Problem A solution is prepared by dissolving 5.00 g of potassium sulfate (K2SO4) in 100 mL of water. The van't Hoff factor for K2SO4 is 3. The experimenter decided to dilute the solution with another 100 mL of water. 1) What two particles will potassium sulfate dissociate into? *

Q: Mass of DRY Filter Paper and Precipitate (day 2) Mass of Calcium Carbonate (Precipitate, day 2)…

A: For trial 1 Mass of dry filter paper = 0.56g Mass of dry filter paper + precipitate = 1.17g Mass of…

Q: Provide a series of synthetic steps by which p-nitrophenol can be prepared from benzene.

A: step 1: nitration step-2: nitro group reduction step-3: dizotization. step-4: diazo group to alcohol…

Q: For the reaction below, Kc = 0.60 at 550 K. The reaction starts with a 0.050 M concentration of…

A: Given :  Kc = 0.60  Initial Concentration of A2B2 = 0.050 M  Temperature = 550 K

Q: Give typed full explanation not a single word of hand written What is the atomic symbol of an atom…

A: We have been asked the atomic symbol of an atom that has 2 more electrons and 2 more protons than…

Q: Part 2 of 3 CO,–CH,–CH,–CH,—CH,

A: IUPAC nomenclature used to give systematic names to the organic compounds. According to IUPAC…

Q: 2H2O(l)→2H2(g)+O2(g) What mass of H2O is required to form 1.2 L of O2 at a temperature of 335 K and…

A:

Q: What is the molarity of a solution that contains 0.160 moles KOH in 0.350 L of solution?

A:

Q: Consider the following reaction. Which side is favored in equilibrium? 0= Selected answer will be…

A: The question is based on the concept of equilibrium and acidity. we need to predict the position of…

Q: The lattice structure of CsCl is shown below. What is the contribution of each Cst to the formula…

A: In a simple cubic lattice, there is one lattice point at each corner of the unit cell and no points…

Q: 8.17) What is the acid form of NH3? Như NH3 + H - NHu = Proton Acid is NH3-base Sa a proton (Ht)…

A: Answer :

Q: QUESTION 2 Calculate the AG in kJ of the following reaction under standard conditions: 2AI + Fe2O3…

A:

Q: C²H+H $ двина I O С CH3

A: Answer :

Q: Identify the following substance as aromatic, anti-aromatic, or non-aromatic. N -N CH3 A) aromatic…

A:

Q: What is the pH in the titration of 15.0 mL of 0.40 M acetic acid (CH3COOH, Ka = 1.8 x 10-5) with…

A: Given 15.0 mL of 0.40 M acetic acid CH3COOH, Ka = 1.8 x 10-5 25.0 mL of 0.45 M NaOH

Q: ) An aldopentose, X, is subjected to a Kiliani-Fischer synthesis to produce two aldohexoses, Y and…

A:

Q: (a) (b) Which of the reactions shown would provide the best preparation of this compound? OCH, CH₂…

A: Diels-Alder reaction involves 4+2 pi-electron system under thermal conditions. cis-diene and…

Q: Draw the structural formula of the product of the reaction shown below. + H₂O Na OH -O-CH3 + HI

A: Ethers on reaction with Hydrogen halides give alcohols and alkyl halide. In case of 1° or 2° alkyl…

Q: Calculate the pH of a 0.021 M CN - (aq) solution. [Ka(HCN) = 4.9 × 10-10]

A: Answer :

Q: Complete and balance the following redox reaction in acidic solution. Be sure to include the proper…

A: Rules for balancing equation in acidic medium ;  1) write the given equation in two halves . And…

Q: 8.28) The general form of a chemical equation for an acid reacting with water to produce its base…

A:

Q: The original concentration of a solution is 200 mg/dL. The solution was diluted 1:5. Then one part…

A: Solution- To calculate the final concentration, we can use the formula: Final concentration =…

Q: Draw the major product of this reaction. Ignore inorganic byproducts.

A: R2CuLi is called as a gilman reagent where Cu is a soft metal and hence, the nucleophile R- attacks…

Q: 4. When 53 mL of 0.75 M cobalt (III) nitrate are added to a sodium sulfate solution, how many grams…

A:

Q: Calculate the pH 6.3x10^-10 M NaOH

A:

Q: don't understand where the H goes for the first product. I'm not sure exactly what the question is…

A: Pyrrole is 5 membered heterocyclic compound. It is aromatic because it has 6 pi electrons.

