Chemistry Question

Q: What is the bond order of F2

A: The bond order is half of the difference between the total numbers of the bonding electrons and anti...

Q: How many grams of Kr are in a 4.84 L cylinder at 29.7∘C and 8.91 atm? mass in grams:

A: Given, Pressure, P = 8.91 atm Volume, V = 4.84 LTemperature, T = 29.7 °C = (29.7 + 273) K = 302.7 KN...

Q: 1. What type of reactions are the following reactions? REACTION ТYРE Ni(s) + 2 HNO3(aq) Ni(NO3)2(aq)...

A: The given reaction is a single displacement reaction

Q: 5.324 L of a gas is collected at 25.0°C and 846.0 mmHg. When the gas is changed to STP conditions, w...

A: As per the initial conditions given, first it is required to calculate the number of moles of gas pr...

Q: a. Calculate the energy of one photon with a wavelength of 121.58 nm b. Calculate the energy for a m...

A: (a) Energy of one Photon can be expressed as

Q: The following information is given for mercury at latm: AHvap(357°C)= 59.3 kJ/mol boiling point 357 ...

A: Given, mass of sample = 49.0g.Moles of mercury can be calculated as

Q: Lewis Structure of CHO2-

A: Lewis structure: Bonding of atoms in the molecule is represented by lines between atoms; covalent bo...

Q: A 2.66 g lead weight, initially at 10.6 ∘C, is submerged in 7.77 gof water at 52.6 ∘C in an insulate...

A: Given,Mass of lead weight, mlead = 2.66 gMass of water, mwater = 7.77 gInitial temperature of water,...

Q: 6. In the molecular weight determination by the Dumas method, as illustrated below, several grams of...

A: The mass of the bulb filled with vapor was 36.127 g;The mass of the empty (evacuated) bulb was 35.42...

Q: Use this information in the picture to write a rate law for this reaction and calculate the value of...

A: Let the rate law for this reaction be:

Q: Heat of fusion of ice is 6.00 kJ/mol. Find the number of photons of wavelength= 6.25x10^-6 m that mu...

A: The amount of heat required can be calculated as follows:

Q: When 24.0 g of calcium metal is reacted with water, 5.00 g of calcium hydroxide is produced. Using t...

A: Given dataMass of calcium = 24.0gMass of calcium hydroxide= 5.0g

Q: Methyl benzoate can be synthesized by a Fisher Esterification reaction, and then this ester can be u...

A: The percentage of the ratio of the amount of product produced to the amount of product experimentall...

Q: Which of the following gases has the weakest attractive forces between particles? A. CO2 B. He C. NO...

A: The types of attractive intermolecular forces are given below, Dipole-dipole forces,London dispersio...

Q: What is the pressure of N2 (g) inside a 20-L airbag that is inflated by the decomposition of 130 g o...

A: The moles of N2 is determined first.

Q: A sodium chloride solution (NaCl, MM = 58.44 g/mol) contains 35.675 g of NaCl and a total volume of ...

A: Given, mass of NaCl = 35.675g            Volume = 250.0mL            Molar mass of NaCl = 58.44g/mol

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 2.00kg sample o...

A: Given dataMass of C2H2Cl2 = 2.0kgTotal heat = 2.25x104 JTemperature difference = (16.5 - 6.3)°C

Q: Solve question a for 1,2 & 3. See instructions

A:

Q: An infants is 2 feet and 2 inches tall. How tall is the infant in cm?

A: Given,Height = 2 feet 2 inches.

Q: Sodium palmitate is a soap with the molecular formula C16H31O2Na. Draw its structure.

A: Soap molecules contain alkyl chains and COO-Na+ groups.  In this, alkyl chain is non-polar and COO-N...

Q: How do electrons work in total ionic equations?

A: The total ionic equation and net ionic equations are two different concepts. In total ionic equation...

Q: L Submit Question 29 of 43 Complete the balanced molecular chemical equation for the reaction below....

A: The given reaction is a double replacement reaction and the reaction occurs as follows.

Q: Pyridine (C5H5N) is a particularly foul-smelling substance used in manufacturing pesticides and plas...

A: Given:Kb = 1.4×10-9[C5H5N] = 0.145 MChemical reaction is given by:

Q: 11.38 (a) Would you expect the viscosity of n-pentane, CH3CH2CH2CH2CH3, to be larger or smaller than...

A: The viscosity of a fluid depends on the intermolecular force, dispersion force, and the shape of the...

Q: 13. Consider the following formula equations. Balance the equations and then write the net ionic equ...

A: The complete molecular equation for the reaction (a), multiply the species HCl(aq) with 2.

Q: The covalent bond that links two sugar monomers is known as a:   A. Peptide bond   B. Hy...

