Q: 3. A student carried out the synthesis of aspirin as described using 3.00 g of salicylic acid and…
A: #3: Mass of salicylic acid (MW = 138.12 g/mol) used = 3.00 g Volume of acetic anhydride used, V =…
Q: С. 1. NaOEt ELOH OEt 2. aq H*
A:
Q: (4.2, Similar to For Practice 4.2) Write balanced equation for the combustion of hexane (C6H14) in…
A:
Q: (5.7: Similar to For Practice 5.8)What is the net ionic equation for the following reaction?…
A: The ionic species which are in aqueous medium will dissociates into its ionic form. The solid and…
Q: 2. Determine the mass of solute in milligrams is contained in (a) 50.0 mL of 0.250 M sucrose (b)…
A:
Q: 1.3.How many moles of gas would be produced if 5.00g of sodium bicarbonate reacted completely with…
A:
Q: Precipitate vering precious metal tons from waste water. For ex- ple, silver ion (Ag*) can be…
A: We hsve to find the volume of NaCl to precipitate AgCl and calculate its theoretical yield
Q: (4.4: Similar to For Practice 4.7) When 7.40 g SiO2 and 6.50 g C were allowed to react according to…
A:
Q: o AgNO:(aq) + KBr(aq)→AgBr(s)+ KNO:(aq) a. Which reactant is limiting? Which reactant is in excess?…
A: The reaction taking place is given as, => AgNO3 (aq) + KBr (aq) → AgBr (s) + KNO3 (aq) Given:…
Q: Complete, balance, and write the Q expressions: _C3H8(g) + _O2(g) _CO2(g) + _H2O(g)…
A:
Q: A 5.276 g sample of Al-Mg alloy is digested in nitric acid (to Al*3 and Mg*²). The solution is…
A: Given: Mass of sample = 5.276 g The solution is diluted = 500 mL three 100 mL of solution titrated…
Q: Complete the following reaction
A: Ester can be reduced into secondary alcohol by the reaction with Grignard reagent or alkyl lithium.
Q: 4.75 Describe the basic steps involved in gravimetricanalysis. How does this procedure help us…
A: Gravimetric analysis: It is an analytical process for determining amount of substance through the…
Q: Calculate the Molarity: (a.) 79 g of CuSO4 · 5H2O in 3.8 L of solution (b) 2.91 mol of CaCl2 in…
A: Molarity is defined as the number of moles of solute dissolved per liter of the solution. So,…
Q: 1.2. If you have 50.0 mL of 0.456 M Mgl2 solution, what is the concentration of iodide ions in the…
A: Given, Concentration of MgI2 solution = 0.456 M = 0.456 mol/L Volume of the solution = 50.0 mL =…
Q: Balance and name the equations:
A: A chemical reaction follows the law of conservation of mass. According to the law of conservation of…
Q: Write a balanced chemical equation based on the following description: butanoic acid, C,H,COOH(I)…
A: Given: Combustion reaction of C3H7COOH (l).
Q: Sodium hydrogen carbonate (NaHCO,), also known as sodium bicarbonate or "baking soda", can be used…
A:
Q: When the following net ionic equation is properly balanced, what are the coefficients for Cu, NO3–,…
A:
Q: Epsom salts is a hydrated ionic compound with the following formula: MgSO, - x H,0. A 4.93-g sample…
A:
Q: Nitrous oxide (N₂O) is called "laughing gas". It can be prepared by the thermal decomposition of…
A: Thermal decomposition is a process in which a substance breaks down into smaller particles using…
Q: Calculate the number of water, X, of crystalization in an unknown sample, having a molar mass of…
A: Some ionic compound (salt) contains a water molecule in their crystal lattice structure. The water…
Q: 1. Identify the oxidation state of each element in the following: a) Na,SO, b) MnO4“ c) KCIO3 d)…
A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…
Q: 6. (a) Provide green alternative to the following reactions : o' QH CHO NACN,- EtOH/H20 (i). (Safer…
A: A question based on green chemistry that is to be accomplished.