Q: Write the formula of the conjugate acid of CH3CO₂.

A: A conjugate acid is a species that is formed when a base accepts a proton (H+ ion). In the case of…

Q: • How many hydrogen bonds can the molecules shown make with water molecules? Draw them. a.…

A: The question is based on the concepts of hydrogen bonding. we need to identify the number of…

Q: Pb(NO3)2, PbCO3, PbCrO4, PbS, PbSO4  Rank increasing solubility, 1 being the lowest,5 being the…

A: Solution- The solubility of the given compounds can be ranked in the following order, from lowest to…

Q: Question 2 of 20 What is the mass % of ethanol in a 1.82 M solution of ethanol (MM = 46.07 g/mol) in…

A: Given, Concentration of ethanol solution = 1.82 M = 1.82 mol/L Molar mass of ethanol = 46.07 g/mol…

Q: 200 mL of 2% acetic acid is needed. How many mL of 5% acetic acid is required to make the 2%…

A:

Q: 2. Potassium chlorate decomposes to produce potassium chloride and oxygen. If 1.50g of potassium…

A:

Q: You weigh out 80g of NaOH pellets and dilute to 1 liter. MW = 40 g/mol. What is the normality of the…

A:

Q: How does the study of organic chemistry contribute to advances in medicine, materials science, and…

A: The study of organic chemistry plays a critical role in advancing various fields, including…

Q: 5. б CH3 О ..... H ☺ Et MgBe ? 2 HT, HZO

A:

Q: 11:20 1 4 7 +/- Question 5 of 22 What is the pH of a 6.5 x 10-6 M KOH solution? 2 5 8 3 6 9 O Submit…

A:

Q: What are the differences between a simple distillation and steam distillation?

A: Answer: Distillation is a separation technique in which one of the components of mixture is being…

Q: 6:15 1 An unknown weak acid with a concentration of 0.074 M has a pH of 1.80. What is the Ka of the…

A: Given pH = 1.80 Concentration = 0.074 M

Q: 9. Calculate the pH of the solution that results from each mixture. a. 50.0 mL of 0.15 M HCHO₂ with…

A: Answer :

Q: O Macmillan Learning At a certain temperature and pressure, I L. of CO, gas weighs 1.15 g. What is…

A:

Q: Suppose a 500. mL flask is filled with 2.0 mol of H₂ and 1.1 mol of HI. The following reaction…

A:

Q: 7. Convert 120 mg/dL of glucose to Sl unit (mmol/L). MW of glucose = 180.06

A:

Q: The formation constant of a complex ion [M(NH3)4]²+ (aq) is 4.7E8. If a solution is prepared by…

A: The chemical reaction representing the formation of the complex is  M2+(aq) + 4NH3(aq) ⇔[M(NH3)4]2+…

Q: 7. What do the symbols of s, I, g, and aq stand for in a chemical equation?

A: Since you have asked multiple questions, according to guidelines I will answer the first one for…

Q: Write the formula of the conjugate acid of HCO₂.

A: Given base ;  HCO2-  conjugate acid of a base ; when a base accepts one H+ ion from an aqueous…

Q: H H H H S ZIH О H Н I- H I Н H н H-S н +0-I HIN I І Н I Т

A: Acidity is defined as the ability of a molecule to release protons.  if a compound  easily donate…

Q: Draw the principal organic product for the following reaction. Br 1. Mg, THF ů 2. HCH 3. H₂0+ edit…

A: The given reaction is an example of formation of grignard reagent. Followed by its addition to the…

Q: 2. Calculate the enthalpy change of the reaction that produces carbon monoxide by treating CO2 (g)…

A:

Q: Hydrogen peroxide decomposes in the reaction in activity 2. Answer the following question about the…

A: Given,  The balanced decomposition reaction of H2O2 (l) is:

Q: calculate vapour pressurwe of water (mmHg) when temperature is 24.6°C and height of water 14.57mm

A: To calculate the vapor pressure of water at a given temperature and height, the Antoine equation can…

Q: 3.7. What is the efficiency of an engine whose Thigh is 100°C and whose Tlow is 0°C?

A: The efficiency of a heat engine working between two different temperatures is given by η=1-(TLTH)…