2,2-dimethylbutane

Q: 21-30. 9.0 L of a gas is found to exert 83.0 kPa at 35.0°C. What would be the required temperature (...

A: 21-30 : V = 9 L(constant) P1 = 83.0 kPa T1 = 35oC = 308 K P2 = 101.325 kPa or 1 atm 31-40 : V1 = 4 L...

Q: Flammable liquids burn only when their vapor is mixed with air in the appropriate concentration. Whe...

A: Question 3  Flammable liquids catches fire when their vapours are mixed with air.  Several precautio...

Q: What is the major product obtained on interaction of ethanol with sodium hydroxide? Select one: a. N...

A: The feasibility of the given reaction depends on the strength of base used and the base formed as pr...

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 194.0 g sample ...

A: Mass of sample = 194 gram Initial temperature = - 8.3℃ Final Temperature , T2 = 4.5 ℃ Change in temp...

Q: Question 5 What are the components of the buffer solution when 0.20 mol H3PO4 is made to react with ...

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Q: Find the molarity of 0.13g of calcium hydroxide, Ca OH)2, 33.00 mL solution

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Q: ete chemical formula for the

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Q: How    many    molecules    of    Tris    are    present    in    5000    ml of    a    700mM    s-n...

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Q: Given the stock solution (0.019 M) and diluted solution (0.013M) can you help me compute with How m...

A: A solution is formed by homogenous mixing of solute and the solvent. The concentration is the measur...

Q: The acidity function of a solution that is produced when 20 ml of 0.1 M acetic acid is mixed with 0....

A: Concentration of 20 mL acetic acid = 0.1 M Concentration of 5 mL potassium hydroxide = 0.5 M Since K...

Q: unknown base with hydrochloric A mixture of an acid concentration was 0.01 normal, and the volume of...

A: A titration is the process of determining the quantity of a substance A by adding measured increment...

Q: Calculate the pH value of the resulting solution by titrating 0.1 molar ammonium hydroxide 100 ml wi...

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Q: radical polymeriza

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Q: Question 15 Heteroglycans consists of only one type of monomer and chitin is as example True False

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Q: What are the components of the buffer solution when 0.20 mol H3PO4 is mixed with 0.30 mol of the bas...

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Q: DDT, an insecticide harmful to fish, birds, and humans, is produced by the following reaction: 2C6 H...

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Q: Each of the following alcohols is named incorrectly. Draw structural formulas, and then give the cor...

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Q: Assuming you start with 1.25 g of pure aluminum, calculate the following: 1) The amount of potassium...

A: Mass of Al = 1.25 g 

Q: For which of the following reactions is AH equal to AH of the product(s)?You do not need to look up ...

A: The reactions given are,  

Q: Find melting points of the materials: Aluminum                                                      ...

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Q: 11 Give the missing reactant(s), product(s) or reagent(s) ONLY (no mechanisms). (Non-anonymous quest...

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Q: A chemist must prepare 0.675 L of 1.00 M aqueous nickel(II) chloride (NiCl,) working solution. She'l...

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Q: 13. For a radical reaction, put the following steps in the correct order: 1.Initiation 2.Propagation...

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Q: Question 3 Which of the following best describes the glycosidic bond in the disaccharide shown? CHOH...

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Q: For the following reaction, 52.7 grams of potassium hydrogen sulfate are allowed to react with 20.4 ...

A: Given,  Mass of KHSO4 = 52.7 g  Mass of KOH = 20.4 g  Mole = weight/ moleculer weight

Q: What will happen if the partial pressure of water at the pan temperature exceeds the partial pressur...

A: State change of a liquid depends on temperature and this temperature depends on the pressure of the ...

Q: 3. Ascorbic acid (vitamin C, C6H&O6) is a water-soluble vitamin. A solution containing 80.5 g of asc...

A: 3. Sol :-  Given,  Mass of C6H8O6 = 80.5 g  Mass of water = 210 g  Density of the solution = 1.22 g/...

Q: For the equation SnO2 + 2H2 → Sn + 2H2O, tin (IV) oxide reacts with excess hydrogen to produce tin a...

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Q: Match the pair of monosaccharides that exhibit the type of isomerism being described per item. Enant...

A: To match the pair of monosaccharides with the isomerism they exhibit.  

Q: 4.62 cm - 0.885 cm Questions and Problems Q.1 What is the combined mass in grams of objects that hav...

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Q: - Qualitative Analysis of Cations

A: All are group first cation hence it is analyses by group reagent dil. HCl on adding we get white ppt...

Q: Higher Rf value will be obtained from dextrin than that of glucose in a reverse-phase TLC.

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Q: What happens.if I diop autacid tablets. in glases.of Water.of.different.volumes.? Effect.of paricle ...

A: Antacid tablets fizz when they come in contact with water because of a chemical reaction. The water ...

Q: Question 37 Which monosaccharide is a deoxy CHO H но Но CH3 B. Rhamnose

A: Deoxy sugar is type of sugar

Q: Assignment: Balance these problems. Show your solution. (kindly refer to the picture on how must the...

A: For balancing the reaction,   The number of atoms in reactant side must be equal to the number of at...

Q: e compounds shown is consistent with the given IR spectrum?

A: In this question we have to choose correct option of the compounds shown in consistent with the give...

Q: For a 0.222 m aqueous solution of sucrose, C12H22O11, What is the boiling point?  kb = 0.512˚C/m

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Q: If 5 moles of age are added to 5 moles of O2, what is the limiting reactant?

A: If 5 moles of Ag are added to 5 moles of O2 the limiting reactant is given below.

Q: Calculate the number of moles in 13.6 g of magnesium phosphate. Group of answer choices 0.0517 mol 0...

A: The formula for the number of moles formula is expressed as

Q: a chemist adds 250.0 mL of a 0.053 mM sodium nitrate (NaNO, solution to a reaction flask. Calculate ...

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Q: Question 2 II Но Protein CH2OH CH;CNH B A HO II CH2OH CH,OH OH OH IV Which of the circled monosaccha...

A: A multiple choice question based on molecules that is to be accomplished.

Q: In diluting acid solution, which of the following statements are correct?   I.    Add the acid int...

A: Acids can be diluted by mixing it with water. Precautions should be taken while mixing, because the ...

Q: Higher Rf value will be obtained from dextrin than that of glucose in a reverse-phase TLC. O True O ...

A: Rf means Retardation factor.  Rf value means the ratio of distance travelled by solute to the distan...

Q: Question 48 Which structure is a portion of 1. chitin 2. glycogen 3. Dextran 4. Cellulose? OH aft4) ...

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Q: The pH of a solution containing a hydrogen ion concentration of 1 x 10-5 is 5 and its pOH is 9 show ...

A: pH of a solution measures acidity or basicity of solution. pH is less than 7 indicate solution is ac...

Q: Question 17 On acidity and basicity of aqueous solutions, the following relationships are valid, exc...

A: 17)  Relationship between pH and concentration of H+ and OH- ions:

Q: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 3....

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Q: 15 Valence electrons in a neutral atom are attracted by protons in the nucleus. a. The nucleus of wh...

A: Answer: Valence electrons are the electrons those are present in the outermost shell of the atom.

Q: What volume of oxygen gas is required to react completely with 1.99 mol of hydrochloric acid accordi...

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Q: What is the concentration of an aqueous HI solution that has a pH of 2.26? 1.82 x 103 M 5.50 x 10-3 ...

A: Given that, pH of HI = 2.26  Then, [HI] = ?