Homework Answers
Ans: option b. i, ii, iii,
Combustion is a process where a compound react with oxyzen to generally produce one or more oxyzen containing product often water and CO2.Combustion is a exothermic process i.e. it emit heat during reaction.
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QUESTION 6 Which of the following statements about combustion reactions is/are correct? i. they are characterized...
Question Completion Status: QUESTION 5 Which of the following statements about combustion reactions is/are correct? 1....
Question Completion Status: QUESTION 5 Which of the following statements about combustion reactions is/are correct? 1. they are characterized by the reaction of a substance with oxygen ii. they form one or more oxygen-containing compounds, often including water iii. they emit heat a. only b. i, ii, 111 c. 11 and ili d. i and ili QUESTION 6
Which of the following statements about an elementary process or step is/are correct? 1) Intermediates in...
Which of the following statements about an elementary process or step is/are correct? 1) Intermediates in a reaction cannot be involved in the rate determining step ii) In the rate equation for the forward reaction of an elementary step, the overall reaction order is equal to the number of reactant molecules in the step iii) To be the rate determining step in a mechanism, an elementary step must be exothermic O A. ii and ill only B. i and iii...
Which of the following statements about an elementary process or step is/are correct? 1) Intermediates in...
Which of the following statements about an elementary process or step is/are correct? 1) Intermediates in a reaction cannot be involved in the rate determining step ii) In the rate equation for the forward reaction of an elementary step, the overall reaction order is equal to the number of reactant molecules in the step iii) To be the rate determining step in a mechanism, an elementary step must be exothermic O A. ii and ill only B. i and iii...
1. Complete and balance the following combustion reactions (10 pts) (Hint: the combustion of hydrocarbons involves...
1. Complete and balance the following combustion reactions (10 pts) (Hint: the combustion of hydrocarbons involves a reaction with oxygen and produces carbon dioxide and water) (i) ____ C5H12 (pentane) + ____ O2 ____ __________ + ____ ___________ (ii) ____ C6H12 (1-hexene) + ____ O2 ____ __________ + ____ ___________
QUESTION 2 In a discussion, students in a group made the following statements about solutions: (0)...
QUESTION 2 In a discussion, students in a group made the following statements about solutions: (0) Homogenous mixtures are solutions (ii) The majority component in a solution is the solvent (iii) Solutions are mixtures (iv) Solutions are pure substances Which of the following choices gives correct statements alli, ili iv 0 b.i, iii, iv i and iv 0 d. i, ii, ili
please help Question 17 (Mandatory) (1 point) Which of the following statements is/are correct i. Wavelength...
please help
Question 17 (Mandatory) (1 point) Which of the following statements is/are correct i. Wavelength is the distance between identical parts of a wave ii. Frequency is the number of complete waves passing a point in a given period of time ill. The speed of light is equal to the product of the wavelength and frequency of an electromagnetic wave O al ionly O b) ini only Och i and i Od i and i Save Oe) i, ii,...
hich of the following statements about the reactions of alkyme A) The characteristic reactions of alkyl...
hich of the following statements about the reactions of alkyme A) The characteristic reactions of alkyl halides are addition and elimination B) The characteristic reactions of alkyl halides are addition and substitution C) The characteristic reactions of alkyl halides are elimination and substitution D) The characteristic reactions of alkyl halides are oxidation and reduction. 2. The reaction of 1-bromobutane with sodium hydroxide affords the substitution product 1-butanol. What would happen to the rate of the reaction if the concentration of...
Here are four statements about business fluctuations, each of which may be true or false. I...
Here are four statements about business fluctuations, each of which may be true or false. I They are irregular. II They are unpredictable. III Recessions are characterized by falling output and employment. IV Generally speaking, recoveries last longer than recessions. Choose the correct option from the list below. A I, II, and III are true, IV is false. B I, Ⅱ, and IV are true, III is false. C III and IV are true, I and II are false. D...
