(a) 174Hf→ 170yb + ? chemPad XX→ b) 60 Co→ 60 Ni+? chemPad XoXº ↓ Help Greek Help Greek

Q: b. 13678= Estimated uncertainties in measurements are at least ±1 value in last reported digit.…

A: Given: For a) Length = 254.7 mm Width = 25.3 mm Height= 136.8 mm For b) Length = 254.8 mm Width =…

Q: Explain why it is possible to determine the charge of monoatomic ions from their position on the…

A: Octet rule is the tendency of atoms to prefer to have eight electrons in the valence shell. Electro…

Q: Which of the following species is/are not a resonance form(s) of the anionic species in the box? S S…

A:

Q: pressure 1.40 g of a polyethylene sample was dissolved in enough benzene to make 100. mL of…

A:

Q: Cl OH Can the highlighted labeled bond rotate 180° without breaking any bonds in the molecule? yes O…

A: Dear student since you have asked multiple questions but according to guidelines we will solve 1st…

Q: ) Why is the ionization energy required to remove an outer electron from Na+ so much greater than…

A: a) Electron configuration of Na+ ion is 1s2 2s2 2p6  and electron configuration of Na is 1s2 2s2 2p6…

Q: Ritonavir

A: Functional group: It is defined as the  groups of atoms in a compound, such as the hydroxyl group in…

Q: Atomic Model Quiz 1. Label the atom below (include the nucleus, protons, neutrons, and electrons) 2.…

A: We are to fill the missing information in blanks about atomic structure.

Q: 15. A solution is made by dissolving 7.5 g of K₂SO4 in enough water to prepare 750. mL of solution.…

A: Given: the mass of K2SO4 = 7.5 g The volume of the solution = 750 mL We have to find the molarity of…

Q: O methyl O ethyl O propyl butyl

A: Stereochemistry is branch of chemistry in which we deal with three dimensional arrangement of atoms…

Q: 1-chloro-1-methylcyclopropane + H20 1-methylcyclopropane + HCI

A:

Q: By definition, atoms are electrically neutral.  Is it possible for atoms of two different elements…

A: Atom consist of protons, neutrons and electrons.Protons and neutrons are present in nucleus of an…

Q: methanol is less polar than  water, but it is more polar than the C-18 molecule, a completely…

A: Solution: We know that polarity of any compound depends upon the resultant dipole moment. However…

Q: 1) Mg, EtO a grignard reagent? If so, how does it become a grignard reagent?

A: Alkyl Magensium halide RMgX are referred to as Grignard reagent. These can be prepared by the…

Q: An analytical chemist measures the amount of Elements E, and E, in four samples of an unknown…

A: Since the unknown substance, X contains elements E1 and E2, it can be either a compound of E1 and…

Q: B4. OH H CH₂OH H OH H H OH H O H Lactose CH₂OH H OH H H ОН H OH но, НО. H REXEL H H HO O OH OH H H H…

A: The question asks us to find some structural differences in lactose and sucrose.

Q: 1. The antibacterial activity of flavonoids was tested against the bacterial strain, Escherichia…

A: A question based on molecules that is to be accomplished.

Q: At a given temperature, you have a mixture of benzene [Pvap 745 torr) and toluene (Pvap = 290 torr).…

A:

Q: Which of the following species is not a resonance structure of the top species?

