How many moles of V are there in a sample of V that contains 5.56x1024 atoms? Submit Answer moles Retry Entire Group 8 more group attempts remaining

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Q: W4 Discussion Question 1: Chapter 6 Homework Core Chemistry Skill: Writing Positive and Negative…

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Q: Write the balanced equation for the following situation. In addition, list the reaction type. You…

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Q: Use the following Lewis diagram for methyl acetate to answer the questions: :0: +++ 0 - 3 2 H 1 H H…

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Q: Q12. A sealed flask containing nitrogen dioxide gas was maintained at 300-degree C. The…

A: We need to determine average rate of reaction with help of production of Oxygen.

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A: Arsenic acid, H3AsO4(aq) is a triprotic acid that can donate up to 3 protons to form conjugate base…

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Q: The pH of a chemical solution is given by the formula pH = -log10[H+] where [H+] is the…

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Q: enzoic acid (HBenz) has a Kvalue of 6.3 × 10-5. You need to prepare a buffer having a pH a of 4.05…

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Q: Write the balanced molecular equation and net ionic equation for the neutralization reaction between…

A: The net ionic equation in a reaction that lists only those species participating in the reaction.

Q: C. d. e. CH3. H CH2-CH3 (use cis/trans prefix when naming) ОН OH C Br Н

A: Since you asked multiple questions so as per Q&A guidelines of portal I solved first three parts…

Q: Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free…

A: We can solve Given problem by using formula ∆G° = - n× F× E°

Q: Constants | Periodic Table Imagine that you are in chemistry lab and need to make 1.00 L of a…

A: Given that, Molarity of NaOH = 0.05M  Molarity of HCl = 0.07 M  Accidently volume of NaOH added = 12…

Q: It takes 35.0 mL of 0.50 M NaOH to neutralize 20. mL of H2SO4, determine the concentration of the…

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Q: On step 1 when we need to find g/mol for Co/Cl2, how did you get 129.839 g/mol?

A: Molar mass of CoCl2 can be found out from their elements i.e. using the molecular mass

Q: 2.1) Draw the major organic product of the following epoxide ring opening reaction. Only the answer…

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Q: An ideal gas (which is is a hypothetical gas that conforms to the laws governing gas behavior)…

A: Concept based on thermodynamic laws.

Q: Write the name/structural formula of the following compounds:

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Q: Compare the momentum of a photon with a wavelength of 9.7´10-11 m to that of a 142 g baseball with a…

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Q: A cell utilizes the following reaction and operates at 298 K: 2H+(aq) + Zn(s) → Zn2+(aq) + H2(g)…

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Q: When the following molecular equation is balanced using the smallest possible integer coefficients,…

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Q: The pKa of hypochlorous acid is 7.530. A 58.0 mL solution of 0.126 M sodium hypochlorite (NaOCI) is…

A: The balanced equation for the reaction of NaOCl(aq) with HCl is: NaOCl(aq) + HCl(aq) → HOCl(aq) +…

Q: Draw the missing products or reagents in the following multistep synthesis. Ignore any inorganic…

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Q: Which of the following are extensive properties? Choose all that apply. Mass O Density O Volume…

A: In thermodynamics, two types of properties present- 1)Intensive property 2)Extensive property

Q: What amount of ethylene glycol (C2H6O2) would vaporize while absorbing 480 kJ of heat? Heat of…

A: Given: Amount of heat absorbed = 480 KJ Heat of vaporization = 60 KJ/mol To find: Amount of ethylene…

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Q: Consider the rotational-vibrational spectrum of a diatomic molecule. Intensity 0 2400 a. A and B b.…

A: In rotational-vibrational spectrum: Selection rule - ∆J = 0, ±1 When J = 0 then we get Q- branch.…

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A: Given,  The initial volume of a gas = 4.50 L.  The initial temperature of a gas = 0 °C The final…

Q: Criven kea= = 1.5 X 10-3 M Curen a Solution that is 0.265m malonic acid and 1.97 M Sodium malade ?…

A: From Henderson hasselbalch equation, we have pH = pKa + log [salt]/[acid]    ----(1) Given : Ka =…

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Q: H3C_0 CH3

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Q: the advantage of using Mass

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A: Concentration of unknown solution can be determined from the graph of concentration vs. Absorbance.

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Q: Y Part A An oxygen gas container has a volume of 20.0 L. How many grams of oxygen are in the…

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Q: Draw the condensed structural formula, or line-angle formula, if cyclic, for each of the following:…

A: For :  a) trans - 2,3-dichlorohex-2-ene.  b) 4-ethyl-1-cyclopentene.  Condensed structural formula =…

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Q: At a temperature of 927OC, the equilibrium concentrations for the reaction CO (g) + H2 (g) ⟺ ⟺ CH4…

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Q: 1.) Draw a) the constitutional formula of the compound ethylene oxide, and b) a section of the…

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Q: The formula for tetraphosphorus decaoxide is P4010. a. How many grams of phosphorus are present in…

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Q: most intravenous For injections, great care is taken concentration of the solutions to be injected…

A: The reason for this lies in the principle of osmotic pressure. We know that osmotic pressure (π) =…

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Q: Give a clear handwritten answer with explanation..give only handwritten answer Which characteristics…

A: The two quantum chemical calculations must have the same basis set and the same level of theory.…

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.