Q: Write a net ionic equation for the reaction that occurs when excess hydroiodic acid and calcium carb...
A: Given that, Excess of hydrochloric acid and calcium carbonate (s) are combined We need to write net...
Q: In an experiment designed to produce calcium oxide by the chemical reaction: 2Ca + O2 → 2CaO 104....
A: Given reaction is, 2Ca + O2 → 2CaO Also Given is, 104.5 g of CaO was obtained out of a possible 299...
Q: How many atoms of Zinc are there in 0.750 moles zinc?
A: 1.0 mole of zinc contains Avagadro number (6.023*1023) of atoms of zinc Therefore, 0.750 moles of zi...
Q: 1. The atomic number of lithium is 3. How many neutrons does an atom of lithium have if it is repres...
A: Element is represented by symbol AX Where A = mass number
Q: What does it mean to have a negative value for the concentration of a reactant?
A: Normally we know that, with the increase of time the concentration of reactant decrease and the conc...
Q: What ylide and carbonyl compound would you need to synthesize the alkene shown?
A: Aldehyde and ketone react with the triphenylphosphonium ylide to form an akene, known as the Witting...
Q: 5. Let's say naphthoic acid was isolated by vacuum filtration from our procedure explained in the sl...
A: Both methods are useful for removing moisture. Vaccum drying is most effective and gentle drying met...
Q: 23.0 g of NaOH is added to 0.600 L of 1.00 M Mn(NO₃)₂, how many grams of Mn(OH)₂ will be formed in t...
A: 1- Moles of NaOH = ( mass / molar mass) Moles of NaOH = ( 23.0g / 40gmol-1 ) Moles of NaOH = 0.575...
Q: 1. Determine the mass in grams of Lead(II) lodide th
A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...
Q: An aqueous solution of hydrochloric acid is standardized by titration with a 0.176 M solution of cal...
A: Consider the neutralization reaction of hydrochloric acid and calcium hydroxide is as follows; 2 HCl...
Q: Determine formal charge of each labeled atom in the following structure:
A: Formal charge (F.C.) = No. of valence shell electrons of considering atom - No. of covalent bonds fo...
Q: A 9.30 L container holds a mixture of two gases at 23 °C. The partial pressures of gas A and gas B, ...
A: Dalton's Law of partial pressures :- It states that, the total pressure of a mixture of non reacting...
Q: What is the difference between Uranium 235 and Uranium 238?
A:
Q: Identify the type of bond(s) formed from the interaction of the orbitals shown below. A) sigma (0) b...
A: The given figure involves the mixing of p-orbitals. Let us consider the mixing of p-orbitals in diff...
Q: h) ? (name, str, stereochem) -----cold dilute KMNO4---- (+) erythro pentane 2,3 diol H- H FOH CHCH, ...
A: During conversion of alkene to 1,2-diol using KMnO4 both the OH groups are added from the same face ...
Q: A) A = 1 sigma bond and 1 pi bond; B = sigma bond A B) A = 2 sigma bonds; B = sigma bond H. C) A = 2...
A:
Q: Part 1. Express your answer as an isotope. Part 2. Express your answer as an isotope.
A:
Q: Draw the structures for the following compounds 1. 1-ethyl-4-methylcyclohexane 2. cyclobutylcyclooct...
A:
Q: A sample of gas is contained in a tube under a mercury plug. cool A В The gas sample has a volume of...
A:
Q: 3-18.) Given the structures of the naturally occurring aldoses, list at least three examples of the ...
A: Diastereomers are isomers that differs in configuration at one or more chiral center. Epimers are i...
Q: Estimate the bond angles for a cycloundecane
A: Cycloundecane have 11 carbon atoms and hence the structure is a polygon with 11 sides. The chemical...
Q: 18. Carefully draw the structure of the tetrahedral intermediate in the mechanism of the reaction of...
A: Acetyl chloride shows an nucleophilic addition. Due to presence of polar carbonyl group make carbony...
Q: 2.1 Calculate the pH of 1.0 M HC2H3O2 solution, using Ka = 1.7 × 10-5 . Begin this calculation by d...
