used = 0.1215 M Bleach has NaClO or HClO that reacts with…

Q: Given the cell: Pb | Pb2* (0.120 M) || Cd2* (0.050 M) | Cd Answer the ff: 1. The standard cell…

A: Given reaction is :  Pb | Pb2+ (0.120 M)  || Cd2+ (0.050 M) | Cd  1. What is the standard cell…

Q: In a titration, the initial reading on my burette was 1.50 mL and the final reading was 15:7 mL.…

A: Given, Initial reading = 1.50 mL Final reading = 15.7 mL

Q: The pH of a solution with a [OH–] concentration of 1.20 x10–6 M are___, respectively.

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Q: Use the References to access important values if needed for this question. A 21.4 ml sample of 0.263…

A:

Q: H. Structures 1 and 2: HO. H. H. Structures 3 and 4: HO. H. H. Structure 5 and 6: OH OH Structure 7…

A: The given pair of structures are conjugate pairs, as they differ only by a proton ( H+ ).

Q: In an oxidation-reduction reaction, reduction is defined as the Loss of electrons O a. O b. Loss of…

A:

Q: Combine the cations and a formulas of chemical npounds. (1 PT. EACH) 02- ns a+ F- Co,2- e3+ |3+ +

A: Compound is formed by cation and anion.  So, formula of compounds are

Q: Suggest an efficet eyrtesn for the fol ng anse DMSO (dmetlyt lfoside) NaOE DMS (dimetyt lfide) 1)…

A: For the given transformation we can expect alkene as one of the potential intermediate.

Q: Sequence the steps required for a sodium chloride crystal to dissolve in water

A: Sodium chloride (NaCl) dissolves when water molecules constantly attack the NaCl crystal, pulling…

Q: 6. Arrange the following 0.01 M substances in order of increasing pH. HNO3: pK, = -1.38 HNO2: pk, =…

A: Given substances are :  a). HNO3 : pKa = -1.38  b). HNO2 : pKa = 3.14 c). HClO : pKa = 3.18 d). NH3…

Q: (iv) Re-draw the amino acid below in a Fischer projection. H2N но, Me

A: The Wedge dash is converted  to fischer in such a way that most oxidized  group at  top and most…

Q: 7. A 10.00-g sample of the ionic compound NaA, where A is the anion of a weak acid, was dissolved in…

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Q: The conventional equilibrium constant expression (Kc) for the system below is: 2IC1(s) F 1,(s) –…

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Q: A solution was prepared by dissolving 18.00 grams glucose in 150.0 grams water. The resulting…

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Q: the properties below apply to the -(CH I that apply. plymer formed by splitting out addition polymer…

A: It is formed by Adipic acid and hexametyldiamine So , it is condensation polymer.

Q: In the reaction 2K + Cl2 2KCI, the element oxidized is O a. Cl Ob. O b. K О с. C12 Od. O d. K+

A: In this question, we will identify the oxidized element in the above reaction.  You can see the…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.