18-29. The measured pH of a 0.100 M solution of NHs(aq) at 25°C is 11.12. Calculate K, for NH3(aq) at 25°C.

Q: write T if underlined word iscorrect, write the correct answer if false   1. Graphene can be found...

A: The periodic table is defined as arrangement of the chemical elements in the form of a table. It has...

Q: calc . the equilibruim concebtration if k = 1.2 x 10^-5 4 If 0.50 mol of NO, is placed in a 2.0L fla...

A: If 0.50 mol of NO2 is placed in a 2.0L flask to create NO and O2 calculate [if keq = 1.2 x 10-5.  

Q: 2. Carbonic acid (H2CO3) has an acid dissociation constant of 4.3 x 10 -7. Calculate the equilibrium...

A: We have to predict the concentration of carbonic acid at equilibrium   

Q: Determine the concentration of hydronium ions, hydroxide ions, the pH and the pOH of 0.0500M aqueous...

A: We have to calculate the concentration of hydronium ions, hydroxide ion, pH and pOH of the solution....

Q: From the following data, H2 (g) + Cl2 (g) → 2HCI(g) AHv = -185 kJ 2H2 (g) + O2 (g)→2H20(g) AH = -483...

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Q: You may want to reference (Pages 598 - 605) Section 14.5 while completing this problem. Part A A fir...

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Q: 2) 150.0 mL of a nitric acid (HNO3) solution is titrated to its bromothymol blue endpoint with 48.33...

A: We have to predict the concentration of nitric acid solution.      

Q: Calculate the pH of a 1L aqueous solution that is 0.13 M in NH3 and 0.26 M in NH4NO3 after 0.013 mol...

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Q: Question 3 Calculate the amount of heat absorbed by 10.0 grams of ice at-15.0°C as it is converted t...

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Q: How many electrons does a Co atom have in its 3d subshell? number of electrons: 3d elec How many of ...

A: In this question, we have to tell how many electrons are present in 3d subshell of Cobalt atom and a...

Q: A chemist needs to create a 50% HCI solution. (HCt is hydrochloric acid. A "50% HCl solution" contai...

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Q: A catalyst affects the rate of the forward reaction by changing which of the following? Heat of reac...

A: Catalyst is a substance which can change the rate of a reaction without itself consumed.

Q: FTIR Common Name: BP: IUPAC Name: MP: MICRONS 100 foo 90 .05 -0.1 70 60 50 40 30 20 10 -20 4500 4400...

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Q: The heater used in a 4.33 m x 3.60 m x 2.86 m dorm room uses the combustion of natural gas (primaril...

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Q: šolution contains 0.305 M hydrocyanic acid and 0.379 M sodium cyanide. If 0.0518 moles of potassium ...

A: Given- Concentration of hydrocyanic acid=0.305M  Concentration of sodium cyanide =0.379M Moles of po...

Q: If 3.21 mol of a gas occupies 56.2 Lat 44 °C and 793 torr, 5.29 mol of this gas occupies __________ ...

A: Given :-  Initial moles = 3.21 mol Initial volume = 56.2 L  Final moles = 5.29 mol  To calculate :- ...

Q: The atmospheric oxidation of nitrogen monoxide, 2NO(g) + O2(g) 5 2NO2(g) was studied at 184°C with i...

A: Given-> 2NO(g) + O2(g) -->2NO2(g) Initial pressure of NO =1.000 atm Initial pressure of O2 = 1...

Q: Determine the pH during the titration of 39.6 mL of 0.226 M trimethylamine ((CH3)3N, Kp = 6.3x10-5) ...

A: Since you have asked a question with multiples of parts we will answer only 1st 3 subparts for you. ...

Q: which group is responsible for peak 1, 2, 3

A: Infrared Spectroscopy (IR) is useful for the identification of organic compounds.  Identify what typ...

Q: What volume of N2 can I produce with only 10g of NaN3? Assumption: Pressure: 1atm Temperature: 29...

A: Given :-  6NaN3-> 2Na3N + 8N2  Mass of NaN3 = 10 g  Temperature = 298 K  Pressure  = 1 atm To cal...

Q: CH3-CH2-CH-CH-CH2-CH3 CH3 CH2 CH3

A: Here , we have to tell IUPAC name of the given Organic Compound 

Q: Vanadyl trichloride (VOCl3) is a liquid that is used as a catalyst in the manufacturing of batteries...

