Convert grams of Fe2O3 to grams of Fe.  Select the correct units and conversion factors for each step in the following unit roadmap.

Q: what is the heat combustion of C2H5OH at 25C?

A: Burning of ethanol When we burn – or combust – ethanol (C2H5OH) in air (which contains oxygen, O2), ...

Q: How many grams of PbBr2 will precipitate when excess NH4Br solution is added to 66.0 mL of 0.601 M P...

A: Pb(NO₃)₂ + 2 NH₄Br → PbBr₂ + 2 NH₄NO₃ The number of moles of Pb(NO3)2 = 66.0 mL soln × (1 L soln / 1...

Q: 5. Two isomers of [Co(H,O),(NH,)>CI] are found to have the exact same polarity, color, and mag- neti...

A: Isomers: The existence of coordination compounds with the same formula but different arrangements of...

Q: How many moles of Cl atoms are there in 65.2 g CHCI3? O 1.64 mol O 3.00 mol O 0.548 mol O 1.09 mol

A: Given that,  mass of CHCl3=65.2 g molar mass of CHCl3=119.38 g mol-1 then, moles of Cl = ?  

Q: The Environmental Protection Agency recommends that Pb2+ have a concentration not exceeding 1.00 × 1...

A:

Q: CH30

A:

Q: The reaction for the combustion of propane is kcal (DOʻHT + (8) 0E – (3)OS + (3)*H°Ɔ mol AH = -526.3...

A: Given, C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (l) ∆H = - 526.3 kcal/mol Note: negative sign (-) indica...

Q: In a tabular format, enumerate 5 molecules where the following atoms are found in: O (sp3-hybridize...

A: sp3 = 4 sigma bonds + 0 pi bond sp2 = 3 sigma bonds + 1 pi bond  

Q: The internuclear distance between two closest Kr atoms in solid krypton is about 4.0 Å. The polariza...

A: We have find out boiling point of Krypton.

Q: Five grams of vinegar solution was given to you to analyze for the percent acetic acid present in th...

A: To calculate percent mass , we would need to calculate mass of acetic acid in vinegar solution.  For...

Q: One mole of iron None of the other choices is correct. is heavier than one mole of lead (Pb). O is 7...

A: To solve this problem we have to know about one mole of iron and one mole of lead .

Q: For two reactions, whose entropies of activation are equal, the activation energies are 50.00 and 60...

A:

Q: Calculate the most probable radius, rmp, at which an electron will be found when it occupies a 1s or...

A:

Q: 25. What species is oxidized in the following redox reaction: 2Al(s) + 3 Zn²*(aq) → 2A13*(aq) + 3Zn(...

A:

Q: What is the standard Gibbs energy (ΔG°) at 25°C for the following cell reaction? Co(s) +Ni2+→Ni(s)+...

A: From the table of standard reduction potential values Co^2+(aq) +2e ---> Co(s)  E°= -0. 28V Ni^2+...

Q: The system has the least symmetry among the seven crystal systems. triclinic monoclinic rhombohedral...

A: Option A is correct answer Triclinic

Q: An increase in the temperature of the reactants causes an increase in the rate of reaction. The best...

A: In this question, we have to choose the correct explanation for the behaviour that as the temperatur...

Q: In an experiment similar to Perrin's, you counted the concentration of suspended particles in a liqu...

A: First we check the relation between depth and number of atoms using the given two observation at two...

Q: expleain Humidification and dehumidification mass transfer operations with suitable example and indu...

A: Answer - Humidification mass transfer - The transfer of material between a pure liquid phase and a f...

Q: Consider the substitution reaction shown below. By what mechanism will the reaction proceed? Br HOCH...

A: There occur substitution reaction.  

Q: Question 16 Which of the cations below would be subject to a structural rearrangement such as an alk...

A: Rearrangement occur only when there is most stable carbocation formed after rearrangement.  

Q: For the reactions below write out the overall reaction and the equilibrium constant expressions for ...

A: Chemical equilibrium is defined as the stage at which both reactant and product are in equilibrium. 

Q: The pH of a 0.46M solution of propanoic acid (HC,H,O,) is measured to be 2.60. Calculate the acid di...

