Calculate the mole fraction of C2H5OH in a solution that contains 46 grams of ethanol, C2H5OH, and 64 grams of methanol, CH3OH. * 1/3 O 1/4 O 1/2 O 2/3 O 1/10

Q: What is the frequency of light (in THz) for a photon with a wavelength of 707.0 nm? (Remember that 1...

A: Given data : Wavelength (λ) = 707.0 nm Frequency (v) =? 

Q: Use the References to access important values if needed for this question. Without doing any calcula...

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Q: When 12.0 mL of a 7.36×10-4 M potassium carbonate solution is combined with 25.0 mL of a 6.61x10-4 M...

A: Answer: Possible reaction that will take place after the mixing of both the solutions will be: K2CO3...

Q: A 450.0 mL sample of 0.20M HF Is titrated with 0.10 M NaOH. Determine the ph of the solution after t...

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Q: A solution is prepared by dissolving 0.23 mol of benzoic acid and 0.27 mol of sodium benzoate in wat...

A: Given:- A solution is prepared by dissolving 0.23 mol of benzoic acid and 0.27 mol of sodium benzoat...

Q: Which scenario best describes an acid shock event after the acidification of a body of water due to ...

A:   Ans: D The best scenario for an acid shock even after the acidification of a body of water due to ...

Q: COC2(g) = CO(g) + Cl2(g)- Submit Request Answer You may want to reference (Pages 665 - 672) Section ...

A: COCl2 (g) --> CO(g) + Cl2(g)

Q: For Practice 15.16 - Enhanced - with Feedback 11 o I Review | Constants | Periodie Part A The follow...

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Q: Experiment 3 Repeat the experiment above (Question 2) using a 10 mL pipette to dispense the 10 mL of...

A: The mean weight, standard deviation and the RSD of the water dispensed is needed to be calculated.  ...

Q: The acid ionization constant for Al(H2O)63+(aq) is 7.9×10-6. Calculate the pH of a 0.0348 M solution...

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Q: Monique adds 0.05 moles of solid NaF to 1.0 L of an aqueous solution of 0.5 M HF. What value should ...

A: Answer: To solve this question we need to draw the ICE table for the equilibrium of weak acid HF.

Q: n which solution PbSO4, be most soluble ? Why? 1 pure H2O 2. 0.05mol/L NaNO3 3. 0.05mol/LNa2SO4 ...

A: A multiple choice question based on solution that is to be accomplished.

Q: Which of the following is true? a) To lower the pH of an indicator solution, add NaOH. To raise the ...

A: Correct option is (C) explanation is given below

Q: Calculate the molarity of each of the following solutions. A.) 27.03 g C6H12O6 in 1.25 L of solutio...

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Q: Which is the best description of the regulation goals set forth by the Kyoto protocol of 1997? a sug...

A: Aim of Kyoto protocol 1997  

Q: A 2.00-L vessel contains 1.00 mol N2, 1.00 mol H2, and 2.00 mol NH3. The reaction is N2(g) + 3H2(g)...

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Q: Write the Molecular, Total Ionic and Net Ionic equations for the following reactions: Sodium carbona...

A: Given, Sodium carbonate and sodium hydroxide Sodium hydroxide and iron (II) chloride Sodium hydroxid...

Q: A community member living in a highly populated city has asthma, which increases sensitivity to cert...

A: The table below shows the U.S. Air Quality Index (AQI).The higher the AQI value, the greater the lev...

Q: alculate pressure of gas collected over water Magnesium metal is reacted with hydrochloric acid to p...

A: Given - - > Hydrogen gas which is collected over water in eudiometer = 28°C Atmospheric pressure ...

Q: Calculate the pH during the titration of 20.00 mL of 0.1000 M C6H5COOH(aq) with 0.2000 M NaOH(aq) af...

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Q: When 146.0 mL of water at 26.0°C is mixed with 41.0 mL of water at 85.0°C, what e fina temperature? ...

A: given :-  Volume of water at 26.0°C = 146.0 mL  volume of water at 85.0°C = 41.0 mL  To calculate :-...

Q: Determine the pH at the point in the titration of 40.0 mL of 0.200 M H2NNH2 with 0.100 M HNO: after ...

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Q: Calculate the pH of a HF/F- buffer solution after the addition of 32.65 mL of 0.100 M NaOH to 25.00 ...

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Q: student runs the reaction with 0.95 mL of o-chlorotoluene (d=1.073 g/mL) and 5.0 g of potassium perm...

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Q: ACCURATE ERRONEOUS IMPOSSIBLE 9-decyn-1-ene 9-ethyldec-1-ene

A: Correct IUPAC name is name which follows rules .

