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Q: 2.

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Q: The gas in a 225.0 mL piston experiences a change in pressure from 1.00 atm to 3.35 atm. What is the…

A: We know the equation of ideal gas is PV= nRT Here,  P= pressure of the gas V= volume occupied by the…

Q: 56. What is the number of moles of HCI contained in the 12-mL solution added? 57. What is the number…

A: Please find the attachment.

Q: I used this answer and got it wrong. It said "You forgot to calculate the equilibrium concentration…

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Q: Which of the following contains a set of incorrectly paired words? * Chelatometry - Complexation /…

A: Here we have to choose the incorrectly paired words and Lewis base in a complexation reaction-

Q: 9 when a sodium atom is deexcited from the first excited state to the ground state, it emits Photon…

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Q: - 1 The molal freezing point depression constant K₁=2.02 °C-kg-mol for a certain substance X. When…

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Q: Discuss the principles behind the titrations used to determine copper and NH3.

A: Solution: Principle behind the Titration are mentioned below.

Q: Unanswered You Answered Correct Answer Question 1 If we want to warm 3.31g of water from 18℃ to 41C…

A: From the amount of energy required for heating water and the energy of radiation we can figure out…

Q: u ОН LOH

A: Please find the attachment.

Q: Consider the following equilibrium: 2NOCI (g) 2NO(g) + Cl₂ (g) AG = 41. KJ Now suppose a reaction…

A: It is an equilibrium reaction. For the reaction to be at equilibrium the equilibrium constant need…

Q: 5. Draw the perspective structure of 1,3-dibromobutane and label any asymmetric carbon atoms with a…

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Q: 6 Predict the major product from the reaction shown below? 2 HBr a) 2-bromo-3-ethylbutane b)…

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Q: (a) Figure 4 shows a phase diagram for the Nb-80 wt% W alloy which is solidified under…

A: Solution: Show the phase diagram of the niobium-tungsten (Nb-W) system as in Figure (1).

Q: the molality of the following compounds is the same, which compound will have the highest boiling…

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Q: Complete the following S1 reactions by showing the major productis). Pick two and show the complete…

A: Given all are the examples of SN1 reaction mechanism. Firstly a carbocation is formed then the…

Q: In degrees C, what is the approximate boiling point of (CH3CH2)2O?

A: (CH3CH2)2O is diethyl ether. Ethers are usually very volatile in nature. They have very less boiling…

Q: Which of the following does NOT form a 1:1 ratio with an EDTA molecule? O Li O Mg O Bi O Al

A: To give the answer of the given question we have to analyse the metals given.

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: If the following reaction 2 C4H10 (g) + 13 O₂ (g) →8 CO₂ (g) + 10 H₂O(g) has AH = -115 kJ/mol and…

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Q: Bob heats up a bottle of milk for his baby, Jill, every morning. Jill will only drink the bottle if…

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Q: One or more of the monomers below are needed to make the polymer Choose which one(s). D NH2(CH2)6NH,…

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Q: Calculate the solubility of Co (OH)₂ in water at 25 °C. You'll find K sp Round your answer to 2…

A: Given -> Compound= Co(OH)2 T = 25°C  Ksp = 2.5 × 10-16 Molar mass of Co(OH)2 = 92.95 g/mole

Q: (c) Consider an oxygen molecule. (i) When writing the ground state electronic configuration of O₂,…

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Q: 0 12 11 13 13 لما What would be the expected carbonyl stretching frequency (cm) for the molecule…

A: IR spectroscopy is used to determine the functional groups present in the sample. Different…

Q: This problem involves multistep synthesis demonstration. Propose a synthetic route (using all…

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Q: An analytical chemist is titrating 75.7 mL of a 0.7300M solution of acetic acid (HCH3CO₂) with a…

A: When acetic acid react with sodium hydroxide it will form a buffer solution, and now we to calculate…

Q: Exactly 2 moles of ammonia are heated in a sealed 1.00 L container to 650 oC. At this temperature,…

A: Given, Initial  ammonia(NH3) = moles / volume = ( 2 moles / 1 litre ) = 2.0 M Writting of the ICE…

Q: What is the solubility of Hg(OH)2 (in g/L, Ksp = 3.9x10-4 M³) in a solution that is already 0.824 M…

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Q: A galvanic cell is powered by the following redox reaction: + HNO₂(aq) + H+ (aq) + Cut (aq) Answer…

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Q: 5. Two students attempt to etch their initials on a gold plate using hydrochloric acid. 6. A student…

A: By calculating the cell potential we can determine the reaction spontaneity.