A: A glycosidic bond is formed as a result of dehydration or condensation reaction

Q: An electron in a hydrogen atom is excited with electrical energy to an excited state with n=2. The a...

A: When a hydrogen atom absorbs a photon of electromagnetic radiation (EMR), the internal energy of the...

Q: Solve question b for 1,2 & 3. See instruction

A: 1.The cell potential for given Fe|Fe2+ Pb|Pb2+ is as follows,

Q: Al:CuCl2 ratio Mass of Al (g) Calculated mass of CuCl2 (g) 1:1 mass ratio 0.250   2:1 mass ratio...

A: Mass ratio:

Q: Consider the following diagram of reactant particles: If these reactants undergo the reaction descri...

A: The reactant that runs out first in any given reaction is said as limiting reagent.

Q: One of the radiographic devices used in a dentist's office emits an X-ray of wavelength 2.090 × 10−1...

A: The frequency (v) of the given x-ray is calculated using equation (1) in which c is the speed of lig...

Q: A hypothetical molecule, X–Y, has a dipole moment of 1.83 D and a bond length of 169 pm. Calculate t...

A: Calculation of percentage ionic character based on dipole moment:Dipole moment of hypothetical molec...

Q: How would you increase in the concentration of the reactant affect miles of reactant?

A: Let us consider a reaction which is in equilibrium and is represented by the equation (1).When any r...

Q: A solution of NaCl(aq)NaCl(aq) is added slowly to a solution of lead nitrate, Pb(NO3)2(aq)Pb(NO3)2(a...

A: The given reaction proceeds in the following way

Q: Enter your answer in the provided box. The pH of a certain orange juice is 3.78. Calculate the H+ io...

A: Given,The pH of a certain orange juice is 3.78

Q: A chemist prepares a solution of copper(II) fluoride (CuF2) by measuring out 1.4 mg of copper(II) fl...

A: Step 1Given information:Mass of copper(II) fluoride = 1.4 mgVolume = 300 mL

Q: What is the quantity of heat energy is required to decompose 46.6 g of liquid water into hydrogen ga...

A: Number of moles of water is determined as follows,

Q: Two particles with charges ?1q1 and ?2q2 are separated by distance ?.d. Arrange these scenarios acco...

A: The magnitude of the electrostatic potential energy can be calculated as follows,

Q: Identify the hybridization of the central atom in each of the following molecules and ions that cont...

A: The mixing of the wave function of the orbitals to obtain the orbitals of same energy is called hybr...

Q: 12. Many common titrations involve the reaction of an acid with a base. A 15.00 mL sample of H2SO4 s...

A: Solution stoichiometry involves the calculation of concentration of solutions in the given condition...

Q: HCI VIO 4. Draw the Lewis structures for the following: (a) K (b) Cl (d) Ca2 (c) O2 nolar and which ...

A: Lewis Structure is a very simplified representation of the valence shell electrons in a molecule. It...

Q: Calculate the energy required to heat 566.0mg of graphite from 5.2°C to 23.2°C. Assume the specific ...

A: As per the data given in the question,Mass of graphite, m = 566.0 mg = 0.566 g (As 1 g = 1000 mg)It ...

Q: Calculate the percent dissociation of the acid in each of the following solutions.a. 0.50 M acetic a...

A: a)Percent dissociation of 0.50 M acetic acid:ICE table for the given reaction is,

Q: How many moles of HCl are present in 39.5 mL of 0.177 M HCl?

A: Molarity is the described as the number of moles present in 1 L solution. Molarity is expressed in m...

Q: What are some common strong nucleophiles in organic chemistry?

A: Strong nucleophile means an atom or a group carry lone pair of electrons. It is effectively go to at...

Q: 61% iPad 2:20 PM + openvellum.ecollege.com Search Textbook Solutions | Chegg.com Answered: Which of ...

A: The method to prepare a 2.0 L solution of 1M MgCl2 from a 4M MgCl2 stock solution is to be described

Q: Can you please explain electron configurations in great detail?

A: The electron configuration is the distribution of electrons of an atom or molecule (or other physica...

Q: 11.4 If 42.0 kJ of heat is added to a 32.0-g sample of liquid meth- ane under 1 atm of pressure at a...

A: Heat (q1) needed to raise the temperature from -170oC(103 K) to boiling point -161.5 oC (111.5 K)can...

Q: Draw the major product formed from the following elimination reactions.

A: The first reaction is

Q: Toluene, C6H5CH3, is oxidized by air under carefully controlled conditions to benzoic acid, C6H5CO2H...

A: The actual yield of benzoic acid is 1.21 kg when 1 kg of toluene reacts with oxygen. To calculate th...