GUIDE QUESTIONS 1. What type of precipitate is BaSO4? 2. Why is a filter paper preferred over a sintered glass filter? 3. What made an ashless filter paper ashless?

Q: Express the equilibrium constant for the following reaction. 2 P4O10(s) ⇌ 2 P4(s) + 10 O2(g)     A)...

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Q: How many grams of solid barium sulfate form when 35.0 mL of 0.160 M barium chloride reacts with 58.0...

A: First calculate moles ,then use stoichiometry and limiting reagent. Then find mass of solid barium s...

Q: If the [H3O+] is 4.95 x 10–12 M, what is the pH?

A: Given :-  [H3O+] =  4.95 x 10–12 M  To calculate :- pH of solution  

Q: What molecules are formed when the following molecule reacts with aqueous acid?

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Q: Results: Part 1: Sensor reading Solution Step Initial Vol (ml) Final Vol (ml) Molarity Moles of Solu...

A: We are given the volume(V) and molarity(C) of each solution. We can find the moles of the solute usi...

Q: Calculate the mass of KI needed to saturate 111.11g H,0 at 20° C.

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Q: The pH of an aqueous solution of 8.39×10-2 M ammonium nitrate, NH4NO3 (aq

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Q: Learning Activity 02. Solution Stoichiometry 1. How many grams of Calcium phosphate can be produced ...

A:   Molarity= number of moles of solute ÷ Volume of solution in L

Q: The acid ionization constant for Al(H2O)63+(aq) is 7.9×10-6. Calculate the pH of a 0.0366 M solution...

A: Since you have posted multiple questions, the answer for first question is given below. Kindly repos...

Q: 10) Circle any conjugated portions in the molecules below. OCH3 H2C 11) Circle the compound(s) which...

A: Double bond conjugation is the main reason of resonance. Higher is the no. Of conjugation higher wil...

Q: What is the balanced equation of 3m? What is the balance equation of Ksp= [Ag+]²[CrO4²-]

A: We have to just write the balanced equation.

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: CH2=C=CH-CH2-CH2-CH=CH2 C= C-CH3 3. fra 1. 2.

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Q: Exercise 15.36 Enhanced - with Feedback Part A MISSED THIS? Watch IWE 15.5; Read Section 15.6. You c...

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Q: Identify the relationship between the following compounds. CH CH CH O constitutional isomers O stere...

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please re...

Q: NHx) + H;0n * NH ) OH + heat a. Ammonium chloride is added to the reaction b. Sodium hydroxide is ad...

A: Le Chatelier's principle: This principle is used to predict the effect of a change in conditions on ...

Q: 1. Salts are forIned by the reaction of an acid and a base. For each of the following combination pr...

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Q: What is the molar solubility of AgCI (Ksp = 1.80 × 101º) in 0.870 M NH,? (Kf of Ag(NH,),* is 1.7 x 1...

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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: Measurements show that unknown compound X has the following composition: element mass % calcium 38.7...

A: Write the empirical formula of X....

Q: Given the following spectrum, estimate Amax: 1.2 1 0.8 0.6 0.4 0.2 380 430 480 530 580 Wavelength (n...

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Q: If [H3O+] = 2.65 x 10–4 M, what is [OH–]? Given: Kw = [H3O+][OH–] = 1.00 x 10–14 Group of answer c...

A: Given - - > [H3O+ ]  = 2.65 x 10-4 M Kw = 1.00 x 10-14 We know that and it is also given that  Kw...

Q: Construct the expression for Kc for the following reaction. CH,COOH(aq) + H,O(1) = CH,COO (aq) + H,O...

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Q: solution. Use PV=nRT to determine the number of moles of the

A: Given, T = Temperature = 300 K Pressure = 748 mm Hg   = 748/760 = 0.984 atm Volume = 4.00 L Mass of ...

Q: Aluminum chloride, AlCl3, can be made by the reaction of aluminum with chlorine according to the fol...

A: The given reaction is., Al   +   Cl2         ------>    AlCl3 The Balanced reaction is., 2Al   + ...

