The presence of Ca2+ or F ions in a solution reduces the solubility of CaF2. True or false? (hint: common ion effect) Select one: True False

Q: 1. Explain how to make 100 mL of 1M HCI from a 6M HCI stock solution. Show your calculation.

A: M1 × V1 = M2 × V2    M1 and M2 are the initial and final molarity, V1 and V2 are initial and final…

Q: the following acid-base titration experiment CH3COOH (aq) + NaOH (aq) ———-> CH3COONa (aq) + H2O (l).…

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Q: Acetic acid (HC,H,O,) is an important ingredient of vinegar. A sample of 50.0 mL of a commercial…

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Q: Calculate the concentration (in molarity) of an NaOH solution if 25.0 mL of the solution is needed…

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Q: 8. What is the maximum number of electrons that can be identified with each of the following sets of…

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Q: What is alkalinity, pH and Hardness? Briefly describe the relationship among these three parameters?

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Q: Arsenic forms many oxoacids. Indicate the oxidation number of arsenic in each of the following…

A: Oxidation number of oxygen atom is -2 and hydrogen atom is +1

Q: A 24.54 mL solution containing 1.818 g Mg(NO3)₂ is mixed with a 26.20 mL solution containing 1.176 g…

A: 1 mole of Mg(NO3)2 reacts with 2 moles of NaOH to give the final products 2 moles of Na(NO3)2, and 1…

Q: How many grams of potassium hydrogen phthalate KHC6H4(CO2)2 is needed to make 150 mL, 0.1 M…

A: Molarity is defined as number of mole of solute divide by volume of solution in liter.     Mole is…

Q: Vapour-liquid equilibrium of a two-component ideal solution of trichloroethene (C₂HC13) and…

A: Vapor pressure of C2HCl3 (Component B) = 73 mmHg Vapor pressure of CHCl3 (Component A) = 199.1 mmHg…

Q: 0.549 g ammonium carbonate is dissolve in sufficient water to field 200.0ml solution. Calculate the…

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Q: Dra Calculate the volume in milliliters of a 3.84M sodium nitrate solution that contains 50.0 g of…

A: Molarity of a solution can be defined as the number of moles of solute per litre of solution.…

Q: Sodium sulfate is slowly added to a solution containing 0.0500 M Ca² (aq) and 0.0260 M Ag+ (aq).…

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Q: A reaction where an exchange of ions or atoms occurs. O single displacement combustion double…

A: Different types of chemical reaction: • Single displacement reaction: Single displacement reaction…

Q: 3. Calculate the pH of a 0.063 M nitrous acid (HNO₂) solution. The Ka for HNO₂ is 4.5 X 104. Hint:…

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Q: Write a complete structural diagram for 1-ethyl-4methylcyclopent-1-ene

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Q: Propose the detailed mechanism for the synthesis in the following reaction Br Et CH3 KOH H₂O

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Q: Calculating the pes or a An analytical chemist is titrating 241.1 ml. of a 0.9700M solution of…

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Q: 19. FILL IN THE BOXES. ESIS Hg(OAc)2 THF, ethanol |||||OH |||||OH NaBH4 +

A: According to the bartleby guidelines for the multipart questions I can solve only first three…

Q: EXP                        [NO]-1/m                        [H2] .1M               initial rate/ ms-1…

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Q: If a sample started with 1 million radioactive isotopes (at time = 0), how many radioactive isotopes…

A: Radioactive decay always follows first order reaction kinetics. First half life of a first order…

Q: At 25 °C and 765.6 torr, a sample that is a gaseous compound containing carbon, hydrogen, and oxygen…

A: Given: Temperature = 25 oC = 25+273 = 298 K Pressure = 765.6 torr = 1.007 atm Volume = 0.582 L

Q: Consider the table. Metal Tm (K) Li 454 371 336 Rb 312 Cs 302 Na K A.Svap Using the data, calculate…

A: Answer:- This question is answered by using the simple concept of calculation of solubility using…

Q: What is the molarity of a 20% potassium hydrogen phthalate KHC6H4(CO2)2? (a) 0.0979 M (b) 0.00979 M…

