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Q: How many kg of water must be added to 20.0g of NaOH to make a 0.30 m NaOH Solution? The molar mass o...

A: Given: The mass of NaOH is 20.0 g. The molality of solution is 0.30 m. The molar mass of NaOH is 40....

Q: 3. Indicate if the following molecule has an R or S configuration. CH3 HOC CH2CH3 Atomic #'s & Masse...

A: The R-S nomenclature is used to name the enantiomer of a chiral compound. If the rotation about the ...

Q: The expected product from the addition of HCl to CH3–CH2–CH=CH2 is? CH3-CH2-CH2-CH2CI CH3-CH2-CHCI-C...

A: There are many mechanisms in organic chemistry such as nucleophilic substitution, nucleophilic addit...

Q: Answer questions for the following molecule: Circle any/all chiral centers. b. Is this molecule chir...

A: A chiral centre is the atom bonded to four different groups in such a way that it has a non-superimp...

Q: Determine which of the following has the highest entropy:   He(g)   Ne(g)   Ar(g)   Kr(g)

A: The entropy depends upon following factors . (1) Temperature : On increasing temperature entropy inc...

Q: If there is no change in concentrations, why is the equilibrium state considered dynamic?

A: To find: If there is no change in concentrations, why is the equilibrium state considered dynamic?

Q: Analyze the effect of concentration and path length on the absorption ofradiation in UV visible spec...

A: Beers Law According to Lambert-Beer Law that There is a linear relationship between the concentratio...

Q: A solution of a nonelectrolyte solution contains 39.0 g of solute dissolved in 242.0 g of water. The...

A: Given: The freezing point of pure water, (T0f) = 0.0 0C. The given mass of water, (Wa) = 242.0 g = 0...

Q: We discussed benzene rings in this lesson. So, consider the compound chlorobenzene. How many carbon ...

A: We know that benzene contains 6 carbons Now in chlorobenzene, 1 H is replaced by Cl but no. of C rem...

Q: `Of the choices listed below, which would be classified as a polysaccharide? glucose sucrose cellulo...

A: Polysaccharides =  Polysaccharides are the large compound made from the small units monosaccharides.

Q: A common type of calculation involves a determination of mass of a sample when pressure, temperatur...

A: Given: The pressure is 50 bar. The temperature is 30 oC. The volume is 10 dm3. Introduction: The ide...

Q: Question / make the following transfers:- a) Isobutylene → 2-methylpropane b) 1-butene → 2CH3COOH c)...

A: In chemistry, we have many organic compounds containing carbon and hydrogen as their main constituen...

Q: the molar mass of the product obtained by the action of an acetylene hydrocarbon with excess hydroge...

A:

Q: match the following

A: An atom of an element can combine with the atom of the same element or a different element to form a...

Q: What is? CUSO•5H,0 Cuso '2

A: CuSO4 is a copper(II) sulfate with the oxidation state of copper to be+2. It's an inorganic substanc...

Q: Fill in the blank with the given multiple choice below

A: A chemical reaction occurs when two or more react and give desired products. The reactants are alway...

Q: The pressure exerted by a volume of gas V, at a temperature T, has a certain value P. When the volum...

A:

Q: The substance argon has the following properties: normal melting point: 83.9 K normal boiling point:...

A: The given information is: Melting point of argon = 83.9 K Boiling point of argon = 87.4 K Triple poi...

Q: Chemistry Question

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Q: How  many  gram are  present  if  a  sample  of  nitrogen  gas  is  placed in  a  10.0  Liter  flask...

A: Given details, Volume = 10 L Pressure = 1755 torr = 2.309 atm Temperature = 295 K To calculate the m...

Q: Q find out mass 0 amam

A: Molality of the solution is equal to the number of moles of solute dissolved in one kilogram of solv...

Q: If you want to gold plate a stainless-steel spoon, you must attach   bars of gold for both elect...

A: Electroplating is a process in which a metal coating is created on another solid surface by metal de...

Q: Use [p + (dU/dV)T](dV/dT)P + [p + (dU/dV)T = T(dp/dT)V to find Cp - Cv for a van der Waals gas (p + ...

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Q: Calcualte the change in Gibbs free energy (AG°) for the reaction below given the change in enthalpy ...

A: Gibbs free energy: It is a thermodynamic property. For any spontaneous reaction, Gibbs's free energy...

Q: 1. What are the properties of aldehydes and ketones? 2. What will happen to aldehyde and ketones onc...

A: Both aldehyde and ketone contain -C=O . This unit is referred to as carbonyl group. In aldehyde carb...

