help figuring this out chemistry questions

Q: A chemist titrates 180.0 mL of a 0.3453 M acetic acid (HCH₂CO₂) solution with 0.3063M KOH solution…

A: The question is based on the titrations.  we are titrating a weak acid Acetic acid with a strong…

Q: 23 An oxygen atom has a mass of 2.66 x 10 g and a glass of water has a mass of 0.050 kg. Use this…

A: We’ll apply mole concept to Solve the above question .

Q: A sample of an unknown compound is vaporized at 150. °C. The gas produced has a volume of 840. mL at…

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Q: Provide balanced equations for the following: 1)___C7H14 + 0₂ _CO2+ __H2O Type here to search KO₂ +…

A: Given : unbalanced reactions  Tip : multiply with smallest whole number, on less number of atom side

Q: 2. Use Slater's Rules to calculate the effective nuclear charge (Z*) in the following: a) a 4s…

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Q: nan the HCO2H solution. Which reaction is more product-favored at equilibrium? HCI(aq) + H2O(t)…

A: HCO2H is favoured in forward direction  HCL gives high electrical conductivity because it is not…

Q: <Homework 9C-Attempt 1 Exercise 8.101 Part A Explain why atomic radius decreases as you move to the…

A: Atomic radius is the distance from centre of the nucleus to the outermost shell or valence…

Q: Identify the correct statement. The (phi) and (psi) angles of a peptide bond describe rotation about…

A: Due to resonance, the C-N bond in the peptide bond has a partial double bond.  The partial double…

Q: What kind of intermolecular forces act between a potassium cation and a formaldehyde (H₂CO)…

A: Given  Ion = k+  Molecule = H2CO  Molecule H2CO is a polar Molecule or dipole  Asking about force of…

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

A: Answer:Relation between standard Gibbs free energy change and standard cell potential is shown…

Q: Read sections 3-9, and 3-10 in Christian, 6h Ed. Use this information to answer the following…

A: In a measurement, uncertainty represents the incorrectness or error of measurement. Thie uncertainty…

Q: What is the coordination geometry of nickel tetracarbonyl (Ni(CO)4)? A) tetrahedral B) square planar…

A: Tetrahedral.

Q: a cool day the beach Isabella ants to propose to her boyfriend, she has a sign that reads, "Will you…

A: Given that Temperature = 21oC Weight of sign = 21.2 lbs Number of He balloons = 2 Proportion of…

Q: Measurements have shown that the concentration of salt in seawater is 35.5 g.L. Calculate the volume…

A: The volume of seawater that must be evaporated is = 14.8 L

Q: section in your e Text. A silver block, initially at 59.1 °C, is submerged into 100.0 g of water at…

A: Given, Initial temperature of silver = 59.1 °C Mass of water, mw = 100.0 g Initial temperature of…

Q: When copper metal is added to nitric acid, the following reaction takes place Cu (s) + 4 HNO3 (aq) →…

A: For the first question, we have to find the volume of NO2 gas that will be formed when 3.09 g of…

Q: 1. The data below show the concentration of N₂O5 versus time for the following reaction: N₂O5(9) →…

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Q: need help with this chemistry

A: Given: Volume of dioxygen consumed is 480 L/s. Temperature of the reaction is 179oC. Pressure is…

Q: Which of the following ions would be colored in solution? A) Hf*+ B) V5+ C) La3* D) Co3* E) Ti**

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Q: Draw the major product from this reaction. Use wedge and dash bonds to indicate relative…

A: We have to draw the major organic product of the given reaction.

Q: Which of the following molecules would most likely arise from the reaction shown? EtO LiN(Pr)2 OEt…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: A pure solid sample of Substance X is put into an evacuated flask. The flask is heated at a steady…

A: During transition of state of a substance temperature remains fixed.

Q: I need help to solve these solutions for my assignment about chemistry 11 to prepare for a test.

