2H2  +  O2  2H2O   How many grams of O2 are needed to fully react with 3.0 grams of H2?

Q: A patient in hospital takes digoxin at a dose of 125 micrograms daily.  He is currently not able to…

A: given :-  amount of digoxin required daily = 125 micrograms  available concentration of solution =…

Q: Which of the following is a correct set of quantum numbers for an electron in a 5f orbital ? Group…

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Q: Balance each of the following neutralization reactions.

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Q: What is the molar mass of a compound that has 7 atoms of an element with molar mass 20.63 and 18…

A: 1 mole = 6.022×1023 (Avogadro's number)  The mass of 1 mole of molecules of a substance is called…

Q: Find all alpha-Hydrogens and draw all possible enol forms: a) b) CH,-C-CH 20

A: Since you have posted multiple questions with multiple sub-parts, we will solve the first three…

Q: element is being reduced

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Q: What starting materials or reagents are best used to carry out the following reaction? .CI O HNO3,…

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Q: The air in an inflated balloon (the system) absorbs 115 J of heat. As it expands, it does 88 kJ of…

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Q: Why is it impossible to have only one enantiomer of thalidomide under biological conditions?

A: Thalidomide consists of two enantiomers, R and S. The (R)-enantiomer has sedative effects whereas…

Q: All chemical equilibriums must have Keq = 1 F [reactants] = [products) %3D rate forward rate reverse…

A: All reactions are reversible and under suitable conditions will reach a state of equilibrium.…

Q: e molality of lithium hydroxide ins

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Q: 20. DDT, an insecticide harmful to fish, birds, and humans, is produced by the following reaction:…

A: We are authorised to solve first three subparts of a question. Please post rest of the subparts…

Q: Without doing any dilution, solutions with higher concentration of Vitamin C are: Darker B lighter…

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Q: (a) Draw a specific organic reaction for the hydrohalogenation addition reaction of alkenes. (b)…

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Q: Calculate T' in Kelvin given cell-0.710 volts %3D n= 1 R= 8.314 J/molK F= 96500 C/mole electrons K=…

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Q: A Оз Zn/CH3COOH Br2 F H20 H2 > B Pd C2 HCI H* H20 D

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Q: Consider the reaction. X(g)+Y(g) = Z(g) Kp = 1.00 at 300 K In which direction will the net reaction…

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Q: Refer to the following phase diagram (not to scalet) for nitrogen 1.00 stm 0.127 631 632 TKelvin At…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: Molecules with the composition ROH is a(n) ________ group. carbonyl hydroxyl amino

A: composition of given molecule is ROH

Q: The Ksp of Fe(OH)2 is 1.8× 10-15. What is the solubility of this salt in moles of Fe(OH)2 per liter…

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Q: Determine the oxidation number of Cu in Cu2O. Link to Physiral Con

A: Given :- chemical formula of compound = Cu2O  To determine :- oxidation no.of Cu in Cu2O

Q: A. What mass of acrylonitrile can be produced? 19. Acrylonitrile (C3H3N) is the starting material…

A: Weight of C3H6 = 15.0 gm Weight of O2 = 10.0 gm Weight of NH3 = 5.00 gm

Q: DURING NITRITOMETRIC TITRATION, THE ADDITION OF CHLORIDE ACID (HCI) TO THE REACTION MIXTURE…

A: Nitritometry is the method based on the reaction which occurs in the acidic medium as follows:…

Q: (Give clear handwritten detailed solution) Find out oxidising agent from the mentioned reaction.

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Q: Determine the equilibrium constant (Kc) at 25°C for the reaction: 2Fe3+(aq) + Cd(s) ⇌ 2Fe2+(aq) +…

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Q: Which one of the following sets of quantum numbers is not possible?