Q: At most, how many electrons can occupy a 4d orbital?

A: To find: The number of electrons can occupy a 4d orbital.

Q: n the space provided, draw the oxidation and reduction products for the following: сно H OH HO H H O...

A: Polyhydroxy aldehydes are the group of the compound that has aldehyde as the main functional group a...

Q: If only 50% of the original amount of a radioisotope remains, a. half the time has gone by b. ...

A: Half life :-  in radioactivity, the interval of time required for one-half of the atomic nuclei of a...

Q: What is the volume of H20 in mL that 0.300 g of Ba(IO3)2 (molar mass= 487 g/mol) should dissolve in ...

A: The solubility product constant, Ksp​, is the equilibrium constant for a solid substance dissolving ...

Q: What is the difference between a crystalline solid and anamorphous solid?

A: The difference between a crystalline solid and an amorphous solid has to be given.

Q: Determine the equilibrium expression for the following reaction. CoO(s) + H2(g) – Co(s) + H2O(g) [Co...

A: Equilibrium expression is a ration representing the concentration of the reactants and products at e...

Q: If 255 mL of water is added to 325 mL of a 0.477 M solution, what is the molarity of the new solutio...

A:

Q: 4. Compute the pH and Given Kb for NH4OH is 1.8 x 105 percentage of ionization for 0.1M NH4OH.

A: Given For a weak base NH4OH   Concentration of NH4OH  = 0.1 M Kb for weak base NH4OH = 1.8 x 10-5 Fo...

Q: Write a note on HNO, availability, preparation and reaction with aniline.

A: HNO2 Availability :  Nitrous acid is a weak monobasic acid. It is very unstable. It is only availabl...

Q: A student determines that 4 widgets weighs the same a 7 thingamygigs. If 9 thingamygigs weighs 15.62...

A: Given data: Mass of 9 thingamygigs = 15.62 g  

Q: What is the IUPAC name of the following compounds?

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

Q: 16  of 48 Which set of values is thermodynamically possible?   ∆G/kJ ∆H/kJ ∆S/J K-1 Keq a. <...

A: Enthalpy Enthalpy measures heat content. If change of enthalpy is negative then reaction is exotherm...

Q: The following data table indicates the solubility of a substance. By examining the data presented, p...

A: Every ten degree increase decrease the solubility by 0.65mM e.g  5 degree 5.00mM solubility increase...

Q: What is the IUPAC name of the following compounds?

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

Q: How much energy would it take to cool 36.0g of water from 62.0℃ to ice at -2.00℃?

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Q: The vapor pressure of liquid silver is 400 mm Hg at 2.33×10° K. Assuming that its molar heat of vapo...

A: Solution :     Clausius Clapeyron equation gives the relation of vapor pressure when measured at two...

Q: The element which has four valence electrons is ________.( A) H B) Na C) Mg D) Si E) S

A:  A valence electron is an outer shell electron that is associated with an atom, and that can partici...

Q: Metallic lead crystallizes in a face-centered cubic lattice, with one Pb atom per lattice point. If ...

A: The materials have the ability to get converted into crystal systems, which can be either  FCC, BCC,...

Q: If you wanted to make water boil at 75°C, instead of 100°C, you would have to?

A: The boiling point is the temperature where vapour pressure equal to atmospheric pressure.

Q: The nickel in a nickel-hydride battery is used as   the salt bridge   the anode   the cathod...

A: The nickel-hydride batteries are rechargeable batteries as the reaction occurring is reversible in n...

Q: Which of the following is spontaneous at SATP?   NaCl(aq)→NaCl(s)   wood changing into paper ...

A: Chemical or biological reactions that take place without the influence of external factors are known...

Q: Balance the following equation (Equation in the attached photo)

A: In the chemical equation, the reactant is present on the left-hand side of the arrow while the produ...

Q: `When we name disubstituted benzenes, there is another way to name them besides the conventional num...

A: There are four positions in a benzene  Ipso Ortho  Meta  Para

Q: If 0.040 g of O2 dissolves in a liter of water at 1.0 atm pressure, how much would dissolve in a lit...

A: Given, 0.040 g of O2 dissolves in a liter of water at 1.0 atm pressure. How much would dissolve in a...

Q: Calculate ∆Sº for the reaction, H2(g)+Cl2(g)→2HCl(g), given Sº in J/mol-K, is 130.6, 223.0, & 18...

A:

Group 13 Elements

In the periodic table, group 13 elements exist in the first p-block. There are six elements present in group 13, which include boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl), and element 113 (ununtrium, (Uut)). Group 13 elements are also designated as the boron family.