Q: A student dissolves 13.0 g of sodium hydroxide (NaOH)in 200. g of water in a well-insulated open cup...

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Q: Indicate the correct answer Three electron groups and no lone-pairs will form a triangonal pyramidal...

A: We can determine the molecular geometry of a molecule solely by the number of bonds and lone pairs a...

Q: What is the half wave potential (E1/2)s of the free Cd2+ metal ion in the absence of ammonia ligand ...

A: The redox reaction under study is: Cd2++6 NH3↔Cd(NH3)62+                        E0=0.16 V

Q: Give five (at least) different synthetic routes (different type reaction to prepare benzoic acid fro...

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Q: 35

A: Percent of solid P2O5 = 9.11% Percent of liquid H2O = 11.3% Total percent of fertilizer = 100 %  

Q: Given the following reaction: HNO2(aq) + H2O(l)  ⇄  NO2–(aq) + H3O+(aq) What happens when some HNO...

A: Given -> HNO2 (aq) + H2O (l) --> NO2^-(aq) + H3O^+(aq

Q: A mixture of helium and neon gas is expanded from a volume of 17.0 L to a volume of 74.0 L, while th...

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Q: Balance the chemical equation below using the smallest possible whole number stoichiometric coeffici...

A: Given :

Q: the Molecular, Total Ionic and Net Ionic equations for the following reactions: Sodium hydroxide an...

A: Since you asked multiple questions so as per Q&A guidelines of portal I solved first question fo...

Q: below, what are all the possible products produced from this reaction. What is the relationship betw...

A: H2,pd/C is reagent which give syn addition of Hydrogen.  

Q: Calculate the concentration of sulfide ions in a solution that is 0.050M in hydrogen sulfide and con...

A:

Q: Will A Precipitate Form When 100ml Of 3.0x10^-3M Pb(NO3)2 Solution Is added to 400 ML Of 5.0x10^-3M ...

A: Answer: For a compound, in a solution its precipitate will form, only if its ionic product is more t...

Q: 1. How many moles are in 0.634 Eq of CO32–  a. 0.634 mole b. 1.27 moles c. 2 moles d. 0.317 mole

A: Given-    number of Equivalent= 0.634

Q: Why is methanol chosen as the solvent for recrystallization? What would happen if the student uses d...

A: The above reaction is Electophilic substitution aromatic reaction. Which is known as Fridelcraft alk...

Q: Calculate the concentration of sulfide ions in a solution that is 0.080M in hydrogen sulfide and con...

A: Here we have to determine concentration of sulfide ions in a solution that is 0.080M in H2S and cont...

Q: The energy required to destabilize existing chemical bonds is called ____ energy. a. activation b...

A: To solve this problem we have to know about the given energy .

Q: A 50.0ml flask contains 0.0255 g methane (CH4) gas at 22.5•C what is the pressure in the flask?

A: Given mass of methane = 0.0255 gram Temperature of gas = 22.5 ℃ = (273.15 + 22.5) K = 295.65 K Volum...

Q: 1. Draw the product(s) of the following reactions. Include stereochemistry when relevant. a OH H*/H2...

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Q: How many grams of ferrous sulfate is needed to prepare 250-mL of 2.3 x 10-2 M of Fe2+ solution? O 1....

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Q: What is PTSD and what are some examples of PTSD outside of war? can you share some experiences?

A:  Posttraumatic Stress Disorder Posttraumatic stress jumble (PTSD) is a mental issue that might happe...

Q: 16 mL solution of 0.100 mol L-1 CH3COOH is titrated using 0.150 mol L-1 NaOH. What is the pH of the...

A: Volume of CH3COOH=16mL=0.016L  Molarity of CH3COOH=0.100mol L^- Molarity of NaOH=0.150mol L^- Volume...

Q: Why is that the surrounding temperature of ice cubes is cold and has condensation? What process (rea...

A: In this problem we are required to explain why the temperature around the ice cubes are cold and why...

Q: 11 o I Review | Constants | Periodie Part A The following reaction is exothermic: 2SO2(g) + O2(g) = ...

A: Le Chatelier's principle - if a stress is applied to a reaction mixture at equilibrium, the net reac...

Q: heat HN ElN (weak base) OCH conc. conditions draw 2 or 3 repeat units of the polymer product H2SO4 N...

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Q: 1.Write the equilibrium expression (K) for each of the following gas-phase reactions. a. N2 (g) + 02...

A: Equilibrium constant for the reaction involving gases is :-  K = [pProduct]÷ [pReactant]  Where pres...