Which pair of compounds will not form a buffer in the solution ? NaCI, HCI НЗРО4, КН 2РО4 NH3, NH4CI H2SO3, KHSO3

Q: 5.56 Consider the following reaction: •  6 NiO(s) + 4 CIF3(g) —) 6 NiF2(s) + 2 Cl2(g) + 3 O2(g). Wha...

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Q: Three bulbs are connected by tubing, and the tubing is evacuated. The volume of the tubing is 34.0 m...

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Q: 14. Acetic acid is a weak acid with the formula CH3COOH; the Ka for acetic acid is 1.76 x 10-5 In a...

A: We have to predict the pH of acid solution.  

Q: If the H+ concentration in a carbonated beverage is 4.7 ´ 10-5 M, what is the OH- concentration? (Kw...

A: The H+ and OH- concentration in aqueous solution is related by the following relation- H+ + OH- = Kw...

Q: Given the following reactions: N2(g) + 202(g) –→ 2NO2(g) AH = 66.4 kJ 2NO(g) + O2(g)→ 2NO2(g) AH = -...

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Q: A balloon containing 2.99 g of water at 0.909 atm and 400.45 K has volume of 5743 mL. Based on this ...

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Q: Which of the following is considered ewaste? Select all that apply Washing machine Lap top Vacuum OL...

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Q: What is the freezing point (°C) of a solution prepared by dissolving 50.0 g of glycerin in 200.0 g o...

A: Given data is as follows: The mass of glycerin = 50.0 g The mass of ethanol = 200.0 g The freezing p...

Q: 1) m-СРBА 2) МеO"/ MeOH Br2 .C=N Me-C Me CH3 МеОн gentle heat Br Me +

A: Concept:  A) m-CBPA:  it is used for epoxidation of Alkene. Further epoxide opening will be via SN2 ...

Q: : Hydrogen and oxygen are reacted and the water formed is collected at 25°C, where it has a density ...

A: Given :-  Mass of H2 = 36.8 g  Mass of O2 = 168 g  Density of water = 0.997 g/mL  To calculate :-  V...

Q: Consider the octahedral species CrCl63- (point group Oh). What point group results by   removing on...

A: Given

Q: Why do you think there are slots in the metal atoms

A: A metal is a material, when freshly prepared, polished or fracture shows a lustrous appearance and m...

Q: Determine the molar it’s of a solute when 0.130 mol of the solute is dissolved into enough solvent t...

A: Given :- no.of moles of solute = 0.130 mol                Volume of solution = 550 mL  To calculate ...

Q: 3. For the reaction,  N2O4(g) ⇄ nitrogen dioxide (g)  At 25oC, the equilibrium concentrations of n...

A: The balanced chemical reaction is as follows: N2O4g  ⇌ 2NO2g At equilibrium, the rate of the forward...

Q: Explain a condition that could be changed in a system that would increase the amounts of products at...

A: The condition that could be changed in a system to increase the amounts of products at equlibrium  i...

Q: 25.0 mL of a 0.356 M solution of NH4 + was mixed with 40.0 mL of 0.842 M potassium nitrate. What is ...

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Q: Calcium metal will react with water as follows: __Ca(s) + __H2O  __Ca(OH)2(aq) + __H2(g) What is th...

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Q: 3- ethylcgclohexa - 1,4-diene NHz

A: Given compound: 3-ethylcyclohexa-1,4-diene The structure of the above-given compound has to be deter...

Q: Which of the following below explains the relationship between boiling point and vapor pressure corr...

A: Boiling point: The temperature at which the vapor pressure of a liquid becomes equal to the atmosphe...

Q: Which of the following scenes depict the process of an increase in the enthalpy?     Stirring a coff...

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Q: МАТСHING Match each term in Column A with its description in Column B. Write the correct letter in t...

A: Decomposition reaction is the reaction which breaks down the simpler substances into two or more com...

Q: The combustion of octane (C8H18) gas. The combustion of decane (C10H22) gas.

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both...

Q: What is the correct IUPAC name for the following compound?   Group of answer choices 3,3-diethyl-6-...

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Q: 66. The pink solution in the Erlenmeyer flask is due to the addition of pthalic anhydride phenolptha...

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Q: Which of the following is NOT a valid expression for the rate of the reaction for the equation: 4NH3...

