Provide examples, by using the only elements: cesium , beryllium , bromine and fluorine to design 6 equations each showing the following reactions, then balance each of them: a) Synthetic reaction eg. (A+ B= AB) substitute the letters with the selected elements. b) Decomposition reaction eg. decomposition of CaCO3 (AB= A+B) c) Single displacement reaction eg. (A+BC= AC+B) d) Double displacement reaction eg. (AB +CD= AD + CB) e) Neutralization reaction f) Oxidation reaction

Q: Task 3 Meselson and Stahl conducted an experiment to prove that the replication of DNA is semi-…

A: Ans (a). Semiconservative replication of DNA- According to semi-conservative mode of replication of…

Q: A.1 Answer the following two questions: (i) A particle with spin s = (in units of ħ) has an orbital…

A: (i) Given: Particle spin, S = 3/2  Orbital angular momentum, l =1 Now, possible values of total…

Q: Q 9 please

A: (9)  Given that -  Atoms = Ca, P , F    Atomic radius is the distance between central of nucleus of…

Q: A metal has a certain fraction f = 10-5 of vacancies at the atomic level at finite temperatures. If…

A:

Q: OTS OTS OTS OH NaOEt NaCN EtOH NaCN Hexan H₂SO4

A: Substitution : Here one group is displaced by another group. In polar protic solvent like EtOH SN1…

Q: Decide whether these proposed Lewis structures are reasonable. proposed Lewis structure [H=C=C:] H…

A:

Q: H3C Na ... N: HCI :Z-I Н H.C NH₂ о:

A: Oxygen contains lone pair of electron. It can act as a nucleophile.

Q: the Ni-base superalloys used to make turbine blades,  which of the following statements are true?…

A: We have find out the answer.

Q: sample containing iron is approximately 99.0% w/w Fe. Using ammonia, iron is precipitated as Fe…

A: a) The formula to calculate the Gravimetric factor (G.F.) is- G.F.=Atomic weight of AnalyteFormula…

Q: What is the orbital diagram of A12

A: Orbital diagram- An orbital diagram, often called an orbital filling diagram, is a type of notation…

Q: Using the tight-binding method calculate the valence band structure and the densities of states of…

A: Silicon : the atomic number of Si is 14. Its electronic configuration is [Ne] 3s2 3p2.

Q: A sample of hydrogen gas occupies a volume of 6.47 L at  4.58 atm and 9.96 °C. How many moles of the…

A: Given :  Volume = 6.47L Pressure = 4.58 atm Temperature = 9.96°C Universal gas constant = 0.08206…

Q: A 35.0 mL of 1.00 x10–2 M Ca2+ was titrated with 0.0250 M EDTA at a pH of 10 and in the presence of…

A: Ca2++ EDTA → CaY2- Kf'=αY4-. Kf=0.35×4.5×1010=1.575×1010…

Q: A smelting plant that extracts copper from ore uses a fuel analyzing 25% methanol and 75% 1-propanol…

A: Definition: Smelting is a process in which metal is formed or obtained as a simple compound from its…

Q: 2NOCI(g) = 2NO(g) + Cl₂(g) K = 1.6 x 10-5 @ 35°C K = [NO]²[C1₂] [NOCI]2 Calculate the equilibrium…

A:

Q: N₂ has molecular orbitals rather similar to those of CO, as shown in Figure 13.12. Would you expect…

A: In general, both N2 and CO have triple bonds. The molecular orbitals of N2 is given as follows: N2:…

Q: The following set of millimolarities were obtained when standardizing a solution: 10.67, 10.71,…

A: Data set in increasing order: 10.45, 10.66, 10.67, 10.71 It is to be checked whether the value which…

Q: 12- The pH of a 0.30 mol/L solution of a weak base is 10.66. What is the Kb of the base? What is the…

A:

Q: 2. A 35.0 mL of 1.00 x10-2 M Ca²+ was titrated with 0.0250 M EDTA at a pH of 10 and in the presence…

A: Given, A 35.0 mL of 1.00×10-2 M Ca2+ was titrated with 0.0250 M EDTA at a pH of 10 and in the…

Q: An oxidizing agent, X+, reacts with a reducing agent, Z, to give X and Z3+. What is the equilibrium…

A:

Q: forms two bonds and hydrogen forms only one covalent bond. Draw bond-line formulas for 3…

A: We are asked to draw constitutional isomers of C3H8O.

Q: H- Falcarinol a natural

A:

Q: The reaction below undergoes Br + H₂O mechanism.