A:

Q: n (molecular equation)

A:

Q: 0JU tile Relerences to acce the structure of the organic product that is expected when the он H2SO4 ...

A:

Q: Part A Rank these systems in order of decreasing entropy. Rank from highest to lowest entropy. To ra...

A:

Q: H3C CH3 H3C CH3 NaN3 NaCI H3C CI H3C "N3

A: Here we have to write structure of initially formed tetrahedral intermediate formed when tert-butoxy...

Q: A wittig reaction experiment: Week 1 -》 preparation of phosphonium salt  Materials : triphenylphos...

A:

Q: Classify the type of reaction is represented by the following equation: 2 Na(s) + Cl2(g) → 2 Nacl(s)...

A: Given-> 2Na(s) + Cl2(g) --->2NaCl(s)  

Q: Provide the correct IUPAC name for the compound shown here.

A:

Q: How would you prepare 10.0ml of a buffer with a concentration of 0.0100 mol/L, and pH 7.40, starting...

A: Given: pH of buffer = 7.40  Concentration of buffer = 0.0100 M Volume of buffer required = 10.0 mL =...

Q: Balance the equation in basic conditions. N2H4 + Cu(OH)2 -> N2 + Cu

A: Balance chemical reaction: 2 Cu(OH)2 + N2H4 ---> 2 Cu + N2 + 4H2O

Q: A certain reaction is spontaneous at 65 ° C. If the enthalpy change for the reaction is  15 kJ/mol...

A:

Q: A buffer that is 0.671 M in acridine (C13H9N) and 0.671 M in acridinium chloride (C13H10NCl) has a p...

A: Given- Molarity of C13H9N = 0.671 M Molarity of C13H10NCl = 0.671 M Volume of buffer = 100.0 ml Volu...

Q: Part A: Balanced Chemical Equations (must ina Balanced Total Equation (molecular equation) NAOH(aq) ...

A: Product of given reaction is , ferric hydroxide and sodium chloride.  

Q: [Review Topics [References) Acyl transfer (nucleophilic substitution at carbonyl) reactions proceed ...

A:

Q: MgO has a face-centered cubic unit cell in which the O2- anions occupy corners and face centers, whi...

A: First we would Calculate edge length using density formula .  Then for face-centred cubic unit, we c...

Q: Be sure to answer all parts. Calculate the concentrations of H2C2O4, HC20,, C20,?¯, and H* species i...

A: We have to calculate the equilibrium concentration of all given species in solution   

Q: If E°cell >0, then Group of answer choices ΔG° =0 and K>1. ΔG° 1. ΔG° 0 and K0 and K=1.

A: To solve this problem we will use the concept of electrochemistry and thermodynamics .

Q: Draw structural formulas for the following carboxylic acids and circle the acidic hydrogen atoms pre...

A:

Q: 1) КОН 2) EtBr 3) H2NNH2 N-H Draw Your Solution Br 1) NaCN, DMSO 2) H;0“, heat 3) SOCI, 4) excess NH...

A:

Q: Equal volumes of two different weak acids are titrated with 14 0.30 M NAOH, resulting in the followi...

A:

Q: What reactions take place during the electrolysis of water? Group of answer choices Hydrogen is redu...

A: In this question, we have to give the reactions for electrolysis of water

Q: What is the major product of the following reaction? HO OH он

A:

Q: A solution of methylamine (CH3NH2), a weak base, has an initial concentration of 0.272 M. Methylamin...

A:

Q: The Arrhenius equation is k = Ae-Ea/RT The slope of a plot of In k vs. 1/T is equal to -Ea/R Ok Ea O...

A:

Q: O The activation energy for the reverse reaction is greater than the activation energy for the forwa...

A:

Q: 5. Study the following electron configurations for Am (atomic number 95) and Cm (atomic number 96): ...

A: The electronic configuration is a summary of where the electrons are to be placed around the nucleus...

Q: Consider the following reaction at equilibrium. What effect will adding more SO3 have on the system?...

A: Choose the correct option of the following--

Q: Calculate the density, in grams per liter, of ammonia gas at STP. Express your answer with the appro...

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".