Q: Sodun thosutee NaS0 the major component in photographie fer solon reacts wth sver tromide to…
A: Given reaction is : AgBr (s) + 2Na2S2O3 (aq) --------> Na3Ag(S2O3)2 (aq) + NaBr (aq) Part.A :-…
Q: a chemical substance with the flavor of cloves, consists or /3.1970 C, 19.49% O, and 7.37% H. What…
A: Molecular weight of eugenol = 164.2 g/mol Number of moles of C = mass / molar mass…
Q: The oxidation state of C in CO32- is ...
A:
Q: 4.49 Nitric acid is a strong oxidizing agent. State which ofthe following species is least likely to…
A: Let us calculate the oxidation number of each compound, We know that the oxidation number of oxygen…
Q: (1 pts) Fill in the blanks by writing the name of the definition: reactions occur when certain…
A: The chemical reaction in which a white coloured substance that is insoluble in water(precipitate) is…
Q: The coefficients needed to balance the following equation is: …. Cu + …HNO3 → …Cu(NO3)2 + …NO +…
A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…
Q: 2. Percentage Composition a. % of water in Iron (III) phosphate tetrahydrate b. % of hydroxide ions…
A: A). Molecular weight of FePO4 .4H2O = 222.88 g/mol Molecular weight of four moles H2O = 4×18.015 =…
Q: Determine the molarity of each of the following solutions: (a) 1.457 mol KCl in 1.500 L of solution…
A: Molarity= moles of solute/volume of solution(in litres). a) Molarity of KCl solution= moles of Kcl /…
Q: 5:02 Question 6 of 12 Submit Which of the following is an extensive property of the element carbon?…
A: Extensive properties are physical properties that does not depend on the amount of matter, i.e.…
Q: QUESTION 4 What is WRONG with the following statements? Do NOT correct the mistake. wrong. (a) The…
A: Answer for the given question is given in next step:
Q: A possible practical way to eliminate oxides of nitrogen (such as NO2) from automobile exhaust gases…
A: C3N3(OH)3→3HCNOUnbalanced equation,C3N3(OH)3+NO2→N2+CO2+H2O
Q: 7. Calculate the amount of energy needed to convert 200. g of water at 25.0°C to steam at 150.0°C.…
A: Given mass of water = 200 g Temperatures = 25°C and 150°C
Q: Q3: A: What mass of AgNO3 is needed to convert 3.46g of NażCO3 to Ag2CO3, and calculate the mass of…
A: A. 1 mole of sodium carbonate reacts with 2 moles of silver nitrate 105.98 g of sodium…
Q: 8 2 AgNO3(aq)+ Naz C03 (699) -> 2NqN03(aq) + Agz ((03) (5) www word: NONS arwede ton 20GI taw:…
A:
Q: Determine the oxidation number of phosphorus in PH3.
A: Oxidation number of an atom in the compound can be determined by assigning proper charge to the…
Q: 5.101.) The X-15 and Mach 6 On November 9, 1961, the Bell X-15 test aircraft exceeded Mach 6, or six…
A: In X-15 aircraft, the fuel is provided by the combustion reaction of ammonia, NH3, and oxygen, O2.It…
Q: Sodium hydrogen carbonate (NaHCO,), also known as sodium bicarbonate or "baking soda", can be used…
A: Given, HCl(aq) + NaHCO3(aq) ➝ NaCl(aq) + H2O(l) + CO2(g) Mass of NaHCO3 would needed to injust to…
Q: Balance each of the following reactions, and identify the type of reaction: Unbalanced Equation Be…
A: Balanced reaction and type of reaction A) 2Al + Fe2O3 → Al2O3 + 2Fe Explanation - In this reaction…
Q: Determine the molarity of each of the ions present in the following aqueous salt solutions: [assune…
A: Given molarity of CuBr2 solution is 6.29 M. The CuBr2 solution dissociates into ions as shown below,…
Q: 2.7 Assume household vinegar contains 5.00% acetic acid by weight and that the density of vinegar is…
A: CH3COOH + NaHCO3→CH3COONa+ H2O + CO2 % w/w concentration = [mass of solute/mass of solvent] x 100
Q: 4.84. Aluminum chloride (AICI3) is used as a catalyst in the production of polyisobutylene, which is…
A: Given, Mass of Aluminium (Al) metal reacts = 2.70 g Mass of chlorine (Cl2) gas reacts = 7.10 g…
Q: Choose the reaction that does NOT involve a change in oxidation state. A. 2 Na(s) + Cl₂(g) --> 2…
A: Increase in oxidation number is called oxidation. Decrease in Oxidation number is called reduction.
