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Q: What is the minimum mass of oxygen required for the complete reaction of 25.5 mL of heptane? The den...

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Q: 3. Which of the following would NOT increase the rate of reaction?   A. raising the temperature   B...

A: Given,  The parameter which is would not increases the rate of the reaction is:

Q: 2. A solid sample of one of the following polymers (PETE, PP, PVDC and PTFE) was found to be insolub...

A: A solid sample of one of the following polymers (PETE, PP, PVDC and PTFE) was found to be insoluble ...

Q: The pressure of steam at a temperature of 500°C and a density of 8.606593 kg/m3 in kPa is O 7000 600...

A: Answer: This question will be solved by using density form of ideal gas equation.

Q: Preparation of HCI solution a. Measure 20.7 ml of concentrated Hcl (37% wt HCI) using the pipet and ...

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Q: Prove the relationship

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Q: When amino acids are brought to the ribosome by the tRNA so a peptide bond can be formed, what is th...

A: tRNA structure is a single stand structure that is generated from DNA double helical structure that ...

Q: Part 1 Do not include states of matter, multiplication symbols, or extra spaces. Use brackets [] to ...

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Q: 6-8, refer to the table below: Solubility of solute A, g/50 mL Solvent Hot Cold Water 1.3 0.90 Tolue...

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Q: For the reaction 2NO + Cl, → 2NOCI Match the appropriate rate law to each postulated mechanism. A Ra...

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Q: V.) A compound with molecular formula C8H10O has the following proton NMR spectrum. Determine the nu...

A: NMR spectroscopy is a very important tool for the determination of the structure of the organic comp...

Q: From pyridine and any other organic or inorganic reagent synthesize the following molecule

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Q: + CH;CH,COH + CO2 2. H30* 1. BH, THF 2. H202 OH CHO CH CH-CECH UESTION 13 Which of the following sta...

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Q: 1. Write a chemical reaction for the synthesis of nylon 6.10. What natural polymers do nylons resemb...

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Q: In the following oxidation-reduction reaction, what is being oxidized? C4H8 + 6 O2 → 4 CO2 + 4 H20 O...

A: Oxidation is a chemical process or reaction in which electrons will be ejected from a species. Reduc...

Q: Benzoic acid and water were added to the test tube labeled "b.a." After stirring the mixture, sodium...

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Q: Base on the information in the table (see pictures attached) predict the ppm range you would expect ...

A: The given structure of the compounds are :

Q: Which of the following statements is correctly labeled as true or false? Choose all correct answers ...

A: We will see each statement if it's true or false and why. 

Q: State the relationships between the pressure of the gas and the number of gaseous   particles.

A: If the number of particles increases the chance of collision with the walls of the container increas...

Q: QUESTION 1 Which of the following is an example of an oxidation half-reaction? Cu2+ + 20 > Cu Cu > C...

A: Answer: These 3 questions are based on redox reactions. Redox is the combination of two words, reduc...

Q: Consider the reaction: CO2 (g) + H2 (g) → CO (g) + H2O (g) ,for which Kc=0.64 at 900 K. If the initi...

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Q: Which of the following E,Z designations are correct? Mark all correct answers. cOH (Z) CH CH=CH, H3C...

A: Rules for designating E and Z configuration;

Q: Question 13

A: True and false .,  

Q: A city's water supply is contaminated with a toxin at a concentration of 0.63 mg/L. For the water to...

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Q: On any clean sheet of paper, draw both the condensed and line-bond structure of the following compou...

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Q: A mixture of helium and oxygen gas is compressed from a volume of 53.0L to a volume of 20.0 L, while...

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Q: Compound A has the formula C8H8. It reacts rapidly with KMNO4 to give CO2 and a carboxylic acid, B (...

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Q: 4) Use collision theory to calculate an estimate of the Arrhenius pre-exponential factor for the rea...

A: we have to calculate pre exponential factor

Q: The graphs in this experiment are for nitrogen gas, however, they do not have labels that identify t...

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Q: Table 2. Effect of injection volume and temperature on retention time, peak width and resolution. Pe...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: Which of the following are reverse chemical processes of one another? ionization and saponification ...

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Q: Benzene (C6H6)reacts with bromine to produce bromobenzene (C6H5Br )according to the  following equat...

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Q: he oxidation state of

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Q: C. Draw the chemical structure of the following: 11. bromocyclobutane 12. propylcyclohexane 13. fluo...

A: Given compounds: bromocyclobutane propylcyclohexane fluorocyclopentane 5-fluoro-7-methylcyclooctane...

Q: Part A Ammonia, NH3, is a weak base with a Kh value of 1.8 × 10-5. What is the pH of a 5.50x10-2 mol...

A: Kb of NH3 = 1.8 × 10-5 . Concentration of ammonia = 5.50 × 10-2  mol L-1. pH = ? 

Q: Which of the following aqueous solutions are good buffer systems? 0.26 M ammonia + 0.37 M calcium hy...

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Q: Molecular

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Q: Br F Na OMe O2N

A: Mechanism of aromatic nucleophilic substitution reaction: 

Q: You obtain a 0.0750 M solution of Ba(OH) 2; Ba(OH) 2 => Ba^ 2+ + 2 OH What is the concentration of O...

A: Barium hydroxide is a basic substance and it breaks into barium ion and hydroxide ions when dissolve...

Q: A buffer solution is 0.500 M in acetic acid and 0.500 M in sodium acetate. Its pH is 4.74. What is i...

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The buffe...

Q: Aspirin (acetylsalicylic acid, C9HsO4) is a weak monoprotic acid. To determine its acid-dissociation...

A: We have to predict the Ka .  

Q: QUESTION 2 In the addition of hydrogen bromide to alkynes in the absence of peroxides, which of the ...

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Q: Choose all the correct names. There may be more than one. 2,5-dimethyl-3-hexyne 4,4-dimethyl-2-penty...

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Q: Gypsum is the hydrate of calcium sulfate, CaSO4 · 2 H2O.  It is the primary material in sheet rock, ...

A: Given,  Gypsum is the hydrate of calcium sulfate, CaSO4 · 2 H2O  Molar mass of Ca = 40.078 g/mol  Mo...

Q: Experiment#4 – Lewis & VSEPR CH3OH CH2N2 HCO3-

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

Q: (a) For a sample of gas at constant temperature, its pressure multiplied by its volume is a constant...

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

Q: Balancing using only oxidation number method. Please show complete steps in balancing. Don’t skips i...

A: Balance a redox reaction by oxidation number method.

Q: 2. Usé thè linear regression équation ànd the fóllowing Abs 595 dată and dilution factors för calcul...

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Q: A certain weak base has a ?b of 8.40×10−7. What concentration of this base will produce a pH of 10.2...

A: Weak base dissociated less in solution

Q: QUESTION 4 Which of the following is much more acidic? Туре: MC

A: Acidity trends follow  the trends that stabilize negative charge in organic chemistry .  These forme...