Write the empirical formula for at least four ionic compounds that could be formed from the following ions: Cro, 10, Fe", Pb* 4+

Q: TRUE OR FALSE The Zeff increases from left to right across the same row in the Periodic Table. [ Sel...

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Q: What is the molality when a 0.75 mol is dissolved in 2.50 kg of solvent?

A: To solve this question, use the molality formula and calculate molality for given solution.

Q: When exactly 750.0 mL of a solution containing 580.4 ppm of calcium nitrate was combined with 200.0 ...

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Q: Calculate the energy required to heat 252.0 mg of cyclohexane from 16.1 °C to 31.9 °C. Assume the sp...

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Q: A sample of helium gas has a volume of 3.24 L at 25°C. What volume will it occupy at 286 K if the pr...

A: Given,  Initial volume of He gas (say V1) = 3.24 L  Initial temperature (say T1) = 25 0C Final tempe...

Q: What is the unit of rate constant ? a. (time) n – 1 (concentration) b. 1/(time)(concentration) n-1...

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Q: The solubility of a gas is 0.650 g/L at a pressure of 109 kPa. What is the solubility of the gas if ...

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Q: In each of the equations below, label the acids, bases and their conjugates. HPO42- + H2O ↔ H2PO4- ...

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Q: 5 A student performing an iodine titration expected to use a total of approximately 4.8 mL of Na,S,O...

A: Here a student performed iodine titration . For this purpose he had taken Na2S2O3 in burette having ...

Q: 00 LL LL %24 林 11 Predicting and naming ionic compe Decide whether each pair of elements in the tabl...

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Q: 5. Arg and Lys Asp and Lys Pro and Glu Among these amino acid combinations listed above, only th...

A: Answer: Only the combination of Asp and Lys have side chains with groups that have the greatest abil...

Q: Complete the table below. Name of Hypothetical Crystal Radius, r, in Length of one side of the cell,...

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

Q: How many hours are required to plate 12.00 g of nickel metal from 1.00 M NİSO4(aq), using a current ...

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Q: e path length

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Q: Calculate the pressure, in atmospheres, required to compress a sample of helium gas from 27.4L (at 1...

A: Boyle's law:  According to Boyle’s law, the absolute pressure exerted by a given mass of an ideal ga...

Q: equation, use the coefficient in the box to determine what color to Use TOF 1 = Red 2 = Pink 3 = Ora...

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Q: 2. A sample iron ore weighing 0.6428 g is dissolved in acid, the iron is reduce to Fe2*, and the sol...

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Q: 3. Using standard reduction potentials from Table L1 of Appendix L in your textbook: Chemistry: Atom...

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Q: Common monosubstituted benzene parent compound names accepted by IUPAC NH2 SO3H H.

A: Given compounds are : Write the IUPAC names of these compound = ? 

Q: Identify the stronger acid between each pair and justify your answer. 1. HI аnd HF 2. ΗΝΟ, and HNO, ...

A: Given :  Identify the stronger acid between each pair 1. HI and HF  2. HNO3 and HNO2 3. HBrO₂ and HC...

Q: Consider the following system at equilibrium where AH° = -87.9 kJ, and Kc = 83.3 , at 500 K: PCI3 (g...

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Q: The rate constant for the breakdown of an isotope of iodine is first order and has a half-life of 32...

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Q: ) Calculate the pH, [H+] and (OH-] of a solution with a pOH of 5.36 e) What is the pH of a solution ...

A: Since you have posted question with multiple subparts as per guidelines we can answer three per sess...

Q: Review Topics] References] In eac case below select the synthetic procedure/s that could be used to ...

A: oxymercuration–demercuration this procedure indirectly gives net Markovnikov addition of water. The ...

Q: Answer in full sentence: In the reaction hydrogen peroxide + manganese(iv) oxide--> Manganese oxide...

A: A question based on stoichiometry that is to be accomplished.

Q: Give the product(s) of the PINACOL rearrangement reaction shown below? OH H2SO4 HO

A: Given, 

Q: 7) Determine the point group for each of the following molecules. For each molecule, list which symm...

