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Q: B C D H₂O, KOH H₂O H₂O Dasic O neutral acidic basic neutral O acidic O basic O neutral acidic basic…

A: We have to find that the solution of pH of solution is rises or lowers because of some changes…

Q: Without using the noble gas abbreviated notation, what are the electron configurations of Li, Li+ ,…

A: Given : ions  Tip: first determine atomic number then calculate electrons

Q: What is the change in enthalpy when 1.25 moles 0₂ are reacted with an excess H₂ of according to the…

A: The given balanced thermochemical equation is 2H2(g)+O2(g) →2H2O(l)       ∆H =-572 kJ

Q: Solid sodium hydroxide is slowly added to 125 mL of a 0.0449 M chromium(III) acetate solution. The…

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Q: The red arrow in this graph indicates the changes that occur in the nucleus of an atom during a…

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

Q: 2) What position on the (deoxy)ribose attaches to the nucleobase? 3) Why are the (deoxy)ribose atoms…

A: 2.Answer:-  the nucleobase are attached to the C1C1 ( carbon -1) position of the deoxyribose sugar…

Q: Macmillan G A sample of N₂ gas has a volume of 23.0 L at a pressure of 1.50 atm and a temperature of…

A: is

Q: What are the product(s)?

A: We have been given a reaction of alcohol with HBr. Alcohol is an organic compound in which  hydroxyl…

Q: You need to make 1.22 L of a 455 mM solution of a compound with FW 178.65. How many grams of the…

A: Given Volume of solution = 1.22L Molarity = 455mM = 455 x 10 —3 M To find Grams of compound needed

Q: Benzene and toluene, when analysed isothermally on a 25 m × 0.25 mm i.d. capillary GC column, were…

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

Q: how do I find the wavelength of a photon that has an energy of 2.84 x 10-19 J? (h = 6.63 x 10-34…

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Q: Br

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Q: Macmillan Learning A sample of an ideal gas has a volume of 2.25 L at 278 K and 1.09 atm. Calculate…

A: Given -> Initial Volume (V1) = 2.25 L Initial temperature (T1) = 278 K Initial pressure (P1)=…

Q: how do i find the shape of PCl3?

A: PCl3 is a trigonal pyramidal shape molecule and it's shape can be found by knowing the concept of…

Q: A weather balloon is designed to burst when the volume reaches 250.0 L. The balloon is filled with…

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Q: Determine AG for a reaction when AG = -161.9 kJ/mol and Q = 35 at 325 K. (R = 8.314 J/mol · K)

A: Given data :  deltaG = -161.9 KJ/mol = -161.9 ×1000 = 161900J/mol  Q = 35  R = 8.314 J/K.mol  T =…

Q: Determine the condensed electron configurations (noble gas abbreviated notation) of Pd, Ir3+, Pt2+ ,…

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Q: OH

A: In the given reaction, alkene is converted into alcohol.  Hydrolysis of alkene is s take place.

Q: For the following combustion reaction CH3CH₂OCH₂CH3(1) + 60₂(g) → 4CO₂(g) + 5H₂(g) AH = -2.72 x…

A: Given -> CH3CH2OCH2CH3(l) + 6O2(g) --> 4CO2(g) + 5H2O(g)  ∆H = -2.72 × 103 KJ  Weight of…

Q: You have a stock NaCI of 5 g/L. You want to prepare 259 mL of a 1 mg/L NaCI solution. How many mL of…

A: Here given---- Strength of stock solution (S1) = 5 g/L = 5000 mg/L Volume of new solution (V2) = 259…

Q: If 141.5 mL He balloon rises in altitude from sea-level where the pressure is 1.00 atm to 789ft.…

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Q: Starting from the wedge-and-dash structure below (sighting down the indicated bond), rotate the back…

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Q: 2 3 4 1 1H + 1H → He +on+ energy According to the above reaction, how much energy is released when…

