Galvanic cell converts: Select one: a. Electrical energy into chemical energy b. A metal from its elemental form to combined form c. Electrolyte into individual ions d. Chemical energy into electrical energy

Q: (a) Place the following gases in order of increasing average molecular speed at 25°C: CO, SF, H,S,…

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Q: 1. Find the pH of 0.0500M CH¿CICOOH (a weak acid) where Ka=1.4 x 103

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Q: What volume of 18.0 M sulfuric acid is required to prepare 26.2L of 0.126 M H2SO4?

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Q: The base protonation constant K, of allantoin (C,H,N,O,NH,) is 9.12 × 10¯°. Calculate the pH of a…

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Q: POST-LABORATORY QUESTIONS Due after Laboratory Experiment 1. While performing the Dumas experiment,…

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A: Ethan has two different possible Newman and Sawhorse projections which are eclipsed and staggered.

Q: Calculate the number of moles of Argon gas contained in a 4.00 dm3 container at 620. kPa and 25.0…

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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: e) [H] = 0.0045 M, [Cl,] = 0.0045 M, [HCI] = 0.0625 M

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Q: A sample of gas occupies a volume of 73.8 mL. As it expands, it does 122.5 J of work on its…

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Q: A solution was prepared by mixing 4.00mL of 2.00 x 10-3 M Fe(NO3)3 and 3.00mL of 5.00 x 10-3 M NaSCN…

A: The balanced equilibrium reaction is: Fe3+(aq) + SCN-(aq) ⇌ FeSCN2+(aq) ; Kc = 148.4575  The average…

Q: I need specific description of the compounds involved in the synthesis (functional groups, specific…

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Q: O ENTROPY AND FREE ENERGY Nerbs V Calculating reaction entropy using the standard molar entropies...…

A: Given- MgCl2(s)+H2O(l) ->MgO(s)+2HCl(g)

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

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Q: A titration is carried out where 50mL of 0.3M HF is titration with a 0.190M NaOH solution. Determine…

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Q: nswer the questions below in relation to the following generic phase diagram. 1.0 A 0.5 45° 60° 100°…

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Q: An oxidation-reduction reaction must involve reaction with oxygen.  True  False

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Q: a. Ru-106 decays by beta decay. What are the atomic symbol and mass number of the product? Product:…

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Q: NaBH4, NICI2 is a O soft electrophile O hard nucleophile hard electrophile O soft nucleophile

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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: How many moles of an ideal gas occupy 12.5L at 298K and 1.00atm (1.01bar) pressure?

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Q: Part C Methanol burns in oxygen to form carbon dioxide Calculate ASxn at 40 °C. and water. ? ASxn =…

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Q: Calculate the binding energy per nucleon for the Fe nucleus. (Atomic masses: iron-56 = 55.9349 amu;…

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Q: An electrochemical cell is based on the following two half-reactions: oxidation: Sn (s) →Sn²+ (aq,…

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Q: An aqueous solution known as Ringer's lactate is administered intravenously to trauma victims…

A: Given, Molarity of sodium lactate (NaC3H5O3) solution = 5.00 mM = 0.005 M = 0.005 mol/L Volume of…

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: Question 15 Match the following molecules based on their bond angles: 1. O-S-O bond is so,2 2. O-N-O…

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Q: Time's Up! Provide the correct IUPAC name for the compound shown here. ОН F 5- 6- 2- 1- 3- 4- сyclo…

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Q: Multiply 642.67 quarts by 4.3562. What is the answer in correct significant figures? 2. Convert the…

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Q: Can you predict an undesirable side reaction that might occur using ethanol as a solvent that would…

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Q: 3) Calculate the pH after titration of 30.00 mL of 0.10 M HOCl solution (ka=2.9x10^-8) with 25.00 mL…

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Q: ?why is heat an effective means of sterilization إجابتك ?What is the classification of enzymes dila!

A: Sterilization means the destruction of all microorganism including the spores.

Q: Drag and drop the appropriate choices to fill in the following equilibrium table for the…

A: Given- Concentration of weak acid HA= 0.9M pH of the solution=2.3

Q: A chemist wishing to do an experiment requiring "Ca²+ (half-life = 4.5 days) needs 5.0 µg of the…

A: Given,  Half-life, t1/2 = 4.5 days  Time, t = 96 h = 4 days  Current quantity, N = 5 μg  Original…

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

A: Given :- a) NaNO3(s)  b)sucrose , C12H22O11(s)  c) formic acid, HCOOH(l)  To classify :-  Strong…

Q: a The first four steps in the radioactive decay sequence of Bi-214 are a, B, B, a. To write the…

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Q: What mass of calcium chloride, CaCl2, in needed to prepare 2.657L of a 1.55 M solution?

A: Given,  Volume of CaCl2 solution = 2.657L Molarity of CaCl2 solution = 1.55 M Mass of calcium…

Q: match the molecule with respective intermolecular forces - v CH4 A. Hydrogen bonding v H20 B. London…

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Q: 3. Predict possible products like Major/Minor products and write the mechanism (SN1, SN2, E1, E2)…

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Q: Calculate the activation energy and frequency factor for the decomposition reaction, based on the…

A: we are required  to find the activation energy Ea and frequency factor A  for the decomposition…

Q: A solution is 1×10-4 M in NaF, Na,S, and Na3PO4 What would be the order of precipitation as a source…

A: Given that

Q: following materials: 2. Cao (b) MnS (c) KBr (d) CsBr b. Justify your selections. Table 1: Ionic…

A: a) In{\rm{CsI}}CaO,  Ca2+ is cation and {{\rm{I}}^{\,{\rm{ - }}}}O2− is the anion. Obtain ionic…

Q: CH2) + O3(g) → CO2«@) + 2H2O(g) ДН (КУmol) -249.2 Substance Substance AHf (kJ/mol) H2O1) Ocg) Oxg)…

A: Here we have to determine ∆H°rxn of the given reaction from standard enthalpy of formations data.…