A:

Q: 21 Which best describes a gas? A. Molecules and atoms are in a fixed position. Their movement is…

A:

Q: Choose the correct molecularity and rate law for each of the elementary reactions shown below. (a)…

A:

Q: During melting point determination, what does melting point range means? How will you know if the…

A: The melting point of a solid substance is the temperature at which it changes from solid state to…

Q: Based on the nanomaterials and analytical methods, propose methods on mitigation of COVID-19 spread

A: COVID - 19 It is the broadest classification of RNA virus. It is frequently challenging to determine…

Q: 2. Some possible sources of experimental error are listed below. Tell whether the error would make…

A: 1.No effect  2.too high  3.too high  4.too low

Q: WRITE THE STRUCTURAL FORMULA OF THE FOLLOWING: (NOT SKELETAL FORMULA)   6. 2-METHYL OCTADECANE…

A: From the given iupac name now we have to draw the structural framework of the following compounds as…

Q: 58. Express the following quantities using scientific conventions and mathematical procedures,…

A:

Q: Krypton consists of several radioactive isotopes, some of which are listed in the following table.…

A:

Q: WRITE THE CHEMICAL FORMULA OF THE FOLLOWING COMPOUNDS. •Nitric acid •Nitrous acid

A:

Q: How many milliliters of a solution that is 10.57% (w/w) HNO3 with a density of 1.2306 g/mL should be…

A:

Q: 2. Use the Davies Equation to calculate the values of CK and pck from the corresponding values of K…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: Assuming only Nat is permeant, and Nat is presently in electrochemical equilibrium, what would be…

A:

Q: 3. Formulate the potential product(s), starting material or reagents of each of the following…

A: We have to write the regents , starting material or reactants in the given reaction sequence.

Q: Fe(NO3)3.9H₂0 + Bi(NO3)3.5H₂O + HNO3 (dil) iron nitrate nonahydrate A + C4H606 Tartaric acid bismuth…

A: The given series of reactions are the method of synthesis of homogenous solution of polymeric…

Q: How to calculate 14 weeks to seconds?

A: we have to calculate total seconds in 14 weeks

Q: A flask is charged with 0.110 mol of A and allowed to react to form B according to the following…

A:

Q: How much heat (in kilojoules!) is released when 2.0 grams of water cools from 110 to 55? (your…

A: Specific heat: It is the amount of heat released when 1 gram of a substance cooled by 1 degree…

Q: 1 What is chemistry? A. The study of composition of matter. B. The study of the behavior of matter…

A: Chemistry is the branch of science that deals with matter's composition and properties. Hence option…

Q: What is the vapor pressure of water at 80°C? The normal boilir point of water is 100°C. 0.48 atm 1.0…

A: Given,  The normal boiling point of water at 100 °C The vapor pressure of water at 80 °C is:

Q: S 1. 2. H3O+ FO, AICI 3

A:

Q: Geologists discovered the new heart- shaped mineral called Coeurenium. You want to calculate its…

A: In the given question no. 3 we have to calculate the density of Heart - shaped mineral that is…

Q: . What is the minimum radius for the host metal for a H atom (radius 37 pm) to fit in a tetrahedral…

A:

Q: 1. SYNTHESIS (Marriage) - Elements will combine EXAMPLE: A B Mg (mono) Cl (di) Cl₂ Mg ANSWER: MgCl₂…

A: Here we have to write the formula of the ionic compound formed in the following given synthesis…

Q: white reagents ب الله GH for each.

A:

Q: You are the public health officer in the water treatment facility for a city of 50,000 people. A…

A:

Q: IV- Fill the final answer: (1) In certain electrolysis, 0.156g of Zn is deposited in cell containing…

A: Electrolysis is proceed by the redox reaction. The redox reaction are defined as the reaction in…

Q: A…

A:

Q: Given below are the most important resonance structures for ethyl cinnamate and the product. a) For…

A:

Q: 4. Which of these compounds is more likely to be a general anaesthetic? Explain CH3CH2CH2OH or…

A: Given statement is :  Which of these compounds is more likely to be a general anesthetic ? Explain…

Q: At a given temperature, pentane with a vapor pressure of 624 torr is mixed with hexane with a vapor…

A:

Q: (a) What is the rate law for this reaction? O Rate = k [0₂(g)] [NO(g)] O Rate = k [0₂(g)]² [NO(g)] O…

A: The rate of a reaction is defined as the speed at which reactants are converted into products.  For…