1.Describe the discovery of oxygen. 2.Give 10 different important uses of oxygen. 3.What is Ozone? Who discovered it? Give its occurrence and uses.

Q: Ingles How many isomers can the following molecular structure have? C4H10 F Pr

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Q: 3. Professor Jackson had an unknown alkene. She subjected it to ozonolysis and obtained two…

A: IR spectroscopy is used to determine the functional groups present in the sample. Different…

Q: The heat of fusion of water is 79.9 cal/g, The heat of vaporization of water is 540 cal/g, The…

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Q: description element in Period 2 and Group 8A. nmetal in Group 6A. lkali metal with a lower atomic…

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Q: In your group, depict how bonds break and reform in the chemical reaction for photosynthesis.

A: Given reaction CO2+H2O→C6H12O6 To depict how bond break and form in a chemical reaction

Q: side t level pressu You sure d. e. Using the assumption that 1gram of water is 1mL of volume, what…

A: d.) First we need to calculate the mass of O2 from given weight , then we can calculate volume .…

Q: Wine goes bad soon after opening because the ethanol (CH3CH₂OH) dissolved in it reacts with oxygen…

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Q: Given the balanced equation:  2 H2 + CO ? CH3OH ,  how many moles of CH3OH will be produced if 12.6…

A: The limiting reagent is the reactant that gets consumed first in a chemical reaction and therefore…

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

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Q: Part 1 What is a, the unit cell length, in nm, for aluminum? a = i Save for Later Part 2 nm What is…

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Q: PROBLEM SET (1); A calorimeter is to be used to compare the energy content of some fuels. In the…

A: The heat capacity of the calorimeter is the quantity of heat absorbed by the calorimeter for each…

Q: A calorimeter contains 25.0 mLmL of water at 12.5 ∘C∘C . When 1.70 gg of XX (a substance with a…

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Q: If 25.0 mL of 0.11 M methylamine (CH3NH₂) (Kb = 4.4 x 10-4) is titrated with 0.050 L of 0.64 M HBr,…

A: We are given that 25 ml of 0.11 M methylamine is titrated with 50 ml of 0.64 M HBr. We need to find…

Q: Write a balanced chemical equation, including physical state symbols, for the combustion of liquid…

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Q: Which of the following compounds is used to produce ATP by substrate-level phosphorylation in…

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Q: Draw th jor substitution products you would expect for the reaction shown below. If substitution…

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Q: Heating a 24g aluminum can raises its temperature by 15.0°C. Find the value of q for the can.…

A: Given data :  Weight of Al (m) = 24 g  Temperature (∆T) = 15.0°C  Specific heat (c) = 0.900 J/g °C…

Q: What is the pH of 0.0984 M HNO3? Answer to the Tenths place

A: Hydrogen ion concentration is an important parameter of an aqueous solution. The concentration of…

Q: Indicate the concentration of each ion present in the solution formed by mixing the following.…

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Q: A student found that 39.621g of copper wire displaced 4.51 mL of water. If the actual density of…

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Q: Consider the reaction C12H22O11(s)+12O2(g)→12CO2(g)+11H2O(l)C12H22O11(s)+12O2(g)→12CO2(g)+11H2O(l)…

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Q: Draw a skeletal ("line") structure of this molecule: CH3 CH3 CH2=CH—N—CH—CH3

A: Since, In skelton structure, not write the C and H atom when valency is not complete then assume…

Q: If the specific heat of a solution is 4.18 J/goC, and you have 209 mL (1.03 g/mL) which increases in…

A: Given: Specific heat capacity of water = 4.18 J/g. °C The volume of water = 209 mL The density of…

Q: A gas is measured to have the following mass, pressure, volume and temperature: m = 4.83 g, P =…

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Q: Consider the reaction: 2Na(s) + 2H₂O(l) → 2NaOH(aq) + H₂(g) Using standard absolute entropies at 298…

A: The entropy change for the system is calculated as: ∆Ssystemo=n∑Soproducts-m∑Soreactants ......(1)…

Q: In the Periodic Table below, shade all the elements for which the neutral atom has a valence…

