13. In order to calculate the number of neutrons you must subtract the from the Complete the following with the terms "new element", ion, isotope, or molecule. Add another atom OO с Atom Add or subtract an electron Add or subtract a neutron Add or subtract a proton -O

Q: Find the volume of 3.0 × 1025 molecules of Neon gas at STP.

A: We know that, at stp ( standard temperature and pressure) 1 mole of any ideal gas occupies the…

Q: Balance the decomposition reaction of sodium chlorate into sodium chloride and oxygen when heat is…

A: Many complicated compounds decompose into a number of simpler molecules during the breakdown…

Q: Calculate the mass of fluorine (in g ) contained in 61.0 g of copper(II) fluoride.

A: 1.Copper (ll) flouride is CuF2 . 2. Given mass of CaF2 is 61. 0 g    Mass of fluorine (F) =?

Q: The average human contains 3.0 liters of blood having a pH of 7.35. Calculate the number of moles of…

A: The relation between pH and concentration of H3O+ ions is pH=-log[H3O+]

Q: Calculate the concentrations of [H3O+], [HSO4-] and [SO42-] in 0.50 M sulfuric acid solution at…

A:

Q: Solid Pb(IV) oxide was placed in a 1-L vessel containing hydrogen as at a pressure of 3 atm PbO2 (s)…

A:

Q: A 0.235 g sample of a metal, M, reacts completely with sulfuric acid according to M(s) + H₂SO4 (aq)…

A:

Q: What is the electrostatic potential energy (in joules) between an electron and a proton that are…

A:

Q: A 0.5000 g primary standard sodium oxalate (Na2C204, FW=134.00 g/mol) was dissolved in 50 mL of 1 M…

A: Sodium permanganate has a strong oxidising effect. Although KMnO4 also serves as an oxidising agent…

Q: Draw the Lewis structure of the polyatomic ion FO 2 + . Don't forget the resonance structures (if…

A: Lewis structure : The structure in which simplified representation of the valence shell electrons in…

Q: The molecules of a certain gas sample at 321 K have a root-mean-square (rms) speed of 271 m/s.…

A:

Q: Which of the following bond is the most polar? H — F H — O C — N C — H C — O

A:

Q: e signature li ety. while 1. at 4. Work with another student. For the pairs of molecules in parts…

A: As per the bartleby guidelines I solving (A),(B),(C) and (D) subpart of the question number 4. If…

Q: 6. 7. 8. 9. 10. 11. O CHÍCH,C-0-CHCH, + NAOH CH,CH.CH CH,CH-C-OH- 1 CH. CH, CH₂CH.CH, ? OH 1 CH, and…

A:

Q: a) Draw the Lewis structure for BrF 5 b) State the VSEPR notation. c) Predict the shape of the…

A: Answer :

Q: When the actual yield is divided by the theoretical yield and multiplied by 100%, the: chemical…

A:

Q: At 1.00 atm and 0 °C, a 5.04 L mixture of methane (CH₂) and propane (C₂H₂) was burned, producing…

A: We have to calculate the mole fraction of methane and propane

Q: a) Draw the Lewis structure for BrF, b) State the VSEPR notation. c) Predict the shape of the…

A: a) Lewis structure: Lewis structure otherwise called electron dot structure explains the chemical…

Q: 4. Draw, label, and fill in the Molecular Orbital Diagram for the p system of the cylopentadienyl…

A: Cyclopentadienyl anion have 6π electrons .

Q: MeO. OMe CF3CO₂H H₂O CHCl3 0° C 1 hour HO OH Cyclic acetals are more structurally stable than open…

A:

Q: 5. An unknown compound, has the formula C7H₁4O. Explain and elucidate the structure by scrutinizing…

A: DBE is Double Bond Equivalent.  This DBE value gives idea about number of doublr bond, triple bond…

Q: II III IV

A: E2 mechanism undergo via transition state. In E2 the leaving group and leaving hydrogen must be…

Q: 0.0200 moles of hydroiodic acid was mixed with 500.0 mL of water. Calculate the pH of the solution.…

A: Moles of Hydroiodic acid dissolved= 0.0200 mole  Volume of water= 500.0 mL

Q: Consider this: PCIs decomposes to PCI3 and Cl2 according to the equation PCI5 = PCI3+Cl2 When a…

