Discuss the environmental significance of dissolved oxygen.

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A: The balanced chemical equation between NaCl and AgNO3 is represented as follows: NaCl+AgNO3 ↔…

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Q: The half-life of cesium-137 is 30.2 yrs. If the initial mass of a sample is 1.00kg, how much will…

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Q: Which of the species below, when dissolved in H,O will not produce a basic solution 15. a) NH3 b)…

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Q: Write the reactions involved for each step in the Winkler method. Under alkaline conditions…

A: The Winkler process is used to determine the concentration of dissolved oxygen in water. The amount…

Q: Given the following half reaction: a blt b. Pt| Fe",Fe c. Zn Zn d. Ag|Ag For each of the following…

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Q: Chemistry Table 12-1 Electrode Potential versus SHE in Titrations with 0.100 M Ce* Exercise-Ch. 12…

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Q: Chemistry 1) write data on this spectrum 275nm 85anm Peacantage ↑ absoabance

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Q: 2. Calculate the mass of hydrogen formed when 25 grams of aluminum reacts with excess hydrochloric…

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Q: CH3 +H20-> + H20 CH3-CH,-NH, + d. -CH -E-8 + OH CHz 04 CH2 + reducing -> agent CH2 O O HN -CH -

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A: The answer is given below

Q: SOLUTION pH [H*), M pOH [OH], M 0.0345 M HCI 0.000890 M Sr(OH)2 Mixture of 10.0 mL each of the 2…

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Q: What is the major organic product formed in the following reaction? OH H2 CH3MGB. H3C- -CH3 H;O* OH…

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Q: Hi! Could you explain how the molecular property of  acetylsalicylic acid and acetic acid…

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Q: How many moles of N2(g) gas are contained in 3.83 L at 59.0 °C and 852 mmHg?

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Q: 1.3. A copper cylinder has a mass of 65.5 g and a specific heat of 0.092 cal/g.°C. It is heated to…

A: Answer 1.3 mass of copper cylinder = 65.5 g specific heat of copper cylinder = 0.092 cal/g.0C…

Q: B. Directions: Write expressions for Ksp for each ionic compound. 1. PbCl, 2. AgCl 3. Al(OH), 4.…

A: Solubility product constant (Ksp):

Q: Calculate E, E, and AG for the following cell reaction: 3Zn(s) + 2Cr (ag) = 3Zn (ag) + 2 Cr (s)…

A: 1) To calculate E° , we would determine oxidation and reduction half reactions and use standard…

Q: खो जव पजो e ह Pि्ने कक्ट केकपलेपरर (मतु-तम (तम5ु)- ०H--CH,- CHO be the prodert it कैम्ट CH3-CH CCH3…

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Q: you need to make 450mL of a 4.5M solution of Sodium Chloride. The only available solution is 8.6M.…

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A: It is observed that turbidity may increase during the coagulation process of water. The reason is…

Q: Which of the following would yield (S)-2-butanol? i. CH;CO, Na (R)-2-Bromobutane ii. OH, H,O, heat…

A: Here we have to predict the reactions that can produce ( S)–2-butanol .

Q: What is standardization in acid-base chemistry? What constitutes a standard in analytical chemistry?…

A: Standardization is the process of determining the exact concentration (molarity) of a solution.…

Q: Press the hotspot that indicates the enthalpy of an exothermic reaction. Activated complex…

A: Exothermic reaction can be defined as the reaction in which there is release of energy in a chemical…

Q: what is the mass of the aluminum?

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Q: Procedure: Press 3-4 ping pong balls until it become dented. What would you do to a ping pong ball…

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Q: In replicate analyses, the carbohydrate content of a glycoprotein ( a protein with sugars attached…

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Q: Could you explain the main characteristics and occurences in nucleophilic acyl substitution? Thank…

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Q: A student prepares a 0.42 mM aqueous solution of propionic acid (C,H,CO,H). Calculate the fraction…

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Q: TRUE OR FALSE. Write T on the space provided if the statement is true. Write F if the statement is…

A: Le Chatelier principle says that equilibrium will shift in such a way so as to undo the effect of…

Q: How long, in hours, will it take to electrodeposit 181 g of aluminum in a cell with molten AICI3…

A: Given, mass of Al = 181 g Current (I) = 123 A Time (t) = ? Note: molar mass of Al = 27 g/mol

Q: How

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Q: Q8: Calculate (1) partial pressures, (2) mole fractions, (3) Concentrations, (4) densities of the…

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Q: Why are aldehydes more reactive with Schiff's Reagent and 2,4-dinitrophenylhydrazine than ketones?

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Q: a) What is the standard enthalpy of reaction per mole of either HCI or NaOH when 50.00 cm3 of 0.1…

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Q: A. To get the molar mass of the reactant/s and the product/s I need to:

A: Molar mass of the Molecule is the sum of atomic masses of all elements present in the given…

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Q: 09) What is the degree of the degeneracy of a state You for a particle confined in cubic box A)1 B)…

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Q: Directions: Choose the letter of the best answer. Use a separate sheet of paper. 1. Nutritional…

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Q: The pH factor is a measure of the acidity and alkalinity of water. A reading of 7.0 is neutral;…

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Q: Determine the Ksp of the following reactions. a. NaC2H3O2 ⇄ Na+ + C2H3O2- b. HBr⇄H++Br c. Zn(OH)2 ⇄…

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Q: Ni(CO)(CN)(en)]+1  has a square planar geometry and uses d2sp3 hybrid orbitals. True or false

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Q: Draw the product of the following reaction

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