A lake has been acidified to a pH of 4.325. If the lake has a volume of 9.65x104 cubic meters, what mass, in kg, of CaO must be added to raise the pH to a value of 7.00? Hint: The reaction of CaO with water is: CaO + H₂O kg Cao Ca(OH)2

Q: For the decomposition of N2O4(g) to NO(g) (at standard state conditions), what is the temperature…

A:

Q: AH (0.00°C) = 333.5 J/g ally at - 12.00°C. If the sample is heated at constant pressure (P = 1 atm),…

A:

Q: ОН ОН HCI на сто p-benzoquinone (1) Na2Cr2O7 H₂SO4 ОН ОН (2)

A: INTRODUCTION: [4+2] cyclo-addition reaction is commonly known as diels alder reaction.It is a…

Q: 7. Draw the endo transition state and predict the products, pay attention to regiochemistry A 2...…

A: According to the guidelines I have solved first three questions. I request you to please repost your…

Q: Sunscreens may contain para-aminobenzoic acid (PABA). The PABA in the sunscreen absorbs ultraviolet…

A: The structure of the para-aminobenzoic acid(PABA) is

Q: It is not necessary to include states such as (aq) or (s). If a box is not needed leave it blank. If…

A: Strong acid + strong base = neutral salt  Strong acid + weak base = acidic salt  Weak acid + strong…

Q: The activation energy for the gas phase decomposition of bromoethane is 219 kJ. CH3CH₂Br C₂H4 + HBr…

A:

Q: Convert the following units s (state any assumptions you have to make to do the calculations): 380…

A:

Q: For the chemical reaction HCN(aq) + KOH(aq) — H,O(l) + KCN(aq) write the net ionic equation,…

A:

Q: Which of the following is the correct IUPAC name of the following structure? O…

A: Given that, A branched skeleton chain of alkane. We have to assign nomenclature with R and S…

Q: In a certain electrolysis experiment, 1.44 g of Ag were deposited in one cell (containing an aqueous…

A:

Q: 5. Show the conjugate acid of each species. Which conjugate acid is the strongest. NH₂ d) CH₂C=C: b)…

A:

Q: 13) Carbocations can react with halides to produce carbon-halide bonds. Below are two reactions. The…

A: A question based on introduction to organic chemistry that is to be accomplished.

Q: Determine the number of atoms in 41.0 grams of vanadium, V. (The mass of one mole of vanadium is…

A:

Q: By titration, it is found that 29.9 mL of 0.108 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: Given - Volume of NaOH= 29.9 mL = V1  Concentration of NaOH= 0.1 08 M = M1 Volume of HCl =25.0 mL =…

Q: The table below shows six reactions, along with either the equilibrium constant (keq)or the free…

A: ∆G° = - RTlnKeq  If Keq<1, ∆G°>0 ( non-spontaneous reaction)  If Keq>1, ∆G<0…

Q: 16.9 Which of the following solutions can act as a buffer? (a) KCl/HCl, (b) KHSO4/H₂SO4, (c)…

A: 16.9 There are two types of buffer solution . They are -a. Acidic buffer : It is made up of weak…

Q: You were assigned a task to perform an audit on a chemical laboratory in which refined coal powder…

A: Coal have carbon, nitrogen and sulfur. Combustion of coal release COx, SOx, NOx and traces of heavy…

Q: Problem 4. How much heat, in joules, must be added to a 5.00 × 10²- g copper skillet to increase its…

A: Specific Heat capacity is amount of heat required to increase the temperatures of 1 gram of…

Q: Zinc reacts with hydrochloric acid according to the reaction equation…

A:

Q: 5. a) From the following chemical reactions identify (circle) the oxidation reactions. 0₂ Enzymes…

A:

Q: NiCl3NiCl3 is a strong electrolyte. Determine the concentration of each of the individual ions in a…

A: NiCl3 is a strong electrolyte and it dissociate as follows: NiCl3s  →  Ni3+aq  +  3Cl-aq

Q: 6) Complete the following table by calculating the atomic mass. Isotope Mass of Atom (u) ¹H 2H 12C…

A: we have to calculate the atomic mass of the given elements using the percentage abundance and mass…

Q: 7. H₂C 8. a YORK COLLEGE OF THE CITY UNIVERSITY OF NEW YORK Department of Chemistry NO₂ LOH HNO3…

