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Q: 1.Calculate the pH of 0.134 M Sr(OH )2   2. A given weak acid has a pK 3 of 8.18. Calculate the perc...

A: 1.Calculate the pH of 0.134 M Sr(OH )2   2. A given weak acid has a pK 3 of 8.18. Calculate the perc...

Q: The reason Als* can act as an acid is because

A: Lewis acids are those which can accept electrons.  

Q: 8) If the pOH of a solution is 4.0 What is the pH?

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Q: A given weak acid  has a pKa of 8.79.  Calculate the percent ionized in 0.31 M of the weak acid. PLE...

A: pKa = - log Ka Ka = 10-pKa Ka =  1.6 × 10-9 Let the weak acid is HA. HA --> H+ + A- Ka = [H+][A-]...

Q: Unknown group one was treated .3 with six drops of HCI. A precipitate was observed. Which ion or gro...

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Q: 8.What volume, in L, of 0.100 M Pb(NO3)2 is required to react completely with 45.6 mL of 0.225 M HCl...

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Q: Hello, can you help me with these questions? Thank you.

A: Name of the given compound - a) NaBr = sodium bromide b)CuCl2 = Copper (II) chloride c)ZnO = Zinc ox...

Q: Calculate the pH when 80.0 mL of 0.250 M HCl is mixed with 40.0 mL of 0.150 M Ca(OH)₂.

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Q: Consider three hypothetical ionic solids: AX,AX2, and AX3 (each X forms X-). Each of these solids ha...

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Q: Based on the structures shown, which isomer should exhibit the highest aromatic stabilization? (a) (...

A: In case of A option it has 13 conjugated double bond and follow 4n+2 Rule with n=6 of aromaticity al...

Q: 13.) Look at the following reactions and answer the questions below. Al (s) + Pt+2  solid formed Al ...

A: Yes, Al metal is more Reactive than Pt because Al is easily Oxidised and Pt2+ ion easily reduced by ...

Q: choose an ionic compound that contains a polyatomic ion. state the name and the correct chemical for...

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Q: please include the solution to the imaged problem, thanks.

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Q: 2-chloro-2-methylpropane reacts with water in three steps to yield 2-methylpropan-2-ol. One of these...

A: Tertiary alkyl halide undergoes SN1 reaction . In such reactions carbocation intermediate is formed....

Q: 1.How many grams of S2Cl2 can be formed when 6.000 g of sulfur reacts with 6.000 g of chlorine? S...

A: Number of moles = mass/molar mass  Mass = moles × molar mass    Percent yield = (actual yield/theore...

Q: Chemistry Question

A: Balanced Reaction CH4 + 2 Cl2 --> CH2Cl2  + 2HCl So, methane reacts with chlorine gas to form dic...

Q: 3. Explain in terms of bonding why ethene mostly undergoes electrophilic addition reactions. Draw th...

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Q: CS2 Express your answer in moles. ? mole Submit Previous Answers Request Answer X Incorrect; Try Aga...

A: To calculate the number of moles in 5.00 g of each of the following: CS2 Ca3N2

Q: 6. A 12.99 g sample of copper that is at 7.9 °C is added to 1.00 g of hot water is initially at 93.2...

A: Given data set: Mass of copper = 12.99 g Initial temperature= 7.9 °C Final temperature = Tf Specific...

Q: Predict whether the following reactions will occur:  3Mg(s) + 2AlCl3(aq) à 3MgCl2(aq) + 2Al(s) Cl2(g...

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Q: For the reaction shown below, draw the structure(s) of the major product(s) expected. Do not draw du...

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Q: What is [H⁺] in a 0.260 M solution of acrylic acid, CH₂CHCOOH (Ka = 3.16 × 10⁻⁵)?

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Q: A titration of 41.0 mL of a malonic acid (H₂C₃H₂O₄) solution of unknown concentration with 0.505 M N...

A: Malonic acid is diprotic acid, it reacts with NaOH to produce disodium malomate and water by the fol...

Q: If its volume is 500 mL and its contents have a pH of 2, how many moles of H does it contain? ffgurn

A: To solve this problem first we have to calculate the concentration of H+ ion  then we will calculate...

Q: 23. Write another resonance structure for ethyl acetate. Include formal charges. CH ÖCH,CH,

A: Resonance is the phenomenon in which the lone pairs and/or the double bonds delocalize within the mo...

