Chemistry Question

Q: A chemistry graduate student Is given 450. mL of a 1.00M chlorous acid (HCIO,) solution. Chlorous ac...

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Q: The change in internal energy for the combustion of 1.0 mol of octane at a pressure of 1.0 atm is 50...

A: Given : Change in internal energy = 5084.3 kJ Change in enthalpy = 5074.1 kJ Pressure = 1 atm No. of...

Q: Solve the question using the help given below

A: Answer :- 

Q: The volume of a gas at 99.0 kPa is 300.0 mL. If the pressure is increased to 188 kPa, what will be t...

A: To find the volume of the gas at 188 kPa if the volume of the gas at 99.0 kPa is 300.0 mL.

Q: I need help with this (Not honor class) (Not grading)

A: Fill in the blanks

Q: What is energy? Explain the difference between kinetic energy andpotential energy.

A: Energy in science is the capacity to work.  Energy can neither be created nor be destroyed but can b...

Q: Given Δ H system = -144 kJ and Δ S system = -36.8 J/K for a reaction,determine the lowest temperatur...

A: Condition for spontaneous reaction is ΔGsystem < 0 . Formula  ΔGsystem = ΔHsystem - TΔSsystem  0 ...

Q: Please draw the resonance structures as well as the resonance hybrid

A: Resonance structures can be drawn on the fact that pi bond electrons and lone pair electrons are loo...

Q: Draw out the mechanism to explain this reaction - pls include formal charges, lone pairs, curvy ar...

A: Reaction Mechanism SN2 Type 

Q: Some Radioactive Isotopes Useful in Medical Imaging Mode of Isotope Decay Half-life Use in Medical I...

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Q: Please draw the missing reactant and please answer questions A through E

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Q: Suppose you have a cube of pure manganese metal measuring5.25 cm on each side. You find that the mas...

A: Given data- cube of pure manganese metal measuring each side=5.25 cmthe mass of the cube =1076.6 gmo...

Q: When iron rusts, it undergoes a reaction with oxygen to form iron(III) oxide.4Fe(s) + 3 O 2 (g) → 2F...

A: Given :                     4Fe(s) + 3 O2 (g) → 2Fe2O3 (s) By stoichiometry of reaction : moles of O...

Q: A laser produces 20.0 mW of red light. In 1.00 hr, the laser emits 2.29 x 1020 photons. What is the ...

A: Given that: power = mW time = 1.00 hr number of photon = 2.29×1020 To find: wavelength of laser?

Q: What is the difference between a solute and a solvent?

A: Solution-  solvent - Major part of the solution are called solvent also we can say that the substan...

Q: Which electron transition produces light of the highest frequency in the hydrogen atom? a) Sp 1s b) ...

A: Correct answer is (a) 5p →1s . Photon of highest energy will release when the transition of electron...

Q: Would you recommend adding the phenolphthalein and methyl orange indicators together at the start of...

A:  In titration the equivalence point is known with the help of indicator which changes its color at t...

Q: The rate law for the reaction 2NOB1(g) 2NO(g) + Br,(g) at some temperature is A[NOBI] Rate = K[NOB1]...

A: We have given that  a) t1/2 =  2 s {NOBr]0 = 0.9 M  k = ?  b) [NOBr]t = 0.1 M  t = ?   

Q: During an energy exchange, a chemical system absorbs energy from its surroundings. What is the sign ...

A: ∆Esys is the change in the energy of the system.

Q: Write a complete equation for the acid hydrolysis of pentyl butyrate. Write the IUPAC name for each ...

A: Hydrolysis is the process in which the addition of water molecules takes place that is used to break...

Q: Please solve it within hour

A: Ph of diprotic acid is double the concentration of the acid as on dissociation it will give 2 H+ ion...

Q: Complete the following table. Element Symbol Nuclear Symbol Protons Neutrons Electrons 46 35 Br 79 B...

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Q: Order these chemical speces by increasing pl of an 0.1 M aqueous solution of each. That is, imagine ...

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Q: The single proton that forms the nucleus of the hydrogen atom hasa radius of approximately 1.0 * 10-...

A: Solution- when 1 m = 100 cm   and 1 m = 1012 pm   now, proton radius =1.0×10-13cm ×1m100cm=10-15mpro...

Q: Are the compounds in each pair constitutional isomers or are they not isomers of each other?

A: Constitutional isomers: These are the pair of isomers that have same  molecular formula but differen...