A: PCl5(g) = PCl3(g) + Cl2(g)…

Q: The correct order of increasing electronegativity of elements. Select one or more: S<CI<Se S<Se<CI…

A: we have to arrange S, Cl and Se in increasing order of electronegativity

Q: 1. Name the following alcohols using IUPAC Rules. (d) ОН OH (b) (e) B-CHCH, OH . OH (c) ОН он CH₂OH

A: Solution -1) 4- sec - butyl -2- hepatanol  2) 4-(1- bromoethyl) -3-hepatanol  3) 1- phenyl -1-…

Q: What is the electron pair geometry of CH2Cl2 ? (C is the central atom) linear tetrahedral bent…

A: Answer - Tetrahedral Central carbon atom surrounded by 4 pairs of bonded electrons and form…

Q: = ny In order to determine which atom is the oxidizing agent and which atom is the reducing agent in…

A: In a chemical process, an oxidant, also known as an oxidizing agent, obtains electrons and undergoes…

Q: 2. From the virtual observation, how will you know if a test has a positive result? Give example. 3.…

A: 2) Colour Change 3) The double bond is brominated. 4) Benzene is aromatic in nature.

Q: Homework: A 1.2gm sample of a mixture of (Na₂CO3 + NaHCO3) is dissolved and titrated with 0.5N HCl.…

A: Answer:

Q: hich of the following is/are the product(s) of this chemical reactio ammonia gas ammonium chloride

A: We are given a chemical reaction in which calcium hydroxide and ammonium chloride are mixed in a…

Q: Your answer must have correct sign (+ o r -) and must have 1 decimal place. DO N OT WRITE THE UNIT.…

A:

Q: (O₂N 1015MSC Chemistry of Biological Systems II N CI 99+

A: The selected functional groups and their names are listed below:

Q: Which of the following carbocations is the most stable?

A: Since, Carbocation stability measure by resonating structure. More the resonating structure, more is…

Q: Acrylonitrile and ethyl acetate have the same boiling point: 77.2ºC. In one to two sentences,…

A: The distillation process converts the liquid to vapor form, followed by condensation with cold…

Q: How do you think the Bre-X scandal could have been prevented?

A: The Bre-X scandal, in which a Canadian mining company falsely claimed to have discovered a massive…

Q: Alkalinity is normally measured in terms of CaC03. What is the formula weight of this compound? In…

A: Alkalinity, or the ability of water to neutralize acid, is the capacity of water to resist acidic…

Q: 4. If element X combines with oxygen to form an ionic compound X₂O, what is the charge of element X?…

A: 4. Here given---- X combines with oxygen to form an ionic compound-----  X2O Let, the oxidation…

Q: What is the total number of valence electrons for ClO4-? 30 41 32 42 31

A: Electron present in outermost shell of an atom called as valence electron of atom

Q: At equilibrium, is the sum of the concentrations of all of the reactants always equal to the sum of…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Deduce a possible structure for the compound with the IR absorptions below: C3H3Br: 3300, 2900,…

A: We have to draw a possible structure for the compound C3H3Br on the basis of given IR absorptions

Q: The percent yield should not be over 100%. True O False

A: Percentage yield is calculated from the actual yield and theoretical yield of product.  Percentage…

Q: Show the mechanism of the following reaction and predict their product. CH3CH2OH +H2SO4…

A: In elimination reaction an atom are group of atoms are removed from molecules and forms new pie bond…

Q: The two equations are reduction half-reaction. We have to create an electrochemical cell where the…

A:

Q: Indicate which pairs compounds, with the carbons shown, have the same oxidation level?

A: Oxidation level is decided on the basis of functional groups attached to carbon atom.

Q: Хон НЗО heat + л

A:

Q: what is the molecular geometry of KrBr₄?

A: The molecular geometry of the compound can be predicted using the Steric Number(S.N), which further…

Q: You were asked by your professor to create a galvanic cell using the half reactions below. Determine…

A: solution -  overall reaction - Cu2+(aq) + Sn2+(aq) → Cu(s) + Sn4+(aq) Reduction half reaction -…

Q: 6. If 4.00 moles of a gas at a pressure of 5.4 atmospheres have a volume of 120.0 liters, what is…

A:

Q: Is it possible to obtain the change of volume with respect to entropy, given an isochoric P-T graph…

A: This problem is based on Thermodynamics. This problem is a part of Maxwell's equation. The solution…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.