Br NH2

Q: Deduce the identity of the following compound from the spectral data given. C8H10: 1H NMR, 6 1.20 (3...

A:

Q: Of the given compounds, which is more soluble in water? :0: H. H H- .C II O both are equally soluble

A: in this, we will use the concept of like dissolve like. polar solutes dissolve in a polar solvent an...

Q: Question 5 of 22 How many radial nodes are present in this orbital? +Z A) O B) 1 C) 2 +y] D) 3 +X

A: Principal quantum number is represented by n. Azimuthal quantum number is represented by l. Number o...

Q: lculate the energy released by the fusion process эНе + ЭНе > Не + 2H The masses of the pertinent at...

A:

Q: 4. Entropy represented mathematically by

A: The increase in entropy accompanying an increase in disorder.

Q: Choose the element with the more negative (more exothermic) electron affinity from each of the follo...

A: Electron affinity :- The amount of energy released when an electron is added to a neutral gaseous at...

Q: What is one example of systematic error that can occur in an experiment and one example of random er...

A: The difference between true value and an measured value of an experiment is known as errors. If any ...

Q: Trial 1: 9.865 g Trial 2: 9.996 g Trial 3: 9.563 g Trial 4: 9.658 g Trial 5: 10.235 g Select al...

A: Standard deviation (S) is a measure of precision. This quantity is obtained by the summation of the ...

Q: The term masking generally refers to: A) Masking generally refers to the transformation of an inter...

A: In organic transformations there are instances where there is a probability that a particular set of...

Q: Explain the role of hydrocarbons in the formation of ozone (use chemical reactions)

A: Propane is an abundant hydrocarbon in the atmosphere and it reacts with the hydroxide free radical a...

Q: Q8: Explain the following by diagram only. (London forces, Dipole forces, and, Ordered and disordere...

A: Here as per given question, the diagram of London forces, Dipole forces and ordered and disordered s...

Q: Write a net ionic equation for the reaction that occurs when chromium(II) carbonate (s) and excess h...

A: The reactants given are chromium (II) carbonate i.e. CrCO3 (s) and hydrochloric acid i.e. HCl (aq). ...

Q: E B) C) A) R. R Coordenada de Coordenada de Coordenada de reação reação reação D) E) Coordenada de C...

A: Given reaction is : Which diagram is the correct diagram for the given reaction = ? 

Q: If 14.0 mL of glacial acetic acid (pure HC2H3O2; Ka=1.8×10−5) is diluted to 1.50 L with water, what ...

A: Given data Volume of acetic acid = 14.0 mL density of acetic acid = 1.05 g/mL Total Volume of soluti...

Q: Calculate the concentrations of HF, OH−, and H3O+ in a 0.19 M KF solution (for which Ka(HF)=6.8×10−4...

A: Given: The concentration of KF solution = 0.19 M Ka for HF = 6.8 × 10-4 We have to calculate the con...

Q: 1. Based on the patterns you saw in the previous sections, which of those substances do you think wi...

A: Only those compounds conduct electricity that dissolves in water and dissociates to give constituent...

Q: The solubility product of zinc cyanide [Zn(CN)2, FM = 117.424] is 3 x 10–16.  What is the molar solu...

A: Given: Ksp of Zn(CN)2 = 3 × 10-16  And concentration of Ca(CN)2 = 0.15 M  

Q: Question 5. (a) A series of radioactive elements are placed separately beneath the main periodic tab...

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Q: Write 4 differences between solubility and solubilization?

A: Solubility is the maximum amount of the Substance or Solute that can be dissolved in the fixed amoun...

Q: What is the correct IUPAC name for V(HSO,),? (1) (11) (1II) ) (IV) penta- octa- di- tri- tetra- hexa...

A:

Q: Which of the following pure compounds exhibits hydrogen bonding? NH3 H2C CH2 H,C CH2 H. CH2CH3 N. H3...

A: Hydrogen bonding :-  It is a special type of dipole-dipole interaction between two polar molecules I...

Q: Some chemical reactants are listed in the table below. Complete the table by filling in the oxidatio...

A: Given  Species   =  H3O+ ,CuCl  ,  Br-  , KNO3 Oxidation state of highlighted atom = ?         

Q: If pressure is expressed in atmospheres and volume is expressed in liters, PΔV has units of L atm (l...

A: We have to calculate the number of joules for the 2Latm.  

Q: V The mean free path A is given by 1 = in few lines explain the V2nd?N' physical significant of 2. A...

