ОН to CF3CO,H

Q: 10% (w/w) aqueous potassium iodide has a density of 1.202 g/ml. Which of the following statements is...

A: Molarity of solution is defined as number of moles of solute dissolved per litre of solution.

Q: MULTIPLE CHOICE: Write the letter of the correct answer. Write E if the answer is not found within t...

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Q: What volume of H2O, weighed in air against brass weights, would have to be placed in a flask at 27°C...

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are...

Q: 211.5g of glucose is dissolved in enough water to make 635.0ml of solution. (Molar mass of glucose i...

A: Given, Note: 1000 mL = 1 L Mass of glucose = 211.5 g Volume of the solution = 635.0 mL = 0.635 L Mol...

Q: The enthalpy of vaporization of Substance X is 5.00 mol and its normal boiling point is 27. °C. Calc...

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Q: Be sure to answer all parts. Predict the effect of decreasing the container volume on the amounts of...

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Q: The force between methylamine and acetate will be greater in methanol than in water because ________...

A: #Q.2: Both methanol(CH3OH) and water(H2O) are polar solvents capable of forming hydrogen bonding.  

Q: 2. Calculate the mass density of air at the surface of the Earth using the ideal gas law and assumin...

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Q: A charge of 7.15 mC is placed at each corner of a square 0.450 m on a side. Part A Determine the mag...

A: Apply Coulomb's law, F = Kq1q2/ r2

Q: References) What number of molecules (or formula units) are present in 5.12 g of each of the followi...

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Q: solution is prepared that contains 12.5 mL propylamine (CH3CH2CH2NH2, d = 0.719 g/mL, 59.11 g/mol, K...

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Q: [References) Predict the sign of AS and then calculate AS° for each of the following reactions. (Thi...

A: We'll have to remember some rules to predict the sign of entropy 1. Gases has higher entropy means i...

Q: Question #2 - Describe a physical change which has an impact on your daily life. How can you be sure...

A: Answer - According to the question - Physical change is an important concept in chemistry; it descri...

Q: When N2(g) reacts with O2(g) according to the following reaction, 82.1 kJ of energy are absorbed for...

A: Nitrogen reacts with oxygen to form dinitrogen oxide. The equation for the balanced chemical reactio...

Q: The 'H NMR spectrum of 1-nitronaphthalene recorded at 298K in CDC!3 solution is given below. The 2-d...

A: Every nuclei will have spin and if an external magnetic field is applied, there will be an energy tr...

Q: The airbags that protect people in car crashes are inflated by the extremely rapid decomposition of ...

A: Decomposition reaction is a reaction in which a single reactant decomposes to form two or more produ...

Q: 1. Write a balanced chemical equation, including physical state symbols, for the ロ→ロ decomposition o...

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Q: What mass of Cu(NO 3) 2 can be prepared from the reaction of 1.75 grams of copper with 5.00 grams of...

A: Given Data : 

Q: Consider this reaction: 2Cl,0; (g) → 2Cl, (g)+50, (g) At a certain temperature it obeys this rate la...

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Q: A compound decomposes by a first-order process. If 13% of the compound decomposes in 60 minutes, the...

A: Given values- Time = 60 minutes Decomposition = 13%

Q: .. Suppose you wanted to further purify the acidic or basic component of your mixture. What might be...

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Q: 4. Silver has a face-centered cubic unit cell. How many atoms of Ag are present in each unit cell?

A: Answer-4 Face centered cubic unit cell is the type of unit cell in which atoms are present at the ve...

Q: Ammonia, an important source of fixed nitrogen that can be metabolized by plants, is produced using ...

A:     Recall the Haber's process in which nitrogen and hydrogen are combined -                        ...

Q: What is the purpose of immersing the electrode in a saturated KCl solution? Is it proper to store th...

A: In electro chemistry electrodes generally dipped into saturated KCl solution and this can be found i...

Q: Nickel and carbon monoxide react to form nickel carbonyl, like this: Ni(s)+4 CO(g)→Ni(CO),(9) At a c...

A: Concentration of a solution can be measured in terms of molarity which is equal to number of moles o...

Q: What are the three groups of organic compounds that contain only carbon and hydrogen? Explain the di...

A: Organic compounds containing only carbon and hydrogen are called hydrocarbons. 

Q: Chromate-dichromate system 1. Prepare a clean spot plate and label four wells. Place 5 drops of 0. 1...

A: In a reversible reaction, the reaction takes place in forward direction as well as reverse direction...

Q: e empirical formula a compound is C 2H 4O and its molecular weight was determined to be approximatel...

A: Given; molecular mass = 44 g/mol

Q: to 11

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Q: MULTIPLE CHOICE: Write the letter of the correct answer. Write E if the answer is not found within t...

A: let us discuss step by step solution.

Q: 41) A teenage child in Wisconsin throws a chunk of sodium metal into a lake consisting of freshwater...

A: Given: mass of sodium = atomic number of fluorine = 9 kg = 9000 g density of water = 1.01 g/mL heigh...

Q: 2. How to find what a materials crystal structure is? (FCC, BCC or neither FCC or BCC or

A: We have to tell how to detect a material crystal structure is either FCC, BC, or neither FCC, or BCC...

Q: A student prepares a stock solution of BaF2 by dissolving 50.00 g of a BaF2 in 1.00 L of water. An a...

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Q: where does the rate constant depend? Select one: a. volume b. temperature c. concentration d. pr...

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Q: Calculate the concentration in ppm of cadmium in an unknown which exhibits an absorbance of 0.179.

A: Using given data a calibration curve generated in Excel by plotting Absorbance versus Concentration....

Q: The reaction below is exothermic: 2502 (e) - 02 e) = 2803 (e) Le Châtelier's Principle predicts that...

A: Given exothermic reaction is :  2SO2 (g) + O2 (g) <-----------> 2SO3 (g)   

Q: 4. A patient is injected with a drug every 12 hours. Immediately before each injection the concen- t...

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Q: place coefficients in the middle of a chemical formula. 1. Na + MgF2 > NaF + Mg 2. Mg + HCI → MgCl2 ...

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

Q: What is the product of the following reaction?

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Q: The equation for the formation of hydrogen iodide from Hz and Iz is: H,(2) +1,(g) 2HI(2) 2nd attempt...

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Q: Determine the Miller Index of the blue plane in the HCP crystal

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Q: A 7.50 g of solid compound RED was dissolved in 100 g water. The freezing point of the solution was ...

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Q: What are the units of a? What are the units of b? For water the numerical value of a is 5.464 and th...

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Q: The equilibrium constant for the gas phase reaction N2 (g) - 3H2 (e)2NH3 (2) is Keq =434 x 10-3 at 3...

A: For any chemical reaction, the effect of temperature on the direction of equilibrium will depend whe...

Q: Explain briefly the percent volume and percent retrieval in separation of mixtures.

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Q: The empirical formula a compound is C 2H 40 and its molecular weight was determined to be approximat...

A: Empirical formula is the simplest ratio of atoms present in molecule. Therefore ratio of elements C:...

Q: HOCH3 + H20 + НО OCH3 H;CO OCH3 This reaction is classified as: O addition

A: Organic reaction mechanisms:

Q: How many calories would be required to raise a temperature of 45 grams of sodium chloride from 300 °...

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Q: Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H2(g)→C4H10(g) AH°...

A: According to Hess's law change of enthalpy in a chemical reaction is same regardless of whether the ...

Q: Calculate the pH of a 7.51 M solution of HBRO. The K, of HBRO is 2.50 x 10. Express your answer usin...

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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.