Q: a different laboratory experiment, a student collected 0.205 L of an unknown gas at 21oC and 0.957…

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Q: d) е) f) ОН ОН с 8 о CI ОСН3

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Q: Give the major peak that would be present in the functional group r following compounds: 2800 Y OH…

A: 1) C-H of alkane have =3000 - 2850 cm-1 (streching) 2) O-H of carboxylic group have frequency values…

Q: Calculate the equivalent weight of Na2CO3 when it is titrated against HCl in presence of…

A: The Answer to the following question is- a) reaction Na2CO3 + HCl ⇔NaHCO3 + NaCl  Molar mass of…

Q: Substance X is known to exist at 1 atm in the solid, liquid, or vapor phase, depending on the…

A: Given: Initial temperature of X = 50oC Total amount of heat= 6.0 kJ/mol Melting point of X =75oC…

Q: Oiron-59 O phosphorus-32 Othallium-201 O iodine-131 Ofluorine-18 Submit Request Answer

A: Answer is iron-59  Radiotracer Fe-59 is used to study problems with spleen.

Q: 9. A total of 49 g of a compound with the molecular formula (H2CO)x is dissolved in 500 g of water…

A: Freezing point depression : The lowering of the freezing point of solvent upon the addition of…

Q: Which of the following is true at the equivalence point in the titration of Fe³+ with EDTA? Select…

A: EDTA is a hexadentate ligand. The reaction of EDTA with metal ion Mn+ takes place in the following…

Q: A laboratory technician dissolved 6.797 g of compound W (a non-electrolyte) in 15.00 mL of ethylene…

A: The elevation in boiling point on addition of non-electrolyte to a pure liquid is a colligative…

Q: What is the main difference between a pure substance and a mixture

A: Matter:  Matter can be define as anything that has a volume and a mass is called matter. Matter can…

Q: What is the lattice constant ? if the lattice has 400 lines per mm?

A: Given, Number of lines (N) per mm = 400 lines/mm = 400,000 lines/m, Then grating space (d), d…

Q: Choose the structure that fits the descriptions below from the pool of choices. Use the dropdown…

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Q: Now consider the following nuclear reaction: ²H + ³H He +

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Q: 1. Statement 1: The selectivity of a ligand for one metal ion over another refers to the stability…

A: 1. -. C.   2. -.  C 3. -.  A 4. -. B

Q: + e H2O a) Write the equations for the balance by elements and the balance of electrons. b)…

A: Part a. and b. amount of carbon in 1 mole of substrate = 2(12) = 24 g amount of carbon converted to…

Q: HO. H COOH COOH V POH HOT COOH cooff VI Ho HO COOH COOH VI H H COOH COOH VIIL OH OH Question: In the…

A: Enantiomer are the compounds which are non superimposable mirror images of each other. Diastereomers…

Q: (b) Neutralization reaction occurs when a solution of an acid and a base are mixed. Calculate the…

A: According to the question we have a netralization reaction in which calcium hydroxide is reacting…

Q: A compound Y (150.0 g/mol) in a 1.00 cm quartz cell has an extinction coefficient (ε) of 23,150 at…

A: Answer = 509.12 Complete solution is given in next step.

Q: sond 14 13 O Doublet (d) O Singlet (s) Given the molecule above, what would be the observed…

A: Signal in a  1H NMR spectrum may or may not be split into one or more peaks. This is known as signal…