Calculate the change in pH that results from adding 25 mL of 0.010F HCI to 500ml buffer solution which is 0.25M ammonia and 0.15M ammonium chioride. 1 Add file

Q: Suppose 2.72 g of potassium bromide is dissolved in 200. mL of a 0.20 M aqueous solution of silver n...

A: Given data :  1. Mass of KBr = 2.72 g  2. Volume of AgNO3 = 200mL = 0.200L 3. molarity of AgNO3 = 0....

Q: Which reaction schemes is best to give the product? HO. NO2 O The following reaction scheme: CH3 KMN...

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Q: 1. The literature value for the Kg of Ca(OH), at 25°C is 4.68 x 10. How does the value you determine...

A: #1: The literature value of Ksp of Ca(OH)2(s) = 4.68*10-6  Experimental value of Ksp of Ca(OH)2(s) =...

Q: Consider the following reaction at 25.0 degree Celsius. 1) If the initial concentration of [Hg(OH)2]...

A: Answer: With the help of given data, first of all find out order of reaction and then using the inte...

Q: A pressure of 150 KPa is equivalent to how many meters of water? Of mercury (sHg = 13.6)?

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Q: What is the major organic product of the following reaction? xs NABH4 H. CH3OH OCH3 OH OH OH OH FOCH...

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Q: 9. How many unhybridized p orbitals are present in the follow structure? Me Me

A: Answer with explanation has been provided in next step

Q: A chemist titrates 80.0 mL of a 0.1023 M butanoic acid (HC,H,CO,) solution with 0.4765M KOH solution...

A: In this question we will do an acid-base reaction between butanoic acid which is a weak acid and KOH...

Q: consider the following exothermic reaction at 0.00 °C and 1.00 atm Se04 (g) Se(g) + O2 (g) , Kc = 2....

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Q: Which of the following carbaxylic acid derivatives are present in che molecule shown? CI 1. Lactone ...

A: In this question, we have to identify the carboxylic acid derivatives present in the shown molecule.

Q: What is the percent composition of scopolamine, C17H21NO4? __C% __H% __N% __O%

A: Molar mass of C17H21NO4 = molar mass of (17C + 21H + 1N + 4O)  = [17(12)+21(1)+1(14)+4(16)] = [204 +...

Q: Activity 11 This problem is on how to determine the pH of a salt. The salt is NaCIO. Find the pH of ...

A: 11.)  NaClO is a sodium salt of HClO acid , so its ion is ClO-, which is basic in nature.  So, we wo...

Q: Determine the moles of ammonia present in 9.7 mL of O.51 Mammonia. Give your answer to four decimal ...

A: Given data: The volume of ammonia is V=9.7 mL=9.7×10-3 L. The molarity of ammonia is M=0.51 M=0.51 ...

Q: When monitoring a reaction, the initial temperature of the reaction is 29 °C, it rose to 57 °C and t...

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Q: Predict the Product. Provide the major organic product(s) for each of the following reactions shown ...

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Q: When 12.0 mL of a 3.90x105 M potassium sulfide solution is combined with 15.0 mL of a 2.94x10-4 M si...

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Q: NH3 ionizes partially and at equilibrium its concentration is greater than NH4+. Why? Select one: a...

A: Given,  NH3 ionizes partially and at equilibrium its concentration is greater than NH4+. Why? Select...

Q: As a routine safety procedure, acids and bases should be stored separately in a laboratory. Concentr...

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Q: Describe how the melting point range was determined

A: Melting point range is the range of temperature where substance actually melts .  

Q: When monitoring a reaction, the initial temperature of the reaction is 29 ºC, it rose to 57 ºC and t...

A: Given, Initial temperature of the reaction is 29°C Final temperature of the reaction is 39°C We have...

Q: Nature favors exothermic reactions because after such a reaction a. energy previously held ...

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Q: When a small amount of strong base is added to an ammonia/ammonium chloride buffer, what happens to ...

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Q: Select the methods(s) that would produce the ester shown on the right as the major product CH3OH NHC...

A: Since -NHCH3 is not a good leaving group. So in the reaction 1   there would not be formation ester....

