What is the concentration (in Molarity) of a Sulfuric Acid (H₂SO4) solution it a 15.0 mL sample required 26.4 mL of 0.950 M KOH for neutralization? H₂SO4 + 2 KOH --> K₂SO4 + 2 H₂O (balanced) 0.012 M 0.025 M 0.836 M 0.270 M

Q: A sample of nitrogen has a volume of 5.53 L at 345 mmHg and 138 °C. What volume will it occupy at…

A: Given -> Volume (V1) = 5.53 L  Pressure (P1)= 345 mmHg  Temperature (T1) = 138°C = 138 +273 =…

Q: Calculate the height of rise of solvent (in centimeters) resulting from the osmotic pressure exerted…

A: Osmotic pressure is the minimum pressure that must be applied to stop osmosis. Osmotic pressure is a…

Q: In three different containers there is an ideal gas at a temperature of 298K. In which of these will…

A: Kinetic molecular theory of matter: This theory describes the microscopic properties of atoms and…

Q: If propanal is mixed with an oxidizing agent, then what is the IUPAC name of the product? A

A: When propanal is treated with an oxidising agent then the propanal is oxidised to form the propanoic…

Q: The preparations of two aqueous solutions are described in the table below. For each solution, write…

A: ♤ 0.9 mol of HBr is added to 1.0 L of a 0.9 M NH3 solution .♤ 0.61 mol of KOH is added to 1.0 L of…

Q: observation The enthalpy of vaporization of Substance E is smaller than that of Substance F. At 1…

A: Depends on the capability of vaporization

Q: 2. Dibuje el tautómero ceto/enol faltante e identifique el tautómero más estable. os & OH 1

A:

Q: A sample of curium-243 was prepared. After 1.00 year, the activity of the sample had declined from…

A:

Q: Propose a structure for the following: C₁H¹¹ 7.- IR: 1750 cm-¹ NMR 1.85 (t, 2H, J= 3.5 Hz) 1.92 (p,…

A: 1750 cm-1 indicates the presence of Carbonyl functional group.

Q: 1.6 A potassium permanganate solution with a concentration of 0.2834x10-5 exhibits a transmittance…

A: Beer's law states that the absorbance is directly proportional to the concentration of the absorbing…

Q: b- 0.46 M c- 0.52 M 3) A 3..23 g sample of impure lead nitrate was analyzed by gravimetric analysis…

A:

Q: 11:24 ← 0.0 all 35% Question 7 of 13 Submit Draw the major products of this alkene with aqueous…

A: Orgaic reaction are those in which organic reactant react to form organic products. In the given…

Q: SiO₂ (s) + 2 C(s) → SIC(s) + CO(g) If 100.0 kg of sand reacts with 100.0 kg of C, and 55.0 kg of SiC…

A:

Q: Use the solubility generalizations on the information page to predict if one or more precipitates…

A: Here, we have to find the formula of the precipitate (if precipitate forms) when aqueous solutions…

Q: H3PO4(aq) + 3 NaOH(aq) → 3 H₂O(l) + Na3PO4(aq) How, much water is produced when 0.0320 g of…

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: Consider the following reaction: 2 CH3OH(g)  →  2 CH4(g)  +  O2(g)      ΔH = +252.8 kJ Is this…

A: Given -> 2CH3OH(g) ---> 2CH4(g) + O2(g) ∆H= +252.8 KJ ------(1) Weight of CH3OH = 24.0 gm

Q: Calculate either [H3O+] or [OH−] for each of the solutions at 25 °C. Solution A: [OH−]=1.95×10−7 M;…

A:

Q: Use the observations about each chemical reaction in the table below to decide the sign (positive or…

A: The sign of enthalpy change for an endothermic reaction is positive and that for an exothermic…

Q: Calculate the pH of 0.00756 M HNO3

A: pH Scale: It is common to express the level of acidity of a solution using the pH scale. Most…

Q: Use the observation in the first column to answer the question in the second column. oft observation…

A: Well, The amount of energy required for a substance to go into the vapor phase from the liquid phase…

Q: QUESTION 1 What is the radioactive particle released in the following nuclear equation? 90 38 Sr- →…

A: Nuclear reaction: A nuclear reaction must cause a transformation of at least one nuclide to another.…

Q: An analytical chemist is titrating 129.5 mL of a 0.2500M solution of nitrous acid (HNO₂) with a…

A: Well, we will first calculate the millimoles of both acid and base to determine the excess reagent.…

Q: a) 0.01547 1) For the following sets of data 0.1065, 0,1991, 0.1016, and 0.1018. The Standard…

A: Error in chemistry is defined as the difference between the true result and the measured result. In…

