olid cuprous sulfide is oxidized by hot concentrated nitric acid forming cupric salt, and nitrogen dioxide gas.

Q: Curved arrows are used to illustrate the flow of electrons. Follow the arrows and draw the reactant ...

A:

Q: If 49.0 g of H3PO4 is reacted with KOH, determine the theoretical yield and percent yield of K3PO4 i...

A: Given -> Weight of H3PO4 = 49.0 gm Actual yield = 45.0 gm

Q: What is the line structure and structural formula of 4,5-dihydroxy-6-methyl-n-heptanal?

A:

Q: Calculate A,G° for the following reaction at 298 K as written. 2 Agfs) + Sn* (aq) 2 Ag*(aq) + Sn2*(a...

A:

Q: What volumes of 0.50 M HNO2 and 0.50 M NaNO2 must be mixed to prepare 1.00 L of a solution buffered ...

A:

Q: What wavelength (in nm) of light is emitted when an electron transitions from the n = 12 to the n = ...

A: n1 = 1 n2 = 12  RH = 1.09 x 107 m-1 

Q: What are the possible values of the magnetic quantum numbers, ml, for the f block elements in period...

A: Possible values for magnetic quantum number

Q: pls.ans.wer... ASAP. I really need help. you dont have to show all the steps but just help pls. I wi...

A: When the half-cell represented by NiO2 (s) Ni(OH)2 (s) | OH- (aq) is functioning as an anode in a ce...

Q: 1. Draw the d-orbitals diagram for cobalt in [Co(OH2)6]Cl2 based on CFT. 2. Compare [Co(H2O)6]Cl2 an...

A:

Q: write the balanced equation for the reaction of sodium hydroxide and propionic acid

A: Propanoic acid is a carboxylic acid and the carbocyclic acids are weak acidic in nature. C3H6O2aq + ...

Q: HO 1. 1M NaOH in EtOH H 2. CH3CH2-Br Na* Br

A: Williamson ether synthesis is a method to synthesize ether using Sodium ethoxide and alkyl halide as...

Q: pls.ans.wer... ASAP. I really need help. you dont have to show all the steps but just

A: Select the pair of products formed in the electrolysis of a neutral solution of ZrCl4 (aq) using ine...

Q: Provide the IUPAC name for the condensed structural formula shown here. CH2 CH CH3 CH2-CH2 | H3C „CH...

A: In this question, we have to give the IUPAC name of the given compound

Q: Which of the structures below are identical? CH3 CH3 CH3 CH,CH,CH,CH3 CH,CHCH3 CH;CHCH,CH3 CH;CCH3 Č...

A: When two structure having same configuration then they are said to be identical.

Q: Indicate the products of the reaction of 2-hexanone with aqueous I2/NaOH and with subsequent hydroly...

A: The ketone having alpha- methyl group reacts with I2 and NaOH followed by little acidic workup to pr...

Q: 3-9. A 40-cu ft tank is filled with air at 14.7 psia and 80°F. The tank also contains a 15-lb block ...

A: The pressure will be 58.14 psi

Q: Why is important to dry a primary standard to a constant mass ?

A: A primary standard is a reference chemical used to measure an unknown concentration of another known...

Q: Write the suffix -ene for alkenes and -yne for alkynes

A:

Q: ssify these structures as bemiacetal, ncetal, or other, Hemiacetal Acetal Other OH HC CH CH3

A: Hemiacetal is formed by the reaction of aldehyde with alcohol .

Q: why are ionic solutions not ideal even at very low concentrations?

A: Electrolytes are the compounds which dissociates partially or completely into ions when dissolved in...

Q: How much heat energy does 50.0 grams of water absorb if it’s temperature goes from 22.0 Celsius to 2...

A: Answer: Given data Mass of water m=50.0g Rise in temperature of water ∆T=(25.3-22)°C∆T=3.3°C

Q: In 100 ml of solution there are Ca2+ ions 0.25 M and Ba2+ 0.05 M. Calculate the mass of Na2SO4 that ...

A: Ksp of CaSO4 = 4.9 x 10-5 Ksp of BaSO4 = 1.1 x 10-10 [Ca2+] = 0.25 M [Ba2+] = 0.05 M   The amount of...

Q: (True or False, explain if its false) The value of the chemical displacement of a proton is determin...

A: In the given problem we have to discuss whether the statement given "The value of the chemical displ...

Q: The decomposition of hydrogen peroxide (H2O2) was observed and yielded the results shown below. Time...

A: Simply we can find the order of reaction from a  reactant concentration vs time graph. A standard gr...

Q: Identify whether each species functions as a Brønsted-Lowry acid or a Brønsted-Lowry base in this ne...