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Q: What is the energy difference between the d-orbital spitting (A) for [Ni(HO)]2+ based on the…

A: Under influence of crystal field d orbital of Ni2+ gets splitted and the energy difference  between…

Q: 1) What is the pressure of CO2 gas (in unit Pa) with compressibility Z= 0.8, if the ideal gas…

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Q: Consider the gas sulfur trioxide which has a formula of SO₃. This gas has a molar mass of 80.07…

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Q: OH Br₂ H₂C H₂C CH₂. Br

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Q: entify the alkyne you would use to prepare the following ketone via acid-catalyzed hydration, and…

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Q: Consider the reaction, HQ = H+(aq) + Q¯(aq). At 350.0 K, the AS°rxn = -81.0 J/mol K and the AH°rxn =…

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Q: For each row in the table below, decide whether the pair of elements will form a molecular compound…

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Q: (a) (c) (d) CH3 CH2 Br CI H CH3 + CH₂ CH₂. CH3 DBN "bulky base" Br CH CH3 CH₂CH3 CH3 + CH3OH O +…

A: We know that all bulky bases leads to the Hoffman product via E2 mechanism .  At lower temperature…

Q: Give the major organic product(s) of each of the following reactions or sequences of reactions.…

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Q: hi there, i need to determine the pH of a 0.125M solution of KHCOO (potassium formate).  Ka table is…

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Q: Why must flat-topped stoppers be laid with their flat sides on the table?

A: The question is why the flat-topped stoppers be laid with their flat sides in the table. A stoper is…

Q: In a reaction, C+2H2–>CH4, how many grams of H2 are necessary to completely react with 68.2 grams of…

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Q: What is the molar solubility, S, of CuCN if it has Ksp of 4×10^-20?

A: In this question, we will determine the value of molar solubility ( S ) for CuCN  Given : Value of…

Q: There is a strong line in the visible emission spectrum of hy to 5.00 x 10-¹⁹ J What energy would a…

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Q: A balloon is filled to a volume of 1.50 L with 2.50 moles of gas at 25 °C. With pressure and…

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Q: 4.5 Predict the structure that TICI would adopt if it is known that the cation radius for Tl+ is 159…

A: We have to calculate radius ratio to predict the structure.  Radius ratio=r+/r- We have to below…

Q: Draw the products of the reaction shown in the electron-pushing mechanism, including hydrogen atoms,…

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Q: The barometric pressure is 750.8 torr. The water vapor pressure at the temperature at which the…

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Q: Draw an alkyl halide that produces ONLY the following alkene in an E2 elimination. Ignore any…

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Q: Which product is formed by the reaction? 이 + b OH ONa ㅅ XX e. none are correct

A: Ethers are prepared by using Williamson synthesis. Williamson synthesis is an SN2 reaction between…

Q: What are real-life applications of the three fundamental laws of chemistry?

A: We need to explain what are real-life applications of the three fundamental laws of chemistry. There…

Q: a) A voltaic cell houses the reaction between aqueous iodine and cobalt metal: I₂(aq) + Co(s) →…

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Q: What is the difference between ribose and deoxyribose?

A: Given molecules are ribose and deoxyribose.  The difference between ribose and deoxyribose is to be…

Q: Convert the heat of neutralization of acetic acid from -48.6 kj/mmol to calories per millimole and…

A: Given that the heat of neutralization of acetic acid = -48.6 KJ/mmoles Convert the heat of…

Q: Water treatment plants must reduce phosphate levels to 3.2 micromoles PO4^3-/L before the water is…

A: Given, that, Water treatment plants must reduce phosphate levels to 3.2 micromoles per liter before…

Q: For the reaction CO(NH₂)2(aq) + H₂O(l) → CO₂(g) + 2NH3(g) AH° = +119.2 kJ and AS°= +354.8 J K-¹.…

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Q: The compound below is treated with chlorine in the presence of light. CH3 CH3CHCH₂CH3 Draw the…

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