Q: The OH⁻ concentration in an aqueous solution at 25 °C is 7.1 × 10⁻⁵. What is [H⁺]?   Answer:        ...

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Q: Estimate the value of the equilibrium constant at 675 K for each of the following reactions. Part A ...

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Q: Determine the pH of the following solutions, using the information provided a) 1.25 ×10–3 M HNO3 sol...

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Q: 19. A sample of a compound contains 19.97g Ti and 13.37g O. Determine the empirical formula of the c...

A: Mass of Ti  = 19.97 g  Mass of O = 13.37 g  Empirical formula of the compound = ? 

Q: 24. Write another resonance structure for acetamide. Acetamide

A: The delocalization of electrons in any compound leads to the formation of many different resonance s...

Q: 27. Arrange the following compounds in order of increasing boiling point. Explain your answer in ter...

A: Boiling point refers to the temperature at which a substance changes its state from liquid to gas.  ...

Q: How many moles of KBr are in 52.3 grams of KBr?

A:

Q: If you mix 50.0 mL of a 1.32 M NaCl(aq) solution with 75.0 mL of a 0.20 M AgNO3(aq) solution at 25oC...

A: At equilibrium Ksp = [Ag+] [Cl-] = 1.6 x 10-10  [Cl-] =[NaCl] 

Q: Potassium chloride (KCl) and ammonia (NH3) are both very soluble in water. But they both dissolve in...

A: KCl being an ionic salt when dissolved in solution gets dissociated into its constituent ions like K...

Q: 3. 4NH, + 50, - 4NO + 6H,O If 3 moles NH, and 6 moles O, are placed in a closed tank and allowed to ...

A: According to Bartleby questions and answers guidelines we are supposed to solve only the  first ques...

Q: Predict whether the following reactions will occur. Cl2(g) + 2KBr(aq) = 2KCl(aq) + Br2(aq)

A: 1. Given reaction,       Cl2(g) + 2KBr(aq) = 2KCl(aq) + Br2(aq)

Q: ,what will be the concentration of cO at equilibrium?

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Q: Q3 :Calculate the concentration of potassium ion in grams per litter after mixing 100 mL of 0.250 M ...

A: The question is based on the concept of solutions. we are mixing three solutions. we have to calcula...

Q: Use the molar bond enthalpy data in the table to estimate the value of Δ?∘rxn for the equation   C2H...

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Q: How many molecules C,H, are in 7.62 mol?

A: given  No of moles.   7.62 mol 

Q: I am allowed to work with someone stuck on 15 & 16

A: Mg3N2 + 6 H2O  → 2 NH3 + 3 Mg(OH)2  Match the reaction stoichiometry and by doing appropriate calcul...

Q: Using the equations 2 Sr(s) + O2 (g) – CO2 (g) → C (s) + O2 (g) AH° = 394 kJ/mol 2 Sro (s) AH° = -11...

A:

Q: Convert 4.80 x 1021 molecules of H2O2 to moles H2O2.     0.363 moles H2O2     0.00797 mo...

A: Moles of H2O2 = ( number of molecules of H2O2 / Avagadro number )  Where : number of Molecules of H2...

Q: Consider the following reaction.N2 + 3 H2 → 2 NH3 .28.0 grams of N2 and 5.04 grams of H2 arereacted,...

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Q: How many moles of a gas at 100.0 °C does it take to fill a 1.00 L flask to a pressure of 1,50 atm?

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Q: Provide balance , chemical equation for each. Probed state of matter

A: Balance chemical equation is defined as which has equal number of atoms or ions in both sides reacta...

Q: Gay-Lussac's Law is an empirical gas law that describes the direct proportionality between

A: Ideal Gas Law :-  PV = nRT  P is the pressure of gas  V is the volume occupied by gas n is the numbe...

Q: Please answer correctly.

A: • For an isolated molecules , the oxidation number tells about the charge of any atom in molecules. ...

Q: Chemistry Question

A:

Q: According to the Kinetic Theory of Gases, an ideal gas molecule a. has mass, but no volume b. has mo...

A: According to the kinetic theory of gases, [By Amontons' Law (P T)] The last postulate of the kinetic...

Actinides

The elements in which the extra electron tends to enter the 5f-orbitals of (n–2)th main shell are considered 5f-block elements. They are also named actinides. Actinides include 15 elements, from atomic number 89 to 103.