Q: A mixture initially contains AA, BB, and CC in the following concentrations: [A][A]A_1 = 0.700 MM , ...

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Q: • Part C How many milliliters of 14 M HCl must be added to 0.500 L of the original solution to chang...

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Q: Given the following chemical equation and rate law: CH3CHO(g) → CH4(g) + CO(g) Rate = k[CH3CHO]? Wha...

A: For the given chemical reaction., CH3CHO(g) ---> CH4(g) + CO(g) Rate for the reaction = k[CH3CHO]...

Q: A pharmacist had 3 grams of hydromorphone hydrochloride. He used the following: 1⁄8gram, followed by...

A: Just we need to calculate amount of hydromorphone hydrochloride left.

Q: What volume of 0.496 M HCI is required to neutralize 20.0 mL of 0.809 M sodium hydroxide? Balanced C...

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Q: According to the picture above, Which statement best describes the set of primary air pollutants re-...

A: The primary air pollutants responsible for acid rain is as given below.

Q: What is the equation and overall rate for an associative ligand exchange where ligand binding is rev...

A: The steady state approximation is a method to arrive at the rate law which is based on the fact that...

Q: Combining 0.315 mol Fe,0, with excess carbon produced 18.0 g Fe. Fe,0, + 3C - 2 Fe + 3 CO What is th...

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Q: conjugate acid conjugate base K

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Q: Solve all parts otherwise I will downvote...

A: A student has 5.35 g of zinc powder, 1.05 L of a 1.90 M calcium nitrate solution, and 1.70 L of a 2....

Q: Balance the equation. Remember to include states of matter. Ni(s) + HCl(aq) → NiCl2(aq) + H2(g)

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Q: Assumed water volume = 10.0 ml a.) calculated mass of water b...

A: The mass of a compound is related to its density and volume as follows: Density=MassVolume          ...

Q: The reactant concentration in a second-order reaction was 0.140 M after 260 s and 4.40×10 2 M after ...

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Q: In this experiment the height of liquid measured using the capillaryrise method (h in equation 14 be...

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Q: 14) Obtain the major product for 1,2- and 1,4-addition reactions (a and b) of conjugated system firs...

A: Given:-

Q: ACCURATE ERRONEOUS IMPOSSIBLE 1-methyloct-1-ene o-phenol diethyl ether

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

Q: Calculate the pH when 45.0 mL of 0.200 M HBr is mixed with 28.0 mL of 0.400 M CH NH, (Kb = 4.4 × 10*...

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Q: the net ionic equation for the conversion of iodine I2, to iodide I- .  What kind of reaction is thi...

A: Given- Conversion of I2 to I^-  

Q: One dose of an antacid contains 860. mg each of Mg(OH)2 and Al(OH)3. How many moles of each compou...

A: Given:- One dose of an antacid contains 860. mg each of Mg(OH)2 and.     Al(OH)3. To find:- How many...

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 chem easures the energy change AH during the following reaction: 2 NH3(g) → N,(9)+3H,(g) AH=160. k...

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Q: To create 100.0 mL of a 0.016 M solution of sodium hydrogen sulfite from a 0.032 M solution of sodiu...

A: To answer these questions , we would first calculate the volume of stock solution needed to make dil...

Q: What is the pH of a 0.055 M solution of sodium cyanide? The Ka value for hydrocyanic acid is 6.2 × 1...

A: The pH of a 0.055 M solution of sodium cyanide can be calculated as follows

Q: Why do you think that the surrounding temperature of ice cubes is cold and has condensation? What pr...

A: The surrounding temperature of ice cubes is cold.

Q: From the following reacțions and thermal data at 25°c 3 2 Fe(s) + O2(g) = Fe,Oa(s) AH° = -196,500 ca...

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Applications of Molecular Spectroscopy

When light sources pass through the diffraction grating then light splits into different wavelengths. The light source produces two types of patterns that are shown as destructive and non-destructive. The light source is in the form of quanta that is quantitation.