A: Formula to find l ( azimuthal quantum number is  (n-1) ,where n is the principal quantum number. ml…

Q: Radon is a radioactive gas found below ground. If a sample of radon occupies 299 mL at 25 ?C, what…

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Q: Is the following an oxidation or a reduction reaction? N2O4 NO

A: Oxidation :- The process of addition of oxygen or removal of hydrogen or increase in oxidation…

Q: How many electrons are being transfer in the following unbalanced reaction Fe +  O2  --> Fe2O3?

A: Calculate how many electron transfer ?

Q: What aldehyde or keton is needed to prepare the alcohol shown below by metal hydride reduction OH

A: Reduction of ketone or aldehyde by metal hydride

Q: Calculate AG" (In kj/mol) given AG- 451.5 kl/mol and R 0.008314 kj/mol K and T 854.8 K and Q-0.799…

A: The correct answer is given below

Q: Molecular Geometry COF2 N2 O₂ H2 Cl2

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Q: Two ideal gases, one monoatomic and the other diatomic are mixed with one another and form an ideal…

A: Given: γ for the mixture = 117

Q: EDTA is a complexing agent commonly used in chemistry and chelation treatments. Determine the…

A: The equilibrium reaction given is, => Pb2+ (aq) + EDTA4+ (aq) ⇔ Pb(EDTA)2- (aq)…

Q: 9. For each pair of molecules, circle the stronger base. Use pKa values to guide your decisions. a.…

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Q: Use the data given below to construct a Born-Haber cycle to determine the lattice energy of CaO.…

A: Given that, Ca(s) → Ca(g), ∆Hsub = 193 kJ, Ca(g) → Ca+1(g) + e-, (IE)1 = 590 kJ, Ca+1(g) → Ca2+(g) +…

Q: A 25g sample of CH3COONa is completely dissolved in 500ml of water and CH3COOH has an acid…

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Q: Select all of the true statements regarding chemical equilibrium. The concentrations of reactants…

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Q: Determine the amount of energy necessary to raise 489 g of beryllium by 513 degrees Celsius. Report…

A: Given data,Mass of Beryllium=489gTemperature change (∆T)=513oCStandard data taken from…

Q: Which of the following elements has the smallest atomic radius?     A)Sb B)I C)Te D)Rb E)Sn

A: Which of the following elements has the smallest atomic radius?

Q: Consider the titration of 25.0 mL of Q.200 M HCI with 0.200 M NAOH. Calculate the pH of the solution…

A: pH :-  It is defined as  negative logarithm to the base 10 of hydrogen ion concentration of a…

Q: IN CASE OF TITRATION OF A WEAK BASE IN A NON-WATER ENVIRONMENT, A SOLUTION IS USED AS A TITRANT…

A: Non aqueous Titration is a titrimetric method which is mainly used in pharmacopoeial assays. Here…

Q: mistry 2SO2 (g) + 02(g) = 2S03(g) Kc = 6.1 x 104 at 750K. At equilibrium PSO2 = 1. 22 bar and PO2 =…

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Q: For the reaction C(s,graphite) + 02(g)CO2(g) AG° = -394.4 k) and AS° = 2.9 J/K at 327 K and 1 atm.…

A: The reaction given is, And moles of C reacting = 2.04 mol.

Q: alculate reduced molar mass (in g/mol] for two particles with masses 30.4 g/mol and 57.7 g/mol. Note…

A: Given mass of particle 1(m1) = 30.4 g/ mol Mass of particle 2(m2) = 57.7 g/ mol Reduced mass =?…

Q: 9. Using cyclopentanone as your starting material, and using any other reagents of your choice,…

A: The steps involved in the given transformation are 1. Abstraction of proton by base 2. Nucleophilic…

Q: How do I find the number of moles in a solution if I have the concentration and the volume? Do I…

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Q: Fusidic acid is a weakly acidic drug with a pKa of 4.6. It is available as the sodium salt (fusidate…

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Q: REDOX TITRIMETRY I. Balancing Redox Equations Use the Half-reaction method: a) Write the…

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Q: A sample of NaNO3 is partially decomposed by heating, producing O2 gas that is collected safely over…

A: When a gas is collected over water, some water vapors are also present along with the gas. In this…