A: Given data : Mass of VOCl3 = 21.34 g Molar mass of VOCl3 = 173.3 g/mol melting point: -77°C  boiling...

Q: CH3CH2OH + CuO → CH3CHO + H2O + Cu If there are 1620 g of ethanol and 1020 g of CuO readily availab...

A: Mass of ethanol = 1620 g  Mass of CuO = 1020 g  Mass of acetaldehyde = ?  Mass of excess reactant = ...

Q: First, find the solubility (i. e. equilibrium concentrations) of a Ca2+ and F ions in a solution of ...

A: Solubility is the measure of capability of dissolving in water. After dissolving the product of ions...

Q: Questi 12 of The percent by mass of glucose (MM = 180.2 g/mol) in an aqueous solution is 23.9%. What...

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Q: We titrated a 25.00 mL water sample with 0.1250 M HCI. The second endpoint at pH 4.5 was achieved af...

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Q: Predict the product of reaction shown. fuming H,SO, SO,H so, он IV O II

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Q: For this molecule complete the following: a. Use Valence Bond theory to write the atomic energy leve...

A: To draw the before hybridization and after hybridization orbital diagram for the Nitrogen atom and f...

Q: obtain the synthesis of the following compounds starting from a benzene 04 HOC

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Q: The following are the goal of chemical spearation process, EXCEPT?      isolation of the analyte ...

A: Goal of chemical seperation process:

Q: (ii) What is the significance of Kp? Hence, arrange the three molecules in terms of decreasing affin...

A: Given:

Q: An analysis was done on 3 unknown samples (NaOH, Na2CO3 and NäHCU3) USIng each analysis and a single...

A: Neutralization reactions of all three possible compounds are: NaOH + HCl ------> NaCl + H2O Na2CO...

Q: In this reaction, 22.7 g of lithium nitrate reacts 13.5 g of barium sulfate. What will be the mass o...

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Q: I Review | Constants Cyclopropane rearranges to form propene in the gas phase. Part A If the initial...

A: given :-  cyclopropane → propene  first order reaction  K = 3.36 × 10-5 s-1  initial cyclopropane co...

Q: In Įmass spectrometry, hogh energy protons is use to bombard the molecule so that it will break down...

A: We need to tell if the given statement is true or false

Q: 2 Volume HCI Added (mL) Strong Base//Weak Acid Strong Acid/Strong Base Strong Acid/Weak Base Weak Ac...

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Q: For this molecule complete the following: a. Use Valence Bond theory to write the atomic energy leve...

A: To draw orbital diagrams before and after hybridization for N atom and the marked carbon atom.

Q: What type of elution uses different proportions of solvent during separation process?

A: Elution is a process of separating one from a mixture by using eluent or solvent. By solvent extract...

Q: Write the balanced chemical equation associated with the formation constant, Kf, for each complex io...

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Q: I know the answer is correct but I can’t figure out if C is tertiary ? It can’t be secondary because...

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Q: Question 7 How do you call the small peak usually found at the the left of the moelcular ion peak in...

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Q: The pressure in a 12.2 L vessel that contains 2.34 g of carbon dioxide, 1.73 g of sulfur dioxide, an...

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Q: Designate sequentially (1,2) the stereochemistry at the numbered sites in the given drawing of vitam...

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Q: How do you call the small peak usually found at the the left of the moelcular ion peak in a mass spe...

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Q: The following are the goal of chemical spearation process, EXCEPT? O identification of the separated...

A: Here we have to choose correct option which is not included in a chemical separation process. Ident...

Q: - Calculate the acid dissociation constant for a solution of a 0.20M HF if the pH is 4.32.

A: given :- pH of HF solution = 4.32               concentration of HF = 0.20 M  To calculate :-  value...

Q: The oxidation number of the reducing agent increases during oxidation.  True or False?

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Q: oxidation reaction cannot happen without a reduction reaction.  True or False?

A: The oxidation reaction can not occur without reduction if one substance losses electron then some su...

Q: An aqueous solution contains 0.22 M hydrocyanic acid. One Liter of this solution could be converted ...

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The buffe...

Q: Consider the following reaction equation of combustion of glucose, C6H12O6: a. Calculate the enthalp...

A: Mass of Glucose = 5.25 g C6H12O6 (s) + 6O2(g) ------> 6CO2(g) + 6H2O(g)

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.