28. Which of these statements about greenhouse gases and the greenhouse effect is not correct? I....
28. Which of these statements about greenhouse gases and the greenhouse effect is not correct? I. Greenhouse gases prevent infrared radiation from escaping through the atmosphere. II. To absorb infrared radiation, a molecule must have a vibration that produces a change in the dipole moment of the molecule. III. Argon is the third most abundant species in the atmosphere (after nitrogen and oxygen), and therefore is a significant greenhouse gas. IV. The average amount of carbon dioxide in the atmosphere...
Which one of the following statements about compounds I and II is correct? Both will give...
Which one of the following statements about compounds I and II is correct? Both will give a positive Benedict's test Neither will give a positive Benedict's test Only compound I will give a positive Benedict's test Only compound II will give a positive Benedict's test.
Question Completion Status: QUESTION 5 Which of the following statements about combustion reactions is/are correct? 1. they are characterized by the reaction of a substance with oxygen ii. they form one or more oxygen-containing compounds, often including water iii. they emit heat a. only b. i, ii, 111 c. 11 and ili d. i and ili QUESTION 6
Which of the following statements about an elementary process or step is/are correct? 1) Intermediates in a reaction cannot be involved in the rate determining step ii) In the rate equation for the forward reaction of an elementary step, the overall reaction order is equal to the number of reactant molecules in the step iii) To be the rate determining step in a mechanism, an elementary step must be exothermic O A. ii and ill only B. i and iii...
Which of the following statements about an elementary process or step is/are correct? 1) Intermediates in a reaction cannot be involved in the rate determining step ii) In the rate equation for the forward reaction of an elementary step, the overall reaction order is equal to the number of reactant molecules in the step iii) To be the rate determining step in a mechanism, an elementary step must be exothermic O A. ii and ill only B. i and iii...
QUESTION 2 In a discussion, students in a group made the following statements about solutions: (0) Homogenous mixtures are solutions (ii) The majority component in a solution is the solvent (iii) Solutions are mixtures (iv) Solutions are pure substances Which of the following choices gives correct statements alli, ili iv 0 b.i, iii, iv i and iv 0 d. i, ii, ili
please help
Question 17 (Mandatory) (1 point) Which of the following statements is/are correct i. Wavelength is the distance between identical parts of a wave ii. Frequency is the number of complete waves passing a point in a given period of time ill. The speed of light is equal to the product of the wavelength and frequency of an electromagnetic wave O al ionly O b) ini only Och i and i Od i and i Save Oe) i, ii,...
hich of the following statements about the reactions of alkyme A) The characteristic reactions of alkyl halides are addition and elimination B) The characteristic reactions of alkyl halides are addition and substitution C) The characteristic reactions of alkyl halides are elimination and substitution D) The characteristic reactions of alkyl halides are oxidation and reduction. 2. The reaction of 1-bromobutane with sodium hydroxide affords the substitution product 1-butanol. What would happen to the rate of the reaction if the concentration of...
Here are four statements about business fluctuations, each of which may be true or false. I They are irregular. II They are unpredictable. III Recessions are characterized by falling output and employment. IV Generally speaking, recoveries last longer than recessions. Choose the correct option from the list below. A I, II, and III are true, IV is false. B I, Ⅱ, and IV are true, III is false. C III and IV are true, I and II are false. D...
28. Which of these statements about greenhouse gases and the greenhouse effect is not correct? I. Greenhouse gases prevent infrared radiation from escaping through the atmosphere. II. To absorb infrared radiation, a molecule must have a vibration that produces a change in the dipole moment of the molecule. III. Argon is the third most abundant species in the atmosphere (after nitrogen and oxygen), and therefore is a significant greenhouse gas. IV. The average amount of carbon dioxide in the atmosphere...
Which one of the following statements about compounds I and II is correct? Both will give a positive Benedict's test Neither will give a positive Benedict's test Only compound I will give a positive Benedict's test Only compound II will give a positive Benedict's test.
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