A: Hello. Since more than one question has been asked, the first question shall only be answered in…

Q: please answer the questions in the images (part of the same question) thank you

A: The Hund’s rule state that the pairing of electrons in orbitals does not occur until all orbitals…

Q: A chemist titrates 90.0 mL of a 0.3491M aniline (C6H5NH₂) solution with 0.0636M HBr solution at 25…

A: Information of question

Q: If the initial volume was recorded as 0.12 mL, and the final volume was recorded as 22.22 mL, what…

A: Please find your solution below : Titration is a quantitative method of chemical analysis used to…

Q: 7. [McQuarrie 4-7] Boron (Z= 5) has five ionization energies (all in al): 1.33, 4.04, 6.08, 41.5,…

A: a) The  atomic number of boron = 5. That means there are total of 5 electrons in boron atom. The…

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: Answer:- This question is answered by using the simple concept of dissolution of compounds in water.…

Q: A solution is prepared that is initially 0.090M in pyridine (CHN), a weak base, and 0.50M in…

A: Given,Initial,molarity of C5H5N = 0.090 Mmolarity of C5H5NH+ = 0.50 M

Q: Nitrogen forms a surprising number of compounds with oxygen. A number of these, often given the…

A: Given,  When nitrogen trioxide(NO3) react with oxygen ( O2 ) to form nitrogen dioxide ( NO2 ) and…

Q: 1. Using the graphs of the food dyes created from your data, use the Imax to determine the amount of…

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

Q: Element Q has only two isotopes. "Q has a mass of 78.918 amu and a percent abundance of 20.59%. The…

A: The given element has two isotopes, 79Q has a mass of 78.9118 amu and a percent abundance of 20.59…

Q: An analytical chemist is titrating 157.5 mL of a 0.6800M solution of cyanic acid (HCNO) with a…

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Q: We now turn to an energy diagram showing all the transitions between the n = 1 and n = 6 levels.…

A: When emission of a photon occurs from a higher energy level to the lower energy level, for example…

Q: Draw the main organic products of the reaction. Indicate the stereochemistry, including all hydrogen…

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Q: name formula HNO₂ 4.5×104 acetic acid HCH₂CO₂ 1.8 × 10 -5 acid nitrous acid solution 0.1 M NaNO₂ 0.1…

A: A large Ka indicates a strong acid and a small Ka indicates a weak acid.

Q: Which of the following acids would be capable of reacting with a silicate (SiO2) mineral? A) HF B)…

A: silicon dioxide generally Known as silicate not easily reactive with acids in normal conditions but…

Q: It takes 348. kJ/mol to break a carbon-carbon single bond. Calculate the maximum wavelength of light…

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Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: Answer: When two atom have same atomic number but different mass number then they are called as…

Q: = Knowledge Check Complete the following table. Be sure each of your answer entries has the correct…

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Q: Boron control rods are used in nuclear reactors to absorb neutrons. What nuclide forms when 10°B…

A: Boron control rod are used in nuclear reactions toabsorbs neutrons. When B10 absorbs one neutron and…

Q: B Screenshot (png Distance: 1 biz = 4250 ftz 1 inz = 3.41 c-mz Volume: 1 gaz = 2.8 qtz = 13.8 Lz 1…

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Q: To identify a diatomic gas (X₂), a researcher carried out the following experiment: She weighed an…

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Q: Ammonia has been studied as an alternative "clean" fuel for internal combustion engines, since its…

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Q: Draw structural formulas for the diene and dienophile that combine in a Diels-Alder reaction to form…

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Q: Dalton's law states that the total pressure, Pal of a mixture of gases in a container equals the sum…

A: According to Dalton's law of partial pressures, the total pressure by a mixture of gases is equal to…

Q: An analytical chemist is titrating 166.5 mL of a 0.6300M solution of hydrazoic acid (HN3) with a…

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Q: Each pictured Lewis structure is invalid. Identify the error in each case. EF:

A: 1) CO2 The given structure is wrong due to incorrect octect rule. Correct structure is given below.