A: #Q.2.1: Given the concentration of HC2H3O2 solution = 1.0 M Equation for the dissociation of HC2H3O2...
Q: An aqueous solution of Pb(NO,), and KI are mixed together. Suppose KI is the limiting reagent. Pb(NO...
A: Limiting Reagent : Limiting reagents are the reactants which is consumed completely during a chemica...
Q: Explain the basic principle of the reaction between the amino acid histidine and the ninhydrin reage...
A:
Q: :0: (а) I or II :ö:0 (b) CH3 II CH3 or (с) CH2 CH2 II or
A: Resonance structure are the structure of a molecule which are obtained by conjugation of π electrons...
Q: Determine the hybridization and the approximate bond angle of the labeled atom in the following mole...
A: Hybridization = sigma bonds + lone pairs = 4 = sp3. Hybridization = 5 = sp3d. Hybridization = 3 = sp...
Q: Which of the following compounds is the least reactive in electrophilic aromatic substitution?
A:
Q: What is the limiting reactant when 1.50 g of lithium and 1.50 g of nitrogen combine to form lithium ...
A:
Q: Use the van der Waals equation of state to calculate the pressure of 3.70 mol of SO, at 499K in a 3....
A: Given : Moles of gas SO2 = n = 3.70 mol Temperature = T = 499 K Volume of vessel = V = 3.50 L We ...
Q: Ifosfamide is a pharmaceutical used in the treatment of testicular cancer. Identify the number of si...
A:
Q: Describe what happens to the shape about the carbon atoms when a C=C triple bond undergoes an additi...
A: When carbon carbon triple bond changes to carbon carbon single bond, addition reaction occurs.
Q: Lisa, a librarian at the Knights of Favonius, is also a great potion maker. She wants to create a po...
A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for y...
Q: Metoprolol is a beta blocker used to treat high blood pressure. Identify the number of double bonds ...
A: From the structure we fine , there are three double bond in this compound.
Q: Lisa, a librarian at the Knights of Favonius, is also a great potion maker. She wants to create a po...
A: When two solutions of potassium dichromate, K2Cr2O7 are added, both the moles and volumes are added ...
Q: Does a reaction occur when aqueous solutions of potassium phosphate and sodium sulfide are combined?...
A: When the products are highly soluble in water then reaction cam not be possible in aqueous medium.
Q: I need help finding the %Composition for %cychohexane and %toluene. The formula (area of peak/total ...
A: To determine: % composition for Cyclohexane and toluene
Q: NH2 Br ОН HS CI Draw the stereoisomer where all the chiral centers have the R configuration. OF
A: Chiral center is carbon having four different groups attached.
Q: For each of the following reactions, draw the skeletal structure(s) of the most stable conformer for...
A: A question based on organic chemistry, which is to be accomplished.
Q: Stan believes the product made is the imine B, whereas Kyle believes the aminal C was synthesized in...
A:
Q: Consider a sample of gas that contains 325 moles of smokestack gas. How many molecules of SO2 are c...
A:
Q: A sample of an ideal gas has a volume of 2.31 L at 279 K and 1.07 atm. Calculate the pressure when t...
A: Here use the formula:According to ideal gas equation = P1V1T1 = P2V2T2
Q: For each of the following reactions, draw the skeletal structure(s) of the most stable conformer for...
A: Reaction a) In these reaction KMnO4 react with trans alkene to form racemic mixture .
Q: If 6.7 × 10²⁵ molecules of CO₂ are produced in a combustion reaction, what is the mass in kg of CO₂ ...
A: Given: The number of molecules of CO₂=6.7 × 10²⁵ molecules The moles of CO₂=(6.7 × 10²⁵ )÷ (6.022 x ...
Q: IV. Complete each equation by writing the formulas of the organic products in the appropriate spaces...
A:
Q: why do we have to order samples (from least concentrated -most concentrated) when measuring the Cond...
A: A question based on qualitative analysis, which is to be accomplished.