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Q: CH3 CH3 CH3 CH3CH2CH-CH-CH-CH2CH-CH3 CH2CH3

A: Rule of IUPAC- 1) Longest chain as parent chain. 2) Numbering start from those side where more prior...

Q: H2C-CH3 H3C-CH-CH2CH,CH3

A: Rule of IUPAC- 1) Longest chain as parent chain. 2) Numbering start from those side where more prior...

Q: 55. is what we get when the -OH group replaces the hydrogen atom in benzene.

A: Given :- _________ is what we get when the -OH group replaces the hydrogen atom in benzene  To ident...

Q: 5. Write an equation that would produce the following products a) 0- NH2 b) `NH2 NH4 c) Classify eac...

A: Primary amine  type is RNH2.. Secondary amine type is RNHR.. Tertiary amine is R3N...

Q: CH3 H3C- CH CH CECH CH3 CH2 ČH3 CH3 5 CH2 H3C-CH-ĆH- CH2 CH3 ČH3 H3C- CH-CEC- CH -CH3 CH2 CH3 CH3

A: Answer : Naming of alkenes and alkyne : ★ Find the longest carbon chain that includes both carbons o...

Q: Emma lives in Wisconsin and wants to plant geraniums in her yard. The average daily temperature in h...

A: Emma lives in Wisconsin and wants to plant geraniums in her yard. The average daily temperature in h...

Q: Calculate the most probable speed for hydrogen molecules at 0C. Select the correct response: 1200 m/...

A: Given data: Temperature (T) = 0°C = (0+273.15) K = 273.15 K Molar mass of hydrogen molecule(M) = 2 g...

Q: Suppose a 250. mL flask is filled with 1.1 mol of CO, 0.80 mol of H,0 and 0.60 mol of CO,. The follo...

A: Volume of flask = 250.0 mL Moles of CO = 1.1 mol Moles of CO2 = 0.60 mol Moles of H2O = 0.80 mol

Q: A sample of gas at 15º C and 1 atm has a volume of 2.58 L. What volume will this gas occupy at 38º C...

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Q: his is the chemical formula for acetic acid (the chemical that gives the sharp taste to vinegar): CH...

A: We have to calculate the moles of hydrogen.  

Q: Decide whether each pair of elements in the table below will form an ionic compound. If they will, w...

A: An ionic compound is formed by complete transfer of electron form one species to another. Generally ...

Q: Consider an ideal gas with an absolute temperature of T1. To what temperature would the gas need to ...

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Q: Which of the following scenes depict the process of an increase in the enthalpy?     Stirring a coff...

A: a) When stirring a coffee mixture leads to increase in entropy due to increase in randomness in the ...

Q: Consider the dissolution of A2B: A2B(s) → 2A*(aq) + B´(aq). Using the information below, calculate f...

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Q: Write the balanced dissociation equation and calculate the molar concentration of the cations and an...

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Q: Calculate the average atomic mass of the element iron (Fe) using the following data: Isotope Iron-54...

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Q: equilibrium?

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Q: Give one anion that will be isoelectronic with the ion of element Strontium (Sr).

A: Atom is defined as tiny particle of matter which can not be further divided in to any smallest parti...

Q: 7a. What are the products of the following reaction? HO. H. 7b. Draw the products of the two reactio...

A: All the reaction occurs via two steps. Acid chloride and esters acts as electrophile . Nucleophilic ...

Q: Determine the enthalpy of the reaction in which sulfur dioxide is oxidized to sulfur trioxide using ...

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Q: Consider the following reaction where Ke 1.29x102 at 600 K. coci2(9) co(g) + Cl2(9) A reaction mixtu...

A: We have to calculate the reaction quotient and direction of reaction to reach equilibrium.  

Q: Problem 15.10 Label the chirality centers in each compound. A molecule may have zero, one, or two ch...

A: A chirality center is generally a carbon that is attached to four different atoms or groups.

Q: 5. A 6.00-g candle is consumed in heating 45.0 g of water from 19.0°C to 32.0°C. If you ignore loss ...

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Q: heat ...

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Q: In a constant-pressure calorimeter, 60.0 mL of 0.300 M Ba(OH), was added to 60.0 mL of 0.600 M HCI. ...

A: We have to predict the ∆H for per mole of water produced .  

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.