A: Mean free path is defined as the average distance travelled by an object between two successive coll...

Q: 1. The flow is laminar if the Reynolds number is less than approximately 4000. The flow is turbulent...

A: Reynolds number helps to predict the flow pattern in different fluids. At low Reynolds number, flow ...

Q: What is the correct IUPAC name for Sr(OH)2 ·7H20?

A: The correct iupac name of Sr(OH)2.7H2O is-

Q: Gaseous ethane (CH,CH,) will react with gaseous oxygen (0,) to produce gaseous carbon dioxide (CO,) ...

A: Given  Mass of ethane  = 0.601 gram  Mass of Oxygen = 2.9 gram  Mass of water    =   ? 

Q: Which one can you NOT use to compare amounts in a chemical reaction? mass moles molecules

A: To identify: The term which can not be used to compare the amounts in a chemical reaction.  

Q: Draw the organic product formed when the following compounds undergo a substitution reaction: (a) ac...

A: The question is based on the concept of organic reactions.         We have to identify the product f...

Q: Draw and completely label a hypothetical phase diagram of a mixture containing menthol and camphor, ...

A: Eutectic Mixture : It is defined as a mixture of two or more components which usually do not interac...

Q: moles

A:

Q: Part a) Draw the peptide K-E-S. Part b) How can you estimate the pI of the peptide?

A:

Q: Calculate the volume in units of cm3 for 24.4 x106 tons aluminum.  The density of aluminum is 2.70 g...

A: Given  Mass of aluminum = 24.4 × 106  tons  density of aluminum = 2.70 gram/cm3 Volume in cm3  = ? 

Q: Heat capacity is the number of joules (J) per Kelvin (K). The heat capacity was 15.080 J/K. What is ...

A: Given: Heat capacity in J/K = 15.080 J/K.  

Q: Write the chemical formula for tungsten(VI) nitride

A: Given compound is : Tungsten(IV) nitride  Chemical formula of tungsten(IV) nitride = ? 

Q: a- For H2 gas at 25 °C, calculate the ratio of the fraction of molecules that have a speed 2u to the...

A: We can solve this problem using Maxwell-Boltzmann distribution. It is the distribution of speeds amo...

Q: The safe dosage of the IV antibiotic ceftriaxone for children weighing more than 2.0 kg is 60. mg pe...

A: The Safe dosage of antibiotics per kilogram of body weight = 60 mg The weight of child is 31 Kg  Mea...

Q: What is the molality of ions in a 0.529 m solution of AlCl₃ assuming the compound dissociates comple...

A: Given  Molality of solution = 0.529 m  Compound   = AlCl3 Molality of ions   = ? 

Q: Discuss the three relatively simple crystal structures for most common metals such as FCC, BCC and H...

A: A unit cell is the smallest repeating unit of a crystal lattice. The simple unit cells which are mos...

Q: Draw curved arrows to form the next most important Draw the next most important resonance structure,...

A: Resonance structure:If the Lewis structure of a molecule or ion cannot explain by a single structure...

Q: CH3 CHCI

A: The compound given is,  

Q: How many grams of tin metal will be deposited from a solution that contains Sn ions if a current of ...

A:

Q: What are the main sources of halogen-containing compounds? Why is it important to know their concent...

A:

Q: Consider the wavefunction for a particle in a one-dimensional box when the level is n = 6. Calculate...

A: Given information, The particle is in one - dimensional box. n = 6 The range of box length is x = 0 ...

Q: Determine whether each chemical formula given is an empirical formula or not. Empirical formula Not ...

A:

Q: 4 KO₂ (s) + 2 CO₂(g) → 2 K₂CO₃(s) + 3 O₂(g) The theoretical yield for the reaction is 0.227 g O₂. Gi...

A: Percent yield = (actual yield/theoretical yield) x 100 % 

Q: Describe the shape of a 5p, orbital. O three balls O six balls O spherical dumbbell shaped four ball...

A: Shape of 5pz orbital ?

Q: In gravimetric analysis, volatile solvents are used _______.

A:  gravimetry The analyte is converted to a sparingly soluble derivative so that it can get precipitat...

Q: Question 22.b of 22 Describe and apply the periodic trends for first ionization energy. Identify whi...

A: Which one will be lowest ionization energy among them--

Q: Describe the preparation of 0.50L of a 0.20 M Hepes buffer pH 7.7 You are given the following materi...

A: Given information, Volume of buffer solution = 0.50 L Concentration of buffer solution = 0.20 M pH o...