Does the pH increase, decrease, or remain the same when each of the following is added? EXPLAIN:  (a) sodium formate to a solution of formic acid; (b) HCl to a solution of NaC2H3O2?

Q: Ses an isotope produced from atmospherc testing of maclear bombs. lf nucler testing was stopped in…

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Q: You are synthesizing aspirin. You start with 3g of salicylic acid (mm 138g/mol). If you end with…

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Q: Name the following compound H2N O (2E.45)-4-bromo-3-vinylhept-2-en-5-yn-2-amine O…

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Q: Which of the following compounds will result from the reaction between propene and HBr? A.…

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Q: 2. If the standard enthalpy change, (AH°) and the standard entropy change, (AS°) for the dissolution…

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Q: Name the major product of the reaction between (S)-2-bromohexane and KCH3COO. Be specific with the…

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Q: what is acid-base equilibrium or electrochemistry? what are its practical applications?

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Q: Electrolytes have a greater effect on colligative properties than nonelectrolytes do because…

A: Electrolytes are all those Substances which produce their constituent cations and anions on…

Q: When [Cu2+] = 1.37 M, the observed cell potential at 298 K for an electrochemical cell with the…

A: Given-> [Cu2+] = 1.37 M T = 298 K Ecell =2.804 V

Q: A student wants to calculate density of Xe at 359 Torr and 316 °C, by using Universal gas constant…

A: We are required to find the density of xenon using ideal gas equation

Q: What happens to bromine when it is adjacent to an alkene during a chemical reaction? A. Bromine…

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Q: When [Hg2+] = 1.31 M, the observed cell potential at 298 K for an electrochemical cell with the…

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Q: C. 22.97 torr D. 78.12 tor 72. A 0.25g of a certain substance is dissolved in 60g of water. The…

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Q: Consider a tritation of 25.00 mL of 0.112 of NaOH with 0.100 of HCl. a) determine the pH before…

A: Given,  A titration of 25.00 mL of 0.112 of NaOH with 0.100 of HCl  The pH of the solution before…

Q: 73. The reagent KMN04 is used to completely oxidize acetylene. What is an expected property of the…

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Q: 25. When CH3OH is dissolved in water, how many particles are in the solution? А. 1 В. 3 С. 5 D. 6

A: 25. CH3OH ( methanol ) is a molecular compound. The atoms in it are bonded through covalent bonds.…

Q: Which of the following statements is TRUE regarding the natural steroid, progesterone? H H C-H H-C-H…

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Q: II. Direction: Carefully read the following word problems. From the knowledge and skills in…

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Q: C. Structure 3 D. Structure 4 51. Which aromatic structures contains functional groups which are…

A: Electron donating group: Those functional group which have tendency to donate electron pair is…

Q: please determine the molar solubility of Mg(OH)2 in a solution buffered at a pH of 8.

A: Given:: pH = 8 Ksp of Mg(OH)2= 5.61×10-12 Molar solubility of Mg(OH)2= ?

Q: H. ame the compounds

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Q: The equilibrium constant, K, for the following reaction is 2.05x10-5 at 526 K. NH4CI(s) NH3(g) +…

A: Equilibrium constant for the following (forward) reaction is 2.05 × 10-5 . NH4Cl(s) <--->…

Q: Sc+ S -->   Write the electron configurations using noble gas configurations for  each element and…

A: Electronic configuration   Sc - [Ar] 3d¹ 4s²   Most stable ion of scandium Sc3+ - [Ar] 3d0 4s0…

Q: At 20 °C, the following concentrations were found for the gases in an equilibrium mixture for the…

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Q: A patient with emphysema is breathing pure O2 through a face mask. The cylinder of O2 contains…

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Q: Refer to the attached photo for the following question If bromine water is further added to the…

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Q: urgent. provide the answer only

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Q: In test tube B, with 5 grams of sugar. After stirring, heating and filtering. A small amount of…

A: Given: In test-tube B, with 5 grams of sugar. After stirring, heating and filtering. A small amount…

Q: oh−

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Q: 5. Barium chloride is reacted with sodium sulfate to produce barium sulfate and sodium chloride. How…

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Q: A voltaic cell has the following initial state: Cr (s) | Cr (aq, 2.0 M)|| C* (aq, 9.0 M) | Cr (s)…

A: The cell given is, Given: Volume of cell = 1.00 L And current = 26 A

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Q: warm KMNO4 HO.

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Q: how the following balanced in order for me to understand? Thank you!    Cr+ O2 -> Cr2O3 Cu2S + O2…

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Q: 8 Compound B and C are hydrocarbons with the structural formulae as shown beleu CH3 CH3 C (a) Name…

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Q: Find the molar solubility of BaCrO4 (Ksp= 2.1 × 10−10) in   (a) pure water  ____ × 10___M   (b) 3.8…

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Q: Consider the phosphorous atom (P), then fill in the blanks and answer these questions. There are…

A: In the phosphorous atom, there are 5 valence electrons.

Q: How was the precipitate obtained after filtration?   By scraping from the filter paper and…

A: Filtration is used to separate an insoluble solid from a pure liquid or a solution

Q: Beta particles are best described as _ ejected at high speeds from a radioactive nucleus. positive…

A: Radioactive decay is the emission of radiation from the unstable nucleus is called radioactivity .…

Q: Complete the following nuclear bombardment equation by filling in the nuclear symbol for the missing…

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Q: Consider the structure of cyclohexene, if it undergoes epoxidation followed by exposure to water,…

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Q: Identify the SYSTEMATIC name of the molecule that is illustrated in this item. *

A: 1. Select the principle carbon chain 2. Numbering 3. Naming (prefix + word root + suffix)

Q: I. Balance each half reaction in basic solution. 1. Cr2O, → Cr³* 2. NO → NO3- 2 -

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Q: 8. 10 For each compound in the table below, decide whether there would be any hydrogen-bonding force…

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Q: Examine the following reaction. 3 CO 2 (g)+2 Fe(s) s Fe 203(s)+3 CO(g) What is the equilibrium…

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Q: Calculate to five significant figures the binding energy in J/nucleon of the nucleus of an atom of…

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Q: What is the pressure in atm of 3.02 g of H2 gas at 10.91 L and 291 K?

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Q: Calculate the equilibrium constant at 25C for the reaction of methane with water to form carbon…

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Q: eaction proceed far towards completion when equilibrium is reached? l HF was placed in a 1.00 L…

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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.