A: Given : valence electronic configuration:ns2np5  Tip : halogen group have 7 valence electrons

Q: What is the pH of a 0.4888 M NaOH solution? Write your answer to the tenths place

A: pH = It is the measurement of H3O+ ion in a solution  pH = –log [H3O+] Similarly pOH = –log[OH–] And…

Q: WHAT IS GRIGNARD REACTION? WHAT CONSTITUTES A GRIGNARD REAGENT? 6. WHAT IS KETO-ENOL…

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Q: Identify the equilibrium expression for the reaction CH,CHO(g)CH₂(g) +CO(g). [CH,][CO) [CH,CHO] Ob)…

A: The given equilibrium reaction is CH3CHO (g) ⇌CH4 (g) + CO (g) The equilibrium expression for the…

Q: A chemical engineer must report the average volume of a certain pollutant produced by the plants…

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Q: Write the overall reaction for the RedOx reaction (below) when it occurs in an acidic environment.…

A: Oxidation: It involves the loss of electrons or increase in the oxidation state Reduction: It…

Q: Write a balanced equation for each reaction and determine which substance is oxidized and which…

A: First we need to write the reaction.  Oxidised substance is that which lose electrons and  whose…

Q: Place the compounds in the order they will elute from the column when separated using reverse-phase…

A: In reversed phase column chromatography the most polar compound is eluted first and the least polar…

Q: Predict the conjugate base of CH3C(O)CH3. A) CH3C(O)CH₂+ B) CH3C(O)CH₂ C) CH3C(O)CH₂™ D) CH3C(O)CH4

A: When a proton is removed from any acid then the anion which is formed is called as the conjugate…

Q: Above what Fe²+ concentration will Fe(OH), precipitate from a buffer solution that has a pH of 8.51?…

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Q: Classify each of the molecules in the table.

A: we have to classify the given molecules

Q: Write a chemical equation for the reaction of 1-butanol with each of the following: (a) Sodium amide…

A: The given reactions are used to synthesize different product from alcohol. The reactions involves…

Q: Identify the equilibrium expression for the reaction CH₂CHO(g) - CH₂(g) + CO(g).

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: This energy diagram shows the allowed energy levels of an electron in a certain atom. (Note: the SI…

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Q: (III S Try Again Your answer is incorrect. • Row 3: Your answer is incorrect. • Row 5: Your answer…

A: Lowest energy state is ground state Above ground states are excited state Absorption means takes…

Q: List the following acids in order of increasing acid strength when dissolved in water. EXPLAIN a)…

A: -> As the oxidation state of central atom increases acidity increases. -> If number of oxygen…

Q: Fluorine (F2), the most electronegative element reacts with water in a different way compared to…

A: Hess's law states that the enthalpy change for the overall reaction is determined from the sum of…

Q: How many grams of MgSO4 should be used if you desire to make 1.0 grams of MgCl?

A: Reaction is  MgSO4 + 2 NaCl →MgCl2 + Na2SO4 In this reaction, 1 mole MgSO4 produce 1 mole MgCl2.

Q: Write a balanced equation for the Alka Seltzer reaction where aqueous citric acid, H3C6H5O7, and…

A: Here Citrix acid is an acid and NaHCO3 is a base , so they will undergo neutralization reaction .…

Q: Name these organic compounds: structure CH3 | HOC-CH₂-OH | CH3 CH3 | CH3-C- CH2₂ - CH₂ | OH OH |…

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Q: Draw the major organic product of the reaction shown below. HO + HCI • You do not have to consider…

A: Tertiary alcohol with HCl results into substitution product.

Q: The energy E of the electron in a hydrogen atom can be calculated from the Bohr formula: R₂₂ E=- In…

A: Answer:- This question is answered by using the simple concept of calculation of wavelength of the…

Q: If HCI Is added the concentration of HCOOH Will ? Decrease  Increase  Or remain unchanged

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Q: 2. Draw a plausible mechanism for the following transformation: [H₂SO4] excess EtOH -H₂O EtO OEt

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Q: The following acid-base reaction occurs spontaneously in the gas phase at 25.0°C: NH₃(g) + HCl(g) ⇌…

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Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.