Q: What is electron affinity? Do electrons flow toward a chemical with a higher or lower electron affin...

A: Electron affinity is defined as the change in energy (in kJ/mole) of a neutral atom (in the gaseous ...

Q: Obtain compression expansion work for van der Waals gas when the process is performed at a constant ...

A: At constant temperature means Isothermal process So work done on Van der waals gas means real gas is

Q: Question 2 please help.

A: Mass of Copper =M= 12 gInitial Temperature of copper = Ti = 25°CHeat absorbs =q = 226 JSpecific heat...

Q: What is the freezing point of a water solution with the total volume of 1.00 L, that is made by diss...

A: Normal freezing point of water = 00 C Density of water = 1Kg/L

Q: Calculate the amount of energy for a single electron in the n = 7 energy level of hydrogen. The Rydb...

A: The wavelength for the n = 7 energy level of Hydrogen can be given by - 1/^ = - RH (1/n2) Here - ^ =...

Q: At which portion(s) on the graph below is the average kinetic energy of the water molecules constant...

A: from graph Avg Kinetic energy of the Water Molecules become constant on position g and k So option 2...

Q: Balance the following equation:   _____ Nm2Bf3 (aq) + _____ Cv (s) à ______ Cv2Bf (aq) + _____ Nm (...

A: Since,  We know that,  Balanced equation means number of atom in reactant side is equal to number of...

Q: Explain the titration of Strong acid-Weak base such as HCl and HNO3 with graph?

A: An example of a strong acid-weak base titration is the interaction between ammonia (a weak base) and...

Q: Choose the best reagent(s) for carrying out the following conversion from the list provided below.

A: In the given problem primary alcohol is being converted to aldehyde .  It oxidation of primary alcoh...

Q: What is the role of a cofactor in enzyme activity?

A: ANSWERE IS GIVEN :

Q: 2 Magnesium carbonate and sulfuric acid react to yield magnesium sulfate, water vapor, and carbon di...

A: The enthalpy of a reaction is the difference between the enthalpies of Products and Reactants. It ca...

Q: Answer the following.

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Q: A system, which contains only molecules as reactantsand products, is at equilibrium. Describe what h...

A: Concentrations of all reactants and products remain constant at equilibrium state.  At equilibrium s...

Q: Reaction of butane (CH 3CH 2CH 2CH 3) with Cl 2 in the presence of light forms two different alkyl c...

A: Interpretation - Reaction of butane with Cl2 in the presence of light forms two different alkyl chlo...

Q: Chemistry Question

A: In the question we are given 6 compounds with their molecular weight, forces and structure.we have t...

Q: Why does the following reaction take place B₂O₃ + 3Mg → 3MgO + 2B   Does it have to do with the elec...

A: Answer:- This question is answered by using the simple concept of chemical reaction metals ands and ...

Q: Order the structures below according to increasing relative acidity from LEAST ACIDIC to MOST ACIDIC...

A: In this question, we want to arrange all the give Compound in Increasing order of Acidity means less...

Q: NO,(g) + CO(g) → NO(g) + CO,() epends only on the concentration of nitrogen dioxide below 25°C. At a...

A: The question is based on the concept of chemical kinetics. We have to identify the order of the reac...

Q: Which process changes a gas to a liquid? What happens during this process?

A: In liquid, the molecules are somewhat loosely packed and they do not have any shape of their own bit...

Q: Compound # of bonds # of lone pairs NH3 Single Double Triple # of electron clouds Electron-group Mol...

A: NH3 Molecular Information  mentioned in step-2  No of Single Bond = 3 Add it I didn’t mentioned in p...

Q: What is the density of a sample of nitrogen gas ( N 2 )that exerts a pressure of 5.30 atm in a 3.50-...

A: According to ideal gas equation  PV = n RT where P represents pressure, V is volume, n is mole, T re...

Q: :Using the following data.13 Fe3+ +3e- - Fe E° = -0.036 V Fe2+ +2e- → Fe E° = -0.447 V The standard ...

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Q: You need to make a large quantity of a 5% solution ofHCl but have only 25 mL HCl. What volume of 5%s...

A: The solution is a mixture in which the lowest amount (solute) is dissolved or distributed in a high ...

Q: Often, wireless networks called WiFi are used to transmit information from your electronic device to...

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Q: Write the full electron configuration for each element. a. Si b. O c. K d. Ne

A: For an element the arrangement of distribution of electrons in atomic orbitals is called electronic ...