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Q: 10. Draw the following compounds. Make sure to describe the hybridization, the shape, whether it is ...

A: Hybridization is determined with the help of number of sigma bonds formed by atom and number of lone...

Q: An aqueous solution at 25 °C has a OH concentration of 3. x 10 M. Calculate the H,0' concentration. ...

A: To find out H3O+ concentration, use the formula which contains Kw, H3O+ and OH- in it and solve for ...

Q: Calculate the mass of Li necessary to bind to 2 moles of nitrogen.

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as...

Q: Provide an IUPAC name for the compound pictured by itself below.

A: Given compounds are :  (a).  (b).  Provide IUPAC names of the given compounds = ?     

Q: A container has hydrogen and nitrogen gases in two equal but separate compartments in a 3:1 mc ratio...

A: we are required to find the Gibbs free energy of mixing when 2 gases nitrogen and hydrogen interact

Q: [4 B Please calculate the molar solubility of Sn(OH)4 when dissolved in a pH =9.12 solution, if the ...

A: Given:: pH=9.12  Ksp of Sn(OH)4 = 1.0×10-57  Molar solubility of Sn(OH)4 = ?

Q: A chemist makes 960. mL of potassium permanganate (KMNO,) working solution by adding distilled water...

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Q: A gas mixture has a total pressure of 0.51 atm and consists of He and Ne. If the partial pressure of...

A: Ptotal  = 0.51 P He = 0.23

Q: Please calculate the molar solubility of C'ASO4 (Ksp = 4.93 x 10-) in a 8.68 molar Al2(SO4)3 solutio...

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Q: A. Write the formula of the conjugate acid or base of the following substances: 1. Acids a. HC1O b. ...

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Q: Determine the pH for the following 0.100 M LiF (Ka = 6.6 x 104) а) 3.2 х 10-6 МBa(ОН)2 b) 2.

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Q: The reaction AB(aq)→A(g)+B(g) is second order in AB and has a rate constant of 0.0140 L- mol-s at 25...

A: The reaction given is, => Given: The reaction is a second-order reaction. Rate constant of react...

Q: Rate law: 3A(g) + B(g) + 2C(g) → D(g) + 2E(g) Rate of formation of D= k [A] [B]2 The value of k, t...

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Q: H. Al,0, O Al+_0, Туре: I. N, +H2 → NH3 Туре: J. Al+ HCI → _AICI, + H, Туре: K. V,05 + _ HCI → O voC...

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Q: Determine the pH of 5.416 x 10-8 M of HCl. (use the systematic treatment) Determine the pH of 7.814 ...

A: 1)  Concentration of  HCl solution = [HCl] = 5.416 x 10-8 M pH of the solution = ? Note: HCl is a st...

Q: Be sure to answer all parts. What is the change in internal energy (in J) of a system that absorbs 0...

A: Please find your solution below : Internal energy of a system is defined as the total energy due to ...

Q: (d) CH—СH-0—СHҙ and CH CH-CHO (е) CН,СH,CHО and CH;COCH,

A: Here we have to differentiate the pair of organic compounds by IR spectroscopy.  The different funct...

Q: 8. As a rough calculation (i.e. not a ICE table), follow the instructions for Part 3a to calculate t...

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Q: If 5.08 mol of CO occupy 21.3 L, how many L will 16.4 mol of CO occupy at the same temperature and p...

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Q: Draw the rganic product(s) of the following reaction. NaCN

A: ->Nucleophile = NaCN ->Acidic medium.  

Q: Calculate the pI of the Glycine,Valine,Leucine,Proline, Histidine

A: Here, it is given to find out the iso electric point of the given aminoacids. They are Glycine,Valin...

Q: A 40.0 mL sample of 0.300 M formic acid is titrated with 0.200 M NaOH. Calculate the pH after 70.0 m...

A: Given,  40.0 mL sample of 0.300 M formic acid is titrated with 0.200 M NaOH. 

Q: Part A The following data show the rate constant of a reaction measured at several different tempera...

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