You have 20.0 mL of a solution that is 0.750 M. What is the new concentration after you add 50.0 mL of water to the solution?

Q: Based on lab results, which metal, Cu, Fe, or Al, would be most affected by acid rain?

A: The answer is given below

Q: What is the pKa of a 0.2M solution of an unknown monoprotic acid that has a pH of 4.2?

A: We have find out Pka of solution of an unknown monoprotic acid that has a pH of 4.2

Q: What happens if water is added during the Methyl Benzoate nitration? Why is methyl m-nitrobenzoate…

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Q: For the reaction C(s) + H20 (g) – CO(g) + H2 (g) AH° = 131.3 kJ/mol and AS° = 133.6 J/mol-Kat 298 K.…

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Q: 2. Are the following compounds likely to dissociate, partially dissociate, or not dissociate when…

A: The compounds given are  a. NaNO3 (s) b. Sucrose, C12H22O11(s) c. Formic acid, HCOOH (l)

Q: The Rydberg constant depends on the mass of the nucleus. Calculate the wavenumber from 3P to 25…

A: The answer is given below

Q: A flocculation tank has a capacity of 55,000 gallons. If the flow through the tank is 2.7 MGD, what…

A: Detention time can be calculated using given volume capacity of tank and flow rate .

Q: Four solutions of an acid dissolved in water are sketched below, as if under a microscope so…

A: According to the Arrhenius theory, the substance that gives hydrogen ion H+ in the aqueous solution…

Q: For the following reaction and data (all data is valid at 298 K): 4??2(?) +?2(?) +2?2?(?) ⇌ 4???3(?)…

A: Given that

Q: In PCIS, the Patom violates the octet rule by sharing 5 electrons. This is because the valence she…

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Q: Predict the major product of the following reaction. Br: EINH O cis O syn O trans O anti

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Q: Butane, C4H10, is a component of natural gas that is used as fuel for cigarette lighters. The…

A: The ideal gas equation is  PV = nRT  P = pressure  V = volume  n = moles of gas = mass/molar mass R…

Q: Balance the following redox reaction in an alkaline solution by the half-reaction method. The final…

A: The answer is given below

Q: O,N. Br

A: The targeted can be compound synthesized into three steps. Step-1 Benzene reacts with…

Q: What is the pH of a 0.282 M solution of ascorbic acid, H2C6H6O6? (Ka1 = 8.0x10-5, Ka2 = 1.6×10-12)…

A: Answer: 2.32

Q: What is this compound base on the IR spectrum?

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Q: Calculate the amount of energy required to heat 357 g of ethylene glycol (antifreeze) from 0°C to…

A: Given, Mass of ethylene glycol (m) = 357 g Initial temperature (Ti) = 0°C Final temperature (Tf) =…

Q: 1. Identify A-E in the scheme below: CH:(CH2),Br B NaH LDA A Isobutyl bromide 1) DIBAL-H 2) H30* E.

A: Initially reactant is given and we have to determine multiple products at various steps of provided…

Q: complete this reaction     Fe³= ........agent (from-to)   S2O3= .........agrnt (from-to).

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Q: The mole fraction of silver acetate, AgCH3COO, in an aqueous solution is 7.96x10-2. The percent by…

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Q: Rank the following from greatest molar solubility (4) to the least molar solubility (1). Assign a…

A: If solubility product of the salt is greater then the  ionic product , then solubility occurs .

Q: Will acidic food coked in a cast iron skillet become FE2+, enriched because of a reaction between…

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Q: 5. In the Dumas method for determining the molar mass of an unknown volatile liquid, a sample of a…

A: Given that, the molar mass of an unknown liquid is determined by the Dumas method. The volume of the…

Q: 6. Chemical analysis of an unknown compound shows that it contains 64.9% C, 13.5% H, and 21.6% O by…

A: Please find your solution below : Empirical formula of a compound is defined as the simplest whole…

Q: Q4. Prednisolone is to be eluted from a silica gel column. List the following system in order of…

A: The order of elution of prednisolone is needed to be predict in different mixture of solvent given.

