HO

Q: In the electrolysis of a molten mixture of NaCl and CaBr2,identify the product that forms at the ano...

A:

Q: Draw all constitutional isomers of all-cis ethylmethylisopropylcyclohexane—that is, in which a methy...

A: Constitutional isomers are compounds that have the same molecular formula and different connectivity...

Q: An electron in the n = 7 level of the hydrogen atom relaxes to a lower energy level, emitting light ...

A: Given: Initial energy level (ni)=7 Wavelength=397 nm To find: Final energy level (nf) Formula: Wher...

Q: Name the following attachment :

A: The given organic compound structure contains sulfur having a general formula RSO3H where R is a sub...

Q: What is the molarity of a solution containing 16.7 grams of NH3 in 1.50 liters of solution?

A: Given: Mass of NH3  = 16.7 g Volume of NH3 solution = 1.50 L Molar mass of NH3 = 17.031 g/mol

Q: How many electrons are in the valence shell of each atom? (a) Carbon (b) Nitrogen (c) Chlorine (d) A...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: 2 C2H4 + 6 02--> 4 CO2 +4 H20 From the above reaction, if 2.0 mol of CO2 are produced, how many of 0...

A: Given: In the given reaction-                                        2 C2H4  + 6 O2 -----------> ...

Q: The J = 0 to J = 1 rotational transition of the CO molecule occurs at a frequency of 1.15 x 1011 Hz....

A: To calculate the moment of inertia and bond length we first write down the given data: Transition= j...

Q: How many cations are there in the ionic formula for the ionic compound formed when aluminum ions and...

A: The ions given are  1) Aluminium ion i.e Al3+ which is cation. 2) sulfate ions i.e SO42- which is an...

Q: In the reaction N3– + H2O  ---->  HN3 + OH–, the Bronsted-Lowry base is Group of answer choices

A: Bronsted-Lowry base in any reaction is the substance which accepts proton i.e H+ in the reaction.  

Q: Use the below reaction to answer the following question. HCl +  H2O  < ——->   H3O+  +  Cl-   U...

A: The reaction given is  HCl +  H2O  < ——->   H3O+  +  Cl-   

Q: How many sig figs does the sum of this equation have

A: In addition, we look at the places to the decimal point.  Add the given numbers in the normal fashio...

Q: The complexes [V(H2O)6]3+ and [VF6]3- are both known. What gives rise to the colors of these complex...

A: The striking colors exhibited by the complexes are caused due to excitation of an electron from lowe...

Q: Compound contains both ionic and covalent bonds. Write ionic Lewis structures for the compound, incl...

A: The Ionic Lewis structure for the following compound can be drawn as follows: The cationic structur...

Q: Express the enthalpy of response (11) using the enthalpies of response (12) and (13) using the Hess ...

A: Concept: The Hess law states that the enthalpy of a given chemical reaction is constant regardless o...

Q: Which of the two molecules shown do you expect to be the major product formed by 1,2-addition of HCI...

A: The 1, 2-addition of HCl to cyclopentadiene is shown here with the mechanism: 

Q: A solution contains 0.168 mol of A3X4 and 0.877 mol of water. Calculate the vapor pressure of the so...

A: Given : moles of A3X4 = 0.168 mol And moles of water = 0.877 mol The solute A3X4 is ionic and will d...

Q: Potassium chloride is an ionically bonded molecule that is sold as a salt substitute for use in a lo...

A: Ionization energy measures the difficulty of electron removal from an atom or an ion. Given: Electro...

Q: Write the equation for % ionization. If I say that a salt/acid in solution had an ionization of abou...

A: % ionization is defined as the percent of the any substance which is ionised in the water.  

Q: Which of the following statements is correct? Select one: O Rate constants are never negative. O All...

A: The rate of a constant unit depends on the order of any reaction.

Q: If the price of gasoline in Belgium is €1.74 per liter and the value of 1.00 € is equal to $1.47, ca...

A: Given information: Price of Belgium = €1.74 1.00 € = $ 1.47

Q: In a particular spontaneous process, the entropy of the system decreases. What can you conclude abou...

A: Spontaneous process: In thermodynamical terms, a spontaneous process is a process in which time-evol...