Q: A molecular material has two non-degenerate energy states, a ground (ground) state and an excited…

A: This is a simple problem of Boltzmann distribution where distribution of particle between two states…

Q: Please explain how to make a net ionic equation for a reaction between HCl and a generic buffer, and…

A: A buffer solution resists the pH change upon addition of a small amount of acid or base .There are…

Q: cis-1,2-dimethylcyclopentane and trans-1,3-dimethylcyclopentane are geometric isomer (circle one) to…

A: We know in order to be isomers, their molecular formula must be the same. There are various types of…

Q: Question 4: Draw the products of each reaction. a. b. CH3 Xo CI [1] LIAIH4 [2] H₂O [1] LIAIH4 [2]…

A: Lithium alluminium hydride (LialH4 ) is a good reducing agent and used for the reduction of esters,…

Q: Br CH3 CH3 K**OtBu

A: Potassium tert - butoxide is a strong and bulky base .It will abstract bita hydrogen from less…

Q: sample of an ideal gas has a volume of 3.70 L at 11.40⁢ ∘C and 1.70 atm. What is the volume of the…

A:

Q: Given: 2H+(aq) + 2e– → H2(g); 0.00 V Rb+(aq) + e– → Rb(s); –2.98 V F2(g) + 2e– → 2F–(aq); 2.87 V…

A: 2H+(aq) + 2e– → H2(g);   0.00 VRb+(aq) + e– → Rb(s);.   –2.98 VF2(g) + 2e– → 2F–(aq);    2.87…

Q: H2S (g) can be generated by the following reaction: 2 HCl(aq) + FeS(s) → FeCl2(aq) + H2S(g) What…

A:

Q: Nitrous acid has a Ka of 4.5x10-4. ▼ Part A What is the pH of a buffer solution containing 0.12 M…

A:

Q: chemist makes 0.250 L of zinc oxalate (ZnC2O4) working solution by adding distilled water to 0.100 L…

A: M1 x V1 = M2 x V2 Where, M1 = Initial concentration; V1 = Initial volume; M2 =  Final concentration…

Q: 22) What is the 'proximity' effect in catalysis? 23) What is the 'orientation' effect in catalysis?…

A: A question based on catalysis. Three definitions and two descriptions are being requested that are…

Q: Give the iupac name

A: The structure of the given compound is  The IUPAC name of the compound is

Q: (d) (e) ∙C=C-H HBr (1 equivalent) HC1 (1 equivalent)

A:

Q: 3. Kinetics study on the decomposition of phosphine at 950 K was done by injecting PH3 gas into a…

A: A question based on kinetics of chemical reaction. A set of data for variation of total pressure…

Q: Do both ionic solutes and polar solutes change osmolarity of a solution, or can non-polar solutes…

A: Osmolarity is the concentration that is usually expressed in terms of number of solute particles in…

Q: A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 2Cr3+ (aq) +…

A: We have to find standard electrode potential  Eocell = Eocathode - Eoanode

Q: A metal cube dissolves in acid such that an edge of the cube decreases by 0.60 ​mm/min. How fast is…

A: Edge of cube = 7.70 mm an edge of the cube decreases by 0.60 ​mm/min

Q: Draw the starting structure that would lead to these enantiomeric products under these conditions.…

A:

Q: 3. A few mls of an insoluble liquid is added to water. The density of the insoluble liqui- 1.8 g/L.…

A: Solid has fixed mass , shape and volume whereas liquid has fixed volume not shape .

Q: What is the relationship between the following pair of molec O Stereoisomers Conformational isomers…

A: Stereoisomers :-  The two isomers which are differ from each other by its orientation of connection…

Q: Molecule or ion H₂O₂ HCN N₂0 Hybridization Hybrid Orbital Filling #o #л Sigma Bond Drawing Pi Bond…

A: Since you have posted a question with multiple sub parts, we willprovide the solution only to the…

Q: At a unspecified temperature we place 0.940 mol of pure SO3 is placed in a evacuated 1.00-L…

A:

Q: If [OH- ] is 2.45 x 10-10 M, what is [H3 O+ ]?

A:

Q: I kefore unsaturated alpha beta) I

A: Here in the following given compound  we have  to indicate alpha and beta carbon atoms and to give…

Q: Use your knowledge of fragmentation to predict the most stable peak, M, for the resulting mass…

A: During electronic bombardment the most loosely electron is knocked out to produce M+ ion whhich…

Q: Write in Kröger-Vink notation the formation of Schottky-type and Frenkel-type defects in: a) Cu2O…

A: Check the defects first

Q: к' OH 1. BH3 2. 2. NaOH KHSO4 heat PBr3 - Br

A: The different sets of reagents will lead to the formation of the different type of products.…

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for