Which statement is true а. Galvanic cells involve non-spontaneous redox reactions b. The oxidizing agents give off electrons C. In chemical cells the electrons flow from cathode to anode d. Electrolytic cells need an external source of electricity to proceed

Q: To what temperature would the reaction below need to be heated to have a rate constant of 2.091e9 M-...

A: The objective of the question is to find the temperature to which the reaction is to be heated.

Q: Write the molecular formulas for the following structural formulas: (Write the formula using subscri...

A: We have to  calculate  no of carbon and hydrogen  in above molecule. 

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A: We have to predict the type of orbitals each lone pair present in.  

Q: Rank the following alkenes in order of decreasing values of Amax- structure A structure B structure ...

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Q: Select the arrangement in which these ionic substances are arranged from higher to lower potential e...

A: Lattice energy is a type of potential energy.  Lattice energy  ∝ z+z-    -----(1) Lattice energy ∝ 1...

Q: The initial concentration of aqueous hydrogen peroxide, H 2O 2, was 0.1463 M; after decomposition fo...

A: The balanced reaction given is, => 2 H2O2 (aq) → 2 H2O (l) + O2 (g)  Given: Initial concentration...

Q: ASSESSMENT: Directions: Choose the letter of the correct answer. If the answer is not found on the c...

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

Q: Ethane

A: We have to propose a synthesis from ethane to butan-2-one. The required synthesis is shown below  

Q: The boiling point of an alkane is lower than the alkane immediately after it in the series. Select t...

A: Boiling point is the temperature at which a liquid converts into vapour at given pressure. 

Q: What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen and 48.68% fluori...

A:

Q: Given the following calibration curve data recorded from a Ca-ion selective electrode. The unknown a...

A: Given Data:

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A:

Q: 2 NaCl + CaO →  CaCl2 + Na2O    What is my theoretical yield of sodium oxide if I start with 20 gr...

A: The balanced reaction given is, => 2 NaCl + CaO → CaCl2 + Na2O Given: Mass of CaO reacting = 20 g...

Q: An element consists of 4.35% of an isotope with mass 49.946 u, 83.79% of an isotope with mass 51.940...

A: Average atomic mass: The average atomic mass of an element is the sum of the masses of its isotopes,...

Q: CI

A:

Q: Which of the following is NOT true of electrons? Group of answer choices 1. they have a negative ch...

A:

Q: Experiment [H2] (torr) (ICI) (torr) Rate (torr/s) 250 325 1.34 250 81 0.331 50 325 0.266

A: Given : We have to calculate the rate .

Q: (a) SO,-Ph i nBuLi, THF SO,Ph Ph Ph i. PHCHO Na/Hg ÓAc . Ac0

A:

Q: [1] A solution contains 52.0 g of mannitol, C6H14O6, dissolved in 500 g of water at 30 °C. The vapor...

A:

Q: Use linear approximation, i.e. the tangent line, to approximate 2.86° as follows: Let f(x) = x³. The...

A: Given that : f(x)=x3

Q: 2. Write the product of the reaction below and all the mechanistic steps involved in its formation. ...

A: These reaction is known as transesterification reaction 

Q: Chemistry An element consists of 4.35% of an isotope with mass 49.946 u, 83.79% of an isotope with m...

A: calculate the average atomic mass- firstly multiply the fraction by the mass number for each isotope...

Q: 2. Complete the table below. Indicate what is observed if each test is positive. State what this res...

A: Completion of the table in which the indication what is observed if each test is positive is given b...

Q: Detailed information about John Dalton should include some biographical information (socioeconomic b...

A: John Dalton was the youngest of their three offspring who survived to adulthood.Dalton was born into...

Q: Some N2 gas is mixed with some O2 gas, and The picture shows a representative sample of the mixture....

A:

Q: A student used 10 mL water instead of 30 mL for extraction of salt from mixture. How may this change...

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Q: Identify if the compound is ionic (I) or molecular (M). Then write the chemical formula of the follo...