Q: OH 1) xs LIAIH4, ether 2) H+, H2O b) H,C H3C CI pyridine a) H3C NH2 H,C OH OH 1) xs CH3MgBr,ether + ...

A: LiAlH4 reagent is reducing agent which can reduce amide to amine.  

Q: Selenous acid (H2SeO3) is a diprotic acid, for which Ka1= 4.28 x 10^-3 and Ka2= 5.03x10^-8. Determin...

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Q: Identify the correct structures in each step of the reaction sequence shown. 1) NaOCH2CH, CH3CH,OH 1...

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Q: 1. Consider the reaction below. Co(H2O),* (aq) + 4 CF (aq) = COCL (aq) + 6 H20 (1) The equilibrium c...

A: kc is the ratio of  product of concentration of products raised to their stoichiometric coefficient ...

Q: ind an expression for the diffusion coefficient in parallel and perpendicular to he basal plane for ...

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Q: n the following Lewis structure of [BrO3]¯, every atom, bond and lone pair is positioned. To complet...

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Q: AGCI(s) Ag (aq) +72.68 C1 (aq) +56.4 +96.2 S° (JK-1 mol-1) AH f(kJ/mol) Use the data given to calcul...

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Q: OH 1) Н.О, КОН CI. OH он 2) H,O, HC1 pcresol chloroacetic acid H3C +HC1 pmethylphenoxyacetic acid

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Q: Given the value of the equilibrium constant (K) for equation (a), calculate the equilibrium constant...

A: Given, 

Q: Using the following equations, N,04(g) 2NO,(g) AH° =+57.93 kJ 2NO(g) + O,(g)– 2NO,(g) AH° = -113.14 ...

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Q: 2. A boat has a mass of 6800kg. Its engines generate a drive force of 4100 N due to west, while exer...

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Q: An 804. g solution of Kool-Aid contains 377. g of water. What is the mass percent of Kool-Aid mix in...

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Q: Be sure to answer all parts.The equilibrium constant (K) for the formation of nitrosyl chloride, an ...

A: In this question, we have to find Qc for the given case.

Q: percent composition

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Q: Consider the hypothetical chemical reaction represented by the equation 3 A + 2 B → A3B2 Which of th...

A: For a given hypothetical chemical equation, 3 A + 2 B → A3B2 the stoichiometry of A, B and A3B2 is 3...

Q: Draw and provide the Functional Group and R Group for propane.

A: IUPAC nomenclature is used for naming the organic compounds as recommended by international union of...

Q: The pH of a 0.50 M solution of an acid, HA, is 4.67. Calculate Ka of HA.

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Q: An excess of sodium hydroxide is treated with 2.4 L of dry hydrogen iodide gas measured at STP. What...

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Q: * 00 Ili Σ | A 0.00100 mol sample of Ca(OH) requires 20.00 mL of aqueous HCI for 2. neutralization a...

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Q: 1.0mL of 6.0M HCl is added to 100mL of a buffer that contains equal moles of acetic acid (CH3COOH, K...

A: Initial pH of the buffer containing equal moles of acetic acid and sodium acetate can be given as: p...

Q: A gas occupies 32 L at 3,040 mmHg. What will be the pressure becomes 4,560 mmHg? a. 21.33 L b. 23.33...

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Q: e classification fo

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Q: Select all that apply: The term neutralized means that the... O the solution has excess hydrogen ion...

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Q: AP Question // Q 5) Using the graph below, find the slope (and its unit). What letter(s) the Beer's ...

A: In order to find the slope, we have to draw a linear regression plot in an excel file and using the ...

Q: -5 atm to kPa 50 atm to bar -937 kPa to torr

A: Answer 1)    76cm Hg is equal to                 =  1 atm  then ,  76.8cm Hg is equal to = (76.8 × 1...

Q: 5. Circle the most electron rich alkene. A B Me. Me Me. Me Me Me Me Me

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Q: When 20.0 mL of 0.200 M A9NO3 and 30.0 mL of 0.100 M NaCl, both at 24.72°C, are mixed in a coffee-cu...

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.