A: Molarity (M) is a concentration term for a solution. The molarity of a solution is defined as the…

Q: A 200. mL solution that is 6.7 x 10 M in Cu²+ is mixed with 0.30 mole NH3. There is no change in…

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Q: Using a coffee cup calorimeter, determine the enthalpy of reaction (in kJ) if the reaction media is…

A: Volume of solution V = 150.0 mL  density = 1.000 g/mL  Therefore, mass of solution = 1.000 g/mL *…

Q: 3. H₂(g) + (1/2)O2(g) →H₂O(g)

A: Bond energies:  H-H = 436 KJ/mol  O=O  = 498 KJ/mol  O-H = 464 KJ/mol  First we will make the…

Q: Calculate the change in enthalpy associated with the combustion of 322 g of ethanol. Report your…

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Q: Draw energy diagrams to help you construct a step-by- step description for the processes involved in…

A: The pattern of characteristic wavelength or frequency of electromagnetic radiations absorbed by a…

Q: A mole of an ideal gas is compressed isothermally at 298K. If the gas is compressed from 1 atm to 10…

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Q: H. Build the following molecule a) and then build and draw its mirror image b). CH 3 -C-H a) Br-…

A: First, we have to observe whether the molecule has any plane of symmetry, if it does, it's a meso…

Q: A. B. I Br2, CCl4 Br₂, H₂O Br2, CCl4 Br₂, H₂O

A: These are addition reaction to alkene where alkene adds to Br to form cyclic bromonium ion where the…

Q: Hydrogen peroxide solutions typically are sold at concentrations of 5.00% (v/v) with water as the…

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Q: For the following reaction, 40.1 grams of iron are allowed to react with 15.1 grams of oxygen gas .…

A: Answering only the first question as per guidelines  we are given a chemical reaction and ask to…

Q: How many moles of gas are present in a 2500 mL cylinder at a pressure of 2.4 atm and a temperature…

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Q: Using the following bond energies, calculate the molar heat of hydrogenation, AHhydrogenatio…

A: Bond strengths given;  C-H = 411 KJ/mol  H-H= 432 KJ/mol  C -C = 348 KJ/mol  To calculate the heat…

Q: Which of the following compounds has the lowest normal boiling point? O CHÍCH CHÍNH CH₂CH₂CH₂F O…

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Q: 14. Consider this reaction: 2 NO(g) → N₂(g) + O₂(g) The AH° for this reaction is - 180.6 kJ/mol, and…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: Calculate AU, Q, W and AH for the reversible compression of 1.00 mol of an ideal gas from 1.00 bar…

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Q: Provide the correct IUPAC name for the compound shown here. || CI-C-CH₂-CH₂-CH3

A: Rules for iupac nomenclature:  1) select the longest carbon chain as parent chain.  2) identify the…

Q: Calculate the slope

A: To calculate the slope, we need to plot the given data . On x-axis concentration and on y-axis…

Q: Consider these compounds: A. MnS B. BaSO3 C. Fe(OH)3 D. Ag3PO4 References to access important values…

A: Need need to fill the blanks in the question. It is related to the relationship between ksp and…

Q: 2 a) Consider the following electrochemical cell. Zn (s) | Zn²+ (aq) (0.0080 M) || Fe³+ (0.180 M),…

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Q: O CHEMICAL REACTIONS Determining the volume of base needed to titrate a given mass... A chemistry…

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Q: How many grams are required of NaoH to make 50mls of a 0.25M solution of NaOH ? (give your answer…

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Q: The pH of swimming pools is made slightly basic by spreading solid Na2CO3 across the surface.…

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Q: When 25.0 g of potassium chlorate (KClO3) decomposes, how many L of O2 gas are formed at STP?  Refer…

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Q: The Ksp of PbBr₂ is 6.60 x 10-6. What is the molar solubility of PbBr₂ in pure water? molar…

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Q: Water is added to 25.0 mL of a 0.716 M KNO3 solution until the volume of the solution is exactly…

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Q: Name Laboratory Section Show your work, include units, and report the correct number of significant…

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