Q: 3.57 Write a balanced equation for the following gas phase reaction (carbon is black, hydrogen is…
A: Given carbon is black hydrogen is light blue and fluorine is green
Q: Write the balanced NET ionic equation for the reaction when aqueous CS:PO4 and aqueous AgNOs are…
A: We have the equation as Cs3PO4 (aq) + AgNO3 (aq) →Ag3PO4 (s)+ CsNO3 (aq)
Q: = whether each chemical reaction in the table below is an oxidation-reduction ("red reducing agent…
A:
Step by step
Solved in 2 steps with 2 images
- 4. (4 pts) The first modern synthetic pigment, Prussian blue, is also known as ferric ferrocyanide with the chemical formula Fe [Fe(CN)6]3. Calculate the molar mass of Prussian blue and the %Fe in the compound.(4.3: Similar to For Practice 4.4) Calcium reacts with oxygen to form calcium oxide: 2Ca(s) + O2(g) --> 2Cao(s) How many grams of oxygen gas are needed to react completely with 12.9 g Ca? O 10.3 g 18.0 g O 5.15 g O 2.57 g8.8
- 20. After the successful lip tint sales of Sakura's self-produced cosmetic brand Cran by Molak, she decided to start on her eye glimmer palettes. Bismuth oxychloride is used in makeup to give a lustrous pearly effect and can be obtained through the reaction of bismuth chloride with water in the following hydrolysis reaction. a) Determine the grams of reagent in excess if 3.19 moles BiCl3 reacted with 0.980 moles water. b) What is the nercent yield BIOCI if 198 g bismuth oxychloride were obtained from the reaction? BİCI3 + H20 BIOCI + HCIAccording to the following reaction: 6HCI (aq) - Fe>O3 (3) → 3H;O (1) + 2F€C13 (aq) What would you multiply "moles of hydrochlorice acid" by to couvert to the units "moles of iron(II chloride" ? (number) (unit) moles HCI - moles FeCly (number) (unit) Submit Answer Retry Entire Group 8 more group attempts remainingEX- An ore is analyzed for the manganese content by convening the manganese to Mn304 and weighing it. If a 1.52g sample yields Mn304 weighing 0.126 g, what would be the percent Mn₂O3 in the sample? The percent Mn?
- 8. A. Balance the following equations: i. a. S (s) + O2……………….> SO2(g) b. H2O2 (aq) + H2S (aq)……………..> H2O(l) + S (s) c. NaBr(aq) + Cl(aq) + NaCl(aq) Br (aq) d. A(s) + O2(g) ………………..> Al2O3 e. CH4 (g) + O2 (g) …………..> CO2(g) + H20 (l) ii. Identify the Oxidizing and reducing agents in the following equation: a. 2Cu (s) + O2(g) …………> 2CuO b. Cl(aq) + 2KI(aq)(2) 8. Write the balanced equation for the neutralization reaction between HI and Ba(OH)2 in aqueous solution. Include phases (physical states) in your equation. Use the arrow, not "=".The great French chemist Antoine Lavoisier discovered the law of conservation of mass in part by doing a famous experiment in 1775. In this experiment they found that mercury(II) oxide, when heated, decompose into liquid mercury and an invisible and previously unknown substance: oxygen gas. A. Write a balanced chemical equation, including physical state symbols, for the decomposition of solid mercury (II) oxide (HgO) into liquid mercury and gaseous dioxygen. B. Suppose 72 mL of dioxygen gas are produced by this reaction, at a temperature of 120°C and pressure of exactly 1 atm. Calculate the mass of mercury (II) oxide that must have reacted in grams. Round your answer to three significant digits.
- (3). Write a balanced chemical equation for each of the following reactions: a. Iron + oxygen gas ------- iron (III) oxide b. Sulfuric acid + aluminum hydroxide ---------- aluminum sulfate + water c. Silver nitrate + barium chloride -------- silver chloride + barium nitrate d. Copper (I) sulfide + oxygen gas ------- copper + sulfur dioxideAnswer question 22. Complete: ~ SH