Q: a solution is prepared by dissolving 8.29g of Na2SO4 in enough water to make 225 ml of solution.…

A: Molarity (M) :  Number of moles of solute present in one litre solution is called Molarity M= n /…

Q: HO он но N-R2 HO, 60 °C, 16 h N-R2 and N-R N-R2 R' R' Exo-3 R' Endo-3 R Exo-3' Endo-3

A: We have to give the mechanism of the given reaction, one with water as a solvent and another with…

Q: Find the normalization constant, N, for the antibonding orbital wave function formed from the…

A: In the question it is given to find out the normalisation constant,N.Let's find according to our…

Q: Liquid ethanol (C,H;OH) at 25°C, 1 atm enters an insulated reactor operating at steady state and…

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Q: 1. A. CHC13 В. Н.СО C. NH2CI Lewis Structure (show all electrons and bonds) e geometry Approx. Bond…

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Q: Assume the heat capacity values in Table 2.3 apply at all temperatures unless otherwise stated. (1)…

A: The answer is given below

Q: The temperature of a gas is heated from 20 K to 300 K, causing the volume to double. If the pressure…

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Q: H3C, (а) Br F. and Br CH3 CH3 H3C H H. (b) F and "Br Br CH H. Br Br CH3 (c) and H3C"/ `H CH3 F Br…

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Q: The pyridinium ion (C5H4NH*) is a weak acid (Ka = 5.60 x 10-6). Calculate the pH of a solution that…

A: Given that, the pyridinium ion is a weak acid. The Ka of it is Ka = 5.60×10-6. 3.7 mL of 0.167 M of…

Q: Carboxylic acids can be made by the hydrolysis of nitriles, which in turn can be made from an alkyl…

A: Alkyl bromides are a good substrate for nucleophilic substitution reactions. If an alkyl bromide…

Q: For each of the following pairs of compounds, indicate the compound more reactive to an SN1…

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Q: MOLECULAR GEOMETRY AND POLARITY OF Brcl3

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Q: Find the molecular geometry of SO2 and I3-. Keep the SO2 molecular geometry first in the answer. In…

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Q: Procedure 1: Measuring wavelength ii. Diffraction grating lines per cm: iii. Diffraction grating…

A: A typical diffraction of light can be represented by the following diagram: Now, the angle of…

Q: C. sd. Name each of the following cyclic hydrocarbons: b. a. CH3 d. f. e. CH3 CH3 H3C

A: Using IUPAC namenclature in GOC.

Q: A certain amount of glucose (C6H1206) reacted through a combustion reaction using sufficient amount…

A: First we would write a balanced chemical equation for combustion of glucose.  Then using given…

Q: number of CO molecules

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Q: Br bromobenzene 1-phenylpropan-1-one

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Q: 35 mol of zinc react with silver nitrate, how many moles of silver will form?

A: Moles Of Zn = 35 mole

Q: CH3 CH3 + OCH3 a. + CI OCH3 OH + I b. OH LOCH2CH3 + OCH,CH3 + CI с. d. Br CN CN + Br +

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Q: Hyo CN

A: The given compound is an cyanide.The reagent is acid/water. Here we have to identify the product.

Q: Predict the sign of AS°rxn (positive or negative) for the following reactions: - v isopropanol…

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Q: [1] LIAIH C. N. [2] H20 [11 LIAIH(OC(CHa)ala [2] H20 d. CI

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Q: Enzymes do not require activation energy do not change requirment of activation energu increase…

A: Enzyme generally helps a reaction to proceed spontaneously by minimizing/loweing the activation…

Q: Questions 1. Electrical current is carried by a flow of charged particles, which often occurs…

A: Electric current is carried by charged particles.Free eelectrons can carry charge