A:

Q: A chemist is studying the following equilibirum, which has the given equilibrium const 2 NO(g) +…

A:

Q: Br ОН 1. LiAIH4 2. H2O OCH3 ОН Br 1. 2. H2O MgCl ОН

A: j) The reagents and products are shown below:

Q: Consider the molecular orbital model for these diatomic species: 0₂ O₂+ 0₂ Fill in the correct…

A: Given,  O2  O2+  O2-  We have to draw the above molecules MO

Q: Reactants Products -469.15 +-486.34 -215-73-726-13 NaOH +CH3COOH →→→→NaCH₂CoO + H₂O* AH°…

A: The given reaction is represented as follows: NaOH+CH3COOH → CH3COO-Na++H2O ∆H0=[-1011.96--955.49]…

Q: What is the oxidation state of each element in COH2?COH2?     What is the oxidation state of each…

A: The oxidation state of each element in COH2 and The oxidation state of each element in FeBr3

Q: Complete the following table. Mass of Sample 4.73 g C6H6 9 9 Submit Answer Moles of Sample 0.220 mol…

A: Given,4.73 g C6H60.220 mol H2O2.74 × 1022 molecules CO2Required,                  Mass of Sample,…

Q: The decomposition of a generic diatomic element in its standard state is represented by the equation…

A: Since X2(g) is in standard state, its Gibbs free energy is 0 i.e ∆Gf(X2, g) = 0 kJ/mol  First, we…

Q: H H | | HIC C-C=N: | | H H In how many sigma bonds does the highlighted atom participate? In how…

A: carbon atom have four valence and so maximum four sigma bond formed. When carbon atom have four…

Q: 18. табним из Cl₂ HCI, H2O 19. 12 (excess) OH

A: Organic reactions are those in which organic reactant react to form organic product. In the given…

Q: The chemical formula for potassium iodide is KI. A chemist measured the amount of potassium iodide…

A:

Q: How would you improve the quality of an NMR spectrum?

A: NMR spectrum provides information about the structure of molecule. The chemical shift values are…

Q: What is the hybridization of the central atom in the phosphorus tetrachlorate (PC₁4) anion?

A: General formula for hybridisation is given as:  Hybridisation number = (V +X -C + A)/2 Where , V is…

Q: Explain why olive oil won't dissolve in water but an ionic compound like potassium iodide (KI)…

A:

Q: 2. A cation in a solution is precipitated by addition of an anion containing solution (reagent).…

A: According to the given statement, A cation forms a ppt on adding an anion containing reagent and the…

Q: 1) How could the pair of structures shown be distinguished using IR spectroscopy? List the…

A:

Q: oxide and carbon dioxide as products: PbCO₂ (s) PbO (s) + CO₂ (9) Calculate the amount in grams of…

A: One mole of Lead carbonate decomposed to produce one mole of carbon dioxide and one mole of Lead…

Q: How many moles of H are there in 3.50 g of dopamine? How many O atoms are present in 1.55 moles of…

A:

Q: Calculate the predicted 13C chemical shifts for styrene.

A:

Q: What is the molecular formula of this organic molecule?

A:

Q: What NaClNaCl concentration results when 299 mL299 mL of a 0.820 M0.820 M NaClNaCl solution is mixed…

A:

Q: How many grams of HCL (MM=36.5 g/mol) are required to make up 2.00l of a 4.00 M solution of HCL?

A: Given information is  Molarity(M) of a solution is 4.00 M  volume of the solution, V = 2.00 L Molar…

Q: appropriate. H3C H₂CH₂C NC H NaOH NaOCH3

A:

Q: Your wastewater contains 50% of triethylamine, (C₂H5)3N. Calculate the theoretical carbonaceous…

A: 2(C2H5)3N + 3O2 = 3(C2H5)2O + N2 Molecular weight of (C2H5)3N = 101.19 g/mol. Here 2 mol (C2H5)3N…

Q: Draw the skeletal structure for the organic product of the following reaction e ΚΟ Give the organic…

A:

Q: What is the structural formula for 2-bromo-4-methyl-3-hexene? CH3-CH-CH=C-CH₂-CH3 O O O Br…

A: The structure of an organic compound is written in the following steps: Determine the number of…

Q: The amino acids have both an amine group and a carboxylic acid group. Below is glycine with…

A: Glycine  at different PH .