Q: How many milliliters of 0.475 M KOH solution are needed to completely neutralize 38.0 mL of 0.231 M ...
A:
Q: Select the statements that are TRUE regarding Hydrocarbons. SELECT ALL THAT APPLY A. Hydrocarbon...
A: Hydrocarbon is a class of organic compounds and it contains only carbon and hydrogen
Q: what are the crystal structures of K2PtCl6, [Ni(H2O)6], [SiF6], CsCN
A: To determine the crystal structures of: 1) K2PtCl6, 2) [Ni(H2O)6] [SiF6], 3) CsCN
Q: The following four reactions will be the focus of the upcoming chapters (substitution and eliminatio...
A:
Step by step
Solved in 2 steps with 2 images
- Aleks data for AgBrO3 is 5.38 x 10^-5Which of the following is a spontaneous reaction.? a. Rxn with ΔH =- 10Kj/mol ΔS= -5J/mol T= 300K b. NaCl +H20 -> NaOH + HCl 25C c. H20(l) -> H2O(s) Temp: 25C d. Dissolution of 100g of solid sugar in 100 mL ice tea. Consider following reaction: HgO (s) -> Hg(l) + ½ O2 (g) Delta H = +90.7 kj/mol. What quantity of heat in kj/mol is required to produce one mole HgO? Write your answer without units. Given the following data 2ClF(g) + O2(g) --> Cl2O(g) + F2O (g) Delta H= 167.4 kJ I 2ClF3(g) + 2O2(g) --> Cl2O(g) + 3F2 O (g) Delta H= 341.4 kJ II 2 F2(g) + O2(g) ---> 2F2O (g) Delta H= -43.4 kJ III Calculate the delta H in kJ for below reaction: ClF(g) + F2(g) ---> ClF3(g)Ksp for Co(OH)2 is 5.92x10^-15
- One litre of a saturated aqueous solution of Ag2SO4 (MW = 311.79 g mol- 1) at 25 °C is evaporated to dryness. 4.844 g of Ag2SO4 residue was produced. What is the solubility product (Ksp)?An impure sample of Na3PO3 weighing 0.1 g is dissolved in 35 mL of water. A solution containing 45 mL of 3% w/v HgCl2, 30 mL of 10% w/v sodium acetate, and 10 mL of glacial acetic acid is then prepared. After digesting, filtering, and rinsing the precipitate, 0.2857 g of Hg2Cl2 is obtained. Report the purity of the original sample as % w/w Na3PO3.EXPLAIN ME LIKE I M 5. PLEASE IN DETAIL WITH HANDWRITTEN
- What is ΔSsurr for a reaction at 28.6 °C with ΔHsys = 38.9 kJ mol-1 ? Express your answer in J mol-1 K-1 to at least two significant figures.Mass of crude Acetanilide = 0.508 Mass of filter paper = 0.800g Filter paper + pure Acetanilide = 1.153g Mass of pure Acetanilide = ? % recovery = ? Mpt of recrystallized Acetanilide =112 C – 114 C Mpt of crude Acetanilide = 97 C – 110 CSolution for 0.105g of the K3[Fe(C2O4)3] (MW= 437.2 g/ mol) were dissolved in sulfuric acid and got rated with 9 mL of 0.028M KMn04. What is the experimental weight percent of oxalate in the sample?
- 1. Which of the following compounds can form hydrogen bonds with water?a. octaneb. HClc. NaCld. acetic acid2. Maria wants to determine the percent water content of an unknown hydrate of AB. Given the following data:mass of empty crucible - 12. 2784gmass of AB · xH20 + crucible - 17.4960gmass of AB + crucible - 15.1314gCalculate the % water content of the hydrate3. From the above data, give the correct formula for the hydrate. (AB₂ Molar mass = 129.84 g/mol)a. Give the molar concentration of hydrochloric acid with a specific gravity of 1.18 andhas 37% (w/w) purity. MW=36.5 b. How would you prepare 1.2 L of 0.40 M hydrochloric acid starting from a 2.0 M solution?v?