A:

Q: Melting Boiling Point Point Molar Density (g/mL) Chemical Notes Mass (g/mol) (°C) (°C) Acetone CAS: ...

A: Answer:- Rest of this chart is filling -   

Q: How many moles of barium are contained in 112.6 g of barium?

A:

Q: How many mg of solute is contained in 26.0 mL of 0.250 M sucrose, C12H22O11 (342 g/mol)

A:

Q: Calculate the molarity of a NaCl solution prepared by mixing 75.0 mL of a 6.0 M NaCl solution with e...

A: Given - - > At initial,  M1 = 6 M V1 = 75 ml At final,  M2 =? V2 = 500 ml

Q: Calculate the energy for each level of the H and He". HYDROGEN Orbit Energy N= 1 n=2 n =3 n = 4 N =5...

A: We have to calculate the energy for each level of the H and He+ in this question:

Q: What is the formula for manganese (V) hydroxide? Hint: for CO2, write CO_2

A:

Q: 1. Does the molecule Ne, exist? A. Draw a molecular orbital energy diagram for Ne2. B. Write the mol...

A: 1. No, Ne2 molecule does not exist. A. Molecular orbkital diagram for Ne2 is  

Q: What is wrong with the Lewis structure depicted below? [Image description: A Lewis structure with a ...

A:

Q: why very low concentrations? are ionic solutions not ideal even at

A: An ideal solution is one which obeys Rault's law at any temperature and concentration. Here we have ...

Q: The standard molar enthalpy of formation of calcium carbonate (CaCO3) is - 1206.9 kJ/mol. What will ...

A: (d) The reaction is as follows:    CaCO3(s) → CaO(s) + CO2(g) The molar mass of CaCO3 = 100.1 g/mol ...

Q: write the correct IOPAC name of each of the given organic compound 1. CH;CH:CH:CH;CH;CH2OH 2. CH;CH2...

A:

Q: For a hydrogen atom, calculate the energy of the photon that would be emitted for the orbital transi...

A: Given, n(initial) = 5 n(final) = 1 Rydberg constant, Rh = 1.09678 × 107 m-1

Q: When testing for acidity with litmus paper why should you not put litmus paper into the solution

A: Litmus paper test is used to determine the solution is acidic or basic.

Q: Part C Which element is reduced in this reaction? 16H +2C12O;2- + C,H;OH 4Cr +11H20+ 2CO2 Enter the ...

A: 16 H^+ + 2Cr2O7^2-.+ C2H5OH ---> 4Cr^3+ + 11H2O +                                                ...

Q: Choose the best Lewis structure from those presented below. (It will help to work out the missing fo...

A: Structure A: Nitrogen has 2 bonds + 1 lone pair = 3×2 = 6 electrons. Therefore, nitrogen is not obe...

Q: Complete the following solubility constant expression for CaF2. K sp

A:

Q: Which pair of compounds and type of chemical bonding is correct? a. Ra-Cl – Ionic Bonding b. Mn-Mg ...

A:

Q: What is the line structure and structural formula of 2-ethyl-3,4-demithyl-1-hexanal?

A: Given :-  name of compound = 2-ethyl-3,4-dimethyl-1-hexanal  To draw :-  line structure  structural...

Q: full mechanism please OH КзFe(CN)6 pH9 CH3

A:

Q: A solution may contain, chloride, carbonate, phosphate, and or sulfate ions. No effect is observed u...

A: 1) As no impact is seen upon the expansion of 6M HNO3, it affirms that CO32-is missing. In the event...

Q: Describe the preparation of 2.00 L of 0.325 M HCl, starting with a 6.00 M solution of the reagent.

A: The equation for dilution is M1V1=M2V2. 

Q: A mixture of gases is made by connecting a 7.50 L flask containing nitrogen at 2.00 atm to a 13.0 L ...

A: Given,  A mixture of gases is made by connecting a 7.50 L flask containing nitrogen at 2.00 atm to a...

Q: (a) OH (b) .COOH H3C° (c) OH (d) -CH3 -CEN (e)

A: The format of writing of IUPAC nomenclature for non sub- stituted spiro compounds is 'spiro[a,b]alka...

Q: How much energy does it take to turn 10g of liquid water into a gas at the boiling point? Heat of va...

A: Given data : Mass (m) = 10 g Heat of vaporization (ΔHvap ) = 540 cal/g

Q: Provide an appropriate response. 12) The IQ scores of adults are normally distributed with a mean of...

A: X~ Normal with mean 100 and std 15. P(85<X<125) =P( (85-100)/15 < (X-100)/15< (125-15)/1...

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.