A: SN1 reaction mechanism follows a step-by-step process wherein first, the carbocation is formed from…

Q: Predict whether the following solutions are acidic, basic, or neutral. Explain. a) ammonium…

A: Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Q: The observation of light during a reaction is usually associated with which of the following? A a…

A: Chemical change: In chemical change the identity of the compound changes and  new compounds are…

Q: a.Write the reagents used in the following reactions. -OH ? CI ? O₂N O₂N- -OCH₂CH₂CI ?…

A:

Q: As discussed in the class, the 3D printing process shown below is a special type of…

A: CLIP stands for the continuous liquid interface production. It is method of 3-dimensional printing…

Q: 8. A 2-gram sample of carbon dioxide is stored in a container at a temperature of 298 K and 100 kPa…

A: According to the question, The mass of the carbon dioxide is = m =  2 g The temperature of the…

Q: Н. H

A: Due to greater electronegativity of nitrogen as compared to carbon , the proton attached to nitrogen…

Q: For the questions below, complete the sentences by circling the correct choice in parenthesis.…

A: We have find out the answer.

Q: Starting from benzene synthesize m-nitrobenzophenone

A: Benzene is a colorless or light-yellow liquid chemical at room temperature. It is used primarily as…

Q: In which of the following substances does the sulphur have an oxidation number of +7? A) H₂SO4 OB)…

A: For question 1, we have to find the substance in which sulfur has an oxidation number of +7. For…

Q: Calculate the heat of reaction AH for the following reaction: 2 HCl(g) + F₂(g) → 2 HF(g) + Cl₂(g)…

A:

Q: 10-What is the pH of a buffer solution where [HA] = [A-]? a. pH = 1 b. pH = pOH c. pH = Ka d. pH =…

A:

Q: If 11.74 liters of gas at STP are pumped into a basketball, how many moles of gas are in the…

A: The number of moles of gas at a given temperature and pressure depends on the volume of the gas and…

Q: A student performed Lucas test and observed white turbidity, the compound is most likely which of…

A: The Lucas test:   It is used to differentiates primary, secondary tertiary alcohols using a solution…

Q: Directions: Complete the chart. Use the crisscross method to determine the formula. Compound Cation…

A: The complete chart to the above question is given below

Q: What is(are) the product(s) of the reaction below? О O НО Br + ОН ОН ‘ОН + + ОН но + ОН “ОН

A: I have find out the answer of the given reaction

Q: Classify this alcohol as primary, secondary, or tertiary alcohol.

A: The classification of alcohol is done on the basis of the number of carbon atoms attached to the…

Q: Two nitro (NO₂) groups are chemically bonded to a patch of surface. They can't move to another…

A: Given that: Initial value of rotational kinetic energy, Er1 = 63 ε Final value of rotational kinetic…

Q: Please use this info to answer each question W³+ (aq) + 3e- → W(s); E° = 2.72 V Pb²+ (aq) + 2e- →…

A:

Q: Total number of stereoisomers possible for the following compounds is OH OH HO D

A: Exact mass is the total mass of the molecule by adding exact masses of the most abundant isotopes of…

Q: CH3CH₂C=CCH3 H₂ Pd on CaCO3 Pb(OCOCH3)2 + quinoline

A:

Q: What are the mole fractions of ethanol and water when 50 ml of each are combined? (dwater:1 g/mL,…

A: The mole fractions of ethanol and water in the mixture are 0.24 and 0.76, respectively. The detailed…

Q: Calculate the heat of reaction AH for the following reaction: 2 HBr(g) →H₂(g) + Br₂(g) You can find…

A: Bond energy is defined as the energy needed to break a specific chemical bond. The total bond energy…

Q: A 35.0 mL of 1.00 x10-2 M Ca²+ was titrated with 0.0250 M EDTA at a pH of 10 and in the presence of…

A: Given: Ca2+ Volume = 35.0 mL Concentration = 1.00 x 10-2 M EDTA Concentration = 0.0250 M pH =10…

Q: What is the major and minor product? D2 Pt

A:

Q: 20. What is the most likely structure of the UNKNOWN COMPOUND (MF=C6H140)? IR: strong peak at 3000…

A: Given that, Molecular Formula= C6H14O Strong IR peak at 3000 cm-1 H NMR data are given below:

Q: What is the Importance of kinetics and chemical equilibria in the development of point of care…

A: Point-of-care technologies are medical devices or systems that are designed to be used at or near…

Q: What volume of 6.27 M AgNO3 (169.87g/mol) would be required to precipitate all of the I in 73.62 mL…

A: To find out the volume of AgNO3, first convert the concentration of KI in M and then use the…