Q: Iodine is being extracted from 200 mL water using 50 mL CCl4. The partition coefficient for I2 being...

A: Solvent extraction: If V mL of a solution containing W gram of solute to be repeatedly extracted wit...

Q: An H2 molecule is in its vibrational and rotational ground states. It absorbs a photon of wavelength...

A: The electrons absorb energy of particular wavelength and moves to excited state. It is called absorp...

Q: The equilibrium constant of a reaction is found to fit the expression ln K = A + B/T + C/T3 between ...

A: The standard enthalpy of the reaction is determined as shown below,

Q: Explain octet rule ?

A: In an atom, all the electrons are placed in the atomic orbitals or shells. The arrangement of these ...

Q: A solid compound of molar mass 200 g mol−1 was introduced into a container and heated to 300 °C. Whe...

A: The relation between the vapor pressure of the compound and the rate of escape is as follows,       ...

Q: Write Lewis structures for molecule or ion. Use expanded octets as necessary. SF4

A: Lewis electron structures represent the distribution of electrons in an atom and used to explain the...

Q: The standard free energy of formation of cubic silicon carbide (SiC) is 62.8 kJ mol-1 . Determine th...

A: The change in free energy is used for the prediction of direction of the chemical reaction at consta...

Q: What are two different ways to classify matter?

A: Matter is defined as anything that is having mass and occupy space is considered as matter. Two diff...

Q: Consider the following general voltaic cell:Identify the (a) anode, (b) cathode, (c) salt bridge, (d...

A: a) The electrode where the oxidation occurs is called as an anode. It is a negatively charged electr...

Q: If you have 3.3 moles of a gas at 200.13 mL and 27.8 oC ,what is it's pressure?

A: Given: Temperature = 27.8 oC = 300.95 K Volume of vessel = 200.13 mL = 200.13×10-3 L Moles of gas = ...

Q: Mendeleev’s early periodic table placed manganese andchlorine in the same group. Discuss the chemica...

A: In Mendeleev’s periodic table, Mn and Cl has some similar chemical properties, such as reaction with...

Q: Draw β-d-psicofuranose :

A: β-D-Psicofuranose: It is a saccharide compound which is in the form of a furan ring. In this compoun...

Q: The pH of a solution of household ammonia, a 0.950 M solution of NH3, is 11.612. Determine Kb for NH...

A: We know that, pH can be expressed as the negative logarithm of H+, i.e.            pH = - log[H+]   ...

Q: Tributyltin hydride (Bu3SnH) is used synthetically to reduce alkyl halides, replacing a halogen atom...

A: Free radical mechanism is carried out in three basic steps i.e. initiation, propagation and terminat...

Q: The general test for type II diabetes is that the blood sugar (glucose) level should be below 120 mg...

A: Given that the blood sugar level must be below 120mg/dL in the general test for type-2 diabetes. Thi...

Q: How much work (energy) is required to lift a 173 g object by a height of 71.0 feet? The earth's grav...

A: The work required in lifting a object is given by  Work = change in potential energy = mgh where m =...

Q: How are the compounds in attached pair related to each other? Are they identical, enantiomers, diast...

A: Cahn–Ingold–Prelog priority rules (CIP) :  A tetrahedral Carbon has 4 atoms . For a chiral atom , th...

Q: The tablecloth on my dining room table is 2 m long, which is

A: The length of the table cloth is 2m long which we need to convert into cm and in

Q: A white oxide of tungsten is 79.2976% tungsten by mass. A blue tungsten oxide also contains exclusiv...

A: Let the mass of the white tungsten oxide and the blue tungsten oxide be equal to 100 g. Mass of tung...

Q: A sample of gas has a volume of 6.20 L at 20°C at a pressure of 1.10 atm. What is its volume at the ...

A: Assuming the ideal gas behaviour , we have the relation - PV = nRT where - P = pressure (atm) V = vo...

Q: A 1.00 mole sample of a gas would have a volume of 0.821 L at which of the following temperature and...

A: According to ideal gas law, PV = nRT where P = pressure V = volume n = moles R = gas constant = 0.08...

Alkynes

Alkynes are organic compounds that contain at least one triple bond between carbon-carbon atoms. They are a series of unsaturated compounds with a general molecular formula, CnH2n-2.