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Q: Answer questions 2, 3 and 4

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Q: 1. How many sodium atoms are in 1.3 mol of sodium? 2. How many electrons are in 1.5 x 10-3 mol of…

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A: The expression of density with temperature and pressure can be derived from ideal gas equation.

Q: H,C,O, (aq) + 2 NaOH (aq) → Na,C,O, (aq) + 2 H,O (1) 1. Give the net-ionic reaction between the weak…

A: Given data:  Mass of the solid oxalic acid = 0.127g Volume of water used = 10.0 mL Molar mass of…

Q: Which of the following electron configurations is incorrect? A) S [Ne]3s'3p* B) Sn [Kr]5s*4d05p2 C)…

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Q: 14. The second ionization energies for the elements from Sulfur (16) to Titanium (22) are listed in…

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Q: Question 2 You heat a 54.2 g sample of hexanes using a heater using 223.3 W of power for 10.0…

A: Given that: mass of sample = 54.2 g Power = 223.3 W Time = 10.0 s Initial temperature = 21.1 oC To…

Q: (1) The dissolving of sodium hydroxide in water: NaOH(s) Na (aq) + OH (ag) (2) The reaction between…

A: Answer:Spectator ions are the ions present in the solution that do not take any active part in the…

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A: The molality of a solution can be calculated as given below.

Q: Please answer just the question number 2. (not 1. and 3.).

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Q: 2. Consider the following reaction. Draw a detailed arrow-pushing mechanism to provide the major…

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A: The required relation is given below.

Q: 121 6) Consider the unstable nuclide, ¹1n. a) What is the most likely mode of decay for this…

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Q: Nitrogen monoxide has been found to react with oxygen gas to produce the brown gas nitrogen dioxide.…

A: Given :  Heat released when one mole of NO reacts = 57 KJ

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Q: Calculate for the volume in milliliters of 2.26 M potassium hydroxide (MW = 56.1056 g/mol) that…

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Q: A buffer solution is made that is 0.329 M in HF and 0.329 M in KF. If K. for HF is 7.20 x 104, what…

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Q: b. a compound that is 63.5 % Ag, 8.2 % N, and 28.3 % O %3D 5. Aspartame is an artificial sweetener…

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Q: A student is asked to standardize a solution of calcium hydroxide. He weighs out 0.934 g potassium…

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Q: Calculate the freezing point of a 10.50 m aqueous solution of sucrose. Freezing point constants can…

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Q: 2. 340 mL of oxygen gas are collected by displacement of water at 33 °C and 742 torr, where the…

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Q: c. Each molecule on the following page highlights three hydrogen atoms in bold. Using your answers…

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Q: 2. Why are gas particles free to move as opposed to particles in solids and liquids?

A: The molecules of gas are free to move as opposed to that of solids and liquids.

Q: Given the following two standard reduction half-reaction calculate what the standard cell potential…

A: For question 1 First calculate E0cell for given data  E0cell = E0cell(cathode) -E0cell(Anode) for…

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Q: 2. Human beings take in about 550.0 liters (L) of oxygen, O2, each day by breathing. Use the Ideal…

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A: The pressure at normal boiling point is 1 atm according to the definition of normal boiling point.…

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Q: 1. Calculate the number of moles of cyclohexanol (d = 0.96g/ml) if 20 mL was used in the reaction?

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Supply the missing information in the table that follows.

A: Class : It is a ketone functional group so it belongs to keto class. IUPAC : Methyl 2,3methyl butane…

Q: Which of the following could enter into H-bonding interactions with water? (Select all that apply.)…

A: Molecules 1,2and 4 is able to form hydrogen bonding intercation

Q: Which phase(s) are present at point D in the diagram below? Pressure solid Temperature O liquid E…

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Q: 2. A weak acid has a Ka of 3.7x106. Calculate the pH of a 0.30M solution of this acid.

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Q: Could you answer questions 2 and 3 please, I need them quickly. Thank you

A: The answer of this question is given below.  Please go through that. Explanation:

Q: 3) A student places 120.0 mL of liquid water at 23.4 °C into a calorimeter and then dissolves 12.5 g…

A: It is an endothermic reaction. Detail solution is given in step 2.

Q: Pressure Volume Moles Temperature P V n T 2.00 atm 1.50 mol 100 °C 0.6 atm 1.0 L 100 K 4.45 atm 50.0…

A: We use the formula of ideal gas i.e, PV = nRT Where P = pressure of gas in atm…