A: 1) Iodine heptafluoride = The given compound can be ionic and molecular. Its chemical formula is IF7...

Q: Rank each of the following compounds in decreasing order of reactivity towards Friedel-Crafts alkyla...

A: Friedel Crafts alkylation is the replacement of an aromatic proton with an alkyl group. This happens...

Q: Calculate the value of equilibrium constant Kc when: b. N2 reacts with H2 to produce NH3. At equilib...

A: Given: N2 reacts with H2 to produce NH3. The equilibrium concentration of N2, [N2 ] = 0.12 M The equ...

Q: A chemist working on the synthesis of (+) plocarpine, an akaloid used n the treatment of dry mouth a...

A:

Q: hat is the rate of formation of oxygen if the rate of decomposition of dinitrogen pentoxide is 2.748...

A: Given : 2 N 2O 5( sol'n) → 4NO 2( sol'n) + O 2( g)

Q: Predict the major product(s) you would obtain from sulfonation of o-dichlorobenzene. • You do not ha...

A: Aromatic electrophilic substitution reaction: Benzene and other aromatic compound gives mainly aroma...

Q: Explain how electrons are arranged within atoms

A: To explain: Arrangement of electrons in an atom.  

Q: 4. Which compound is considered as the conjugate acid? A. C2H5NH2 C. C2H5NH+3 В. НаО D. OH- 5. Which...

A: 4) the compound which is considered as the conjugate acid is 

Q: An atom with more electrons than protons is a negative ion. True or False

A: Please find your solution below : An atom is defined as the basic building block of matter.  It cons...

Q: Vanadium has two naturally occurring isotopes, 50V with an atomic mass of 49.9472 amu and 51y with a...

A:

Q: How many moles of sodium hydroxide are there in 1.00 kg of sodium hydroxide (Given Na=22.99 g/mol; O...

A: Given mass of sodium hydroxide = 1kg = 1000g  

Q: graphical information (socioeconomic background, family, education), his inital research focus, and ...

A:

Q: If an atom has 7 protons, how many electrons does it want to gain in order to fill its valence shell...

A:

Q: Rewrite this measurement with a simpler unit, if possible. g cm 3.6 2. cm 'cm

A: g = unit of mass cm = unit of length

Q: Explain how you could separate an equimolar mixture of Compound X, Y and Z. (a flow chart). HN OH Co...

A: The mixture can be separated based on their Solubility in different solutions.  

Q: The Latin word parum affinis means fatty. Select the correct response: O True False

A: Given statement is The Latin word parum affinis means fatty.

Q: and cis trans Explain why cis-bicyclo[4.1.0]heptane is more stable than its trans isomer.

A: Because of the bridge without any carbon ....(0) bridge. where the carbons in the nor-adjacent (1,3)...

Q: Reaction of hydrogen and nitrogen to form ammonia Hydrogen gas, H2, reacts with nitrogen gas, N2, to...

A: Please note: As per our company guidelines we are supposed to answer only three parts of one questio...

Q: What are the distinguishing features of gas and vapor poisoning compared with other types of poisoni...

A: A question based on catalysis that is to be accomplished.

Q: What is ΔS for the boiling of C2H5OH? Use the data given below. Assume that enthalpy and entropy val...

A: A molecule or an atom is in constant motion at normal temperature, the motion also includes vibratio...

Q: 5. Among many of the drugs studied for the treatment of cancer is the carboxamide derivative Poly (A...

A: Major product.

Q: Rank the gasses from highest to lowest global warming potential. (1 being the highest, 4 being the l...

A: The order would be : Carbon dioxide( CO2 ) > Methane (CH4) > Nitrous oxide(N2O)  Thus ranking ...

Q: Consider this reaction: 2HI (g) → H2 (g) +I½(8) At a certain temperature it obeys this rate law. rat...

A:

Q: how how the forward and reverse reaction rates respond to having some HOCl suddenly removed from the...

A: The reaction rate depends on the concentration of the reactant but the reaction rate does not depend...