For a particular process q = -28 kJ and w = +48 kJ. What conclusion(s) can...
For a particular process q = -28 kJ and w = +48 kJ. What conclusion(s) can be drawn for this process? (i) ΔE = +20 kJ (ii) ΔSsurroundings < 0 (iii) the reaction is endothermic (iv) the volume of the system increases
Select one:
a. (iii) and (iv) only
b. (i) and (ii) only
c. (ii), (iii), and (iv) only
d. (i), (ii), and (iv) only
e. (i) only
Homework Answers
Add Answer to:
For a particular process q = -28 kJ and w = +48 kJ. What
conclusion(s) can...
5. For a particular process, q=-17 kJ and w = 21 kJ. Which of the following...
5. For a particular process, q=-17 kJ and w = 21 kJ. Which of the following statements is false? a. Heat flows from the system to the surroundings. b. The system does work on the surroundings. c. AE = +4 kJ d. The process is exothermic. e. None of the above is false.
1. If q 60 kJ and w = 96 kJ for a certain process, that process...
1. If q 60 kJ and w = 96 kJ for a certain process, that process (3) a. requires a catalyst. b. is endothermic. c. occurs slowly. d. is exothermic. e. cannot occur. 2. What is the change in internal energy of the system (AU) if 71 kJ of heat energy is absorbed by the system and 12 kJ of work is done on the system for a certain process? (4) a. 83 kJ b. 59 kJ c. 71 kJ...
d listing r. (Individ For a particular first-order reaction, it takes 24 minutes for the concentration...
d listing r. (Individ For a particular first-order reaction, it takes 24 minutes for the concentration of the reactant to decrease to 25% of its initial value, what is the value for rate constant (in S-1) for the reaction? A) 2.0-104 s-1 B)9.6 x 10-4 s-1 C) 1.2 × 10-2 s-1 D)5.8 102s-1 12. In the first order reaction A → products, [A1-0.400 M initially and 0250 M after 15.0 mun, what willl after 175 min? e A) 1.67-10-3 M...
Consider the equilibrium: Fe3O4(s) + CO(g) ←à 3 FeO(s) + CO2(g) ΔH= +18 kJ. Which of...
Consider the equilibrium: Fe3O4(s) + CO(g) ←à 3 FeO(s) + CO2(g) ΔH= +18 kJ. Which of the following stresses when applied to an equilibrium mixture of reactants and products, will cause [CO] to increase? I. Decrease in pressure due to a increase in volume. II. Doubling the [CO2]. III. Addition of a catalyst. IV. Halving the mass of solid Fe3O4. V. Increase in the temperature. A.I only B. I, II and V C. I, III and IV D. II and...
i need help with #s 30-32 and can you check 28 and 29 28. Which of...
i need help with #s 30-32 and can you check 28 and 29
28. Which of the following is an isomer of CHOCH,? (a) CH.CH (b) CH,COOH (C) CH,CH,OH (4) CH,CH,CH, c) CH-CH,O CHỊCH, at atm? an a 29. Which of the following has the greatest solubility in C. H (a) SO (b) NaCl H.O. (d) CCIO JOT NH H - c-c- c-c-c- HHH 30. High solubility of an ionic solid in water is favored by which of the following...
Sample Examination II t a system at equlibriurm aecording to the equation 159 s added to...
Sample Examination II t a system at equlibriurm aecording to the equation 159 s added to such an equilibrium system at constant volume and temperatare, the total pressure ses and the number of NHs molecules present increases (B) decreases and the number of NHa molecules present Increases remains the same and the rumber of Nils molecules present increases remains the same and the number of NHs molecules present decreases E) increases and the number of NiHs molecules present remains the...
17. Draw the major organic product(s) generated in the reaction below. Pay particular attention to regio-...
17. Draw the major organic product(s) generated in the reaction below. Pay particular attention to regio- and stereochemical detail. CH,COH H3CHC CH2CH3 18. Which of the following steps would successfully complete the following reaction? OCH3 HO Стосны A. I only B. II & III GI & IV D.), II, & IV 1 1 ) Brz. 2) NaOCH II. 1) Hg(OAC). 2) NaBH4, 3) NaOCHE III. 1) B2, CH5OH, 2) NaH IV. 1) mCPBA, H. 2) Na°3) CHE! 19. Draw the...
If 3.70 moles of a liquid vaporizes at 69.0 °C and 2.57 atm; what is the...
If 3.70 moles of a liquid vaporizes at 69.0 °C and 2.57 atm; what is the value of work? 0-10.5 kJ O 104 kJ 0-104 kJ 0 -20.9 kJ 0 10.5 kJ Container A Container B Contents: Ar(g) Contents: 12(g) Mass: 12.0 g Mass: 10.2 g Volume: 3.00 L Volume: 3.00 L Temperature: 25 °C Temperature: 25 °C Pressure: P1 Pressure: P2 Use this information to answer the following question: The stopcock is opened and the gases are allowed to...
Which steps in the above process can be represented by the following potential energy diagram? Debon...
Which steps in the above process can be represented by the following potential energy diagram? Debon 10 Not you wered Marked out of Products Potential Energy (kJ) Reactants Reaction Pathway Select one: Step II only O Steps I and II O Steps I, II and II None of the above steps Identify each of the following statements as true or false, as they pertain to the above 3 steps. Choose... In Step II, 6.47 kl of energy are released when...
uestion 28 What would be the major product(s) of the following reaction? COCH HNO3 H2SO4, heat...
uestion 28 What would be the major product(s) of the following reaction? COCH HNO3 H2SO4, heat COH COH NO2 ON NO2 NO2 NO2 I III ON Approximately equal amounts of II and IV Click if you would like to Show Work for this question: Open Show Work
5. For a particular process, q=-17 kJ and w = 21 kJ. Which of the following statements is false? a. Heat flows from the system to the surroundings. b. The system does work on the surroundings. c. AE = +4 kJ d. The process is exothermic. e. None of the above is false.
1. If q 60 kJ and w = 96 kJ for a certain process, that process (3) a. requires a catalyst. b. is endothermic. c. occurs slowly. d. is exothermic. e. cannot occur. 2. What is the change in internal energy of the system (AU) if 71 kJ of heat energy is absorbed by the system and 12 kJ of work is done on the system for a certain process? (4) a. 83 kJ b. 59 kJ c. 71 kJ...
d listing r. (Individ For a particular first-order reaction, it takes 24 minutes for the concentration of the reactant to decrease to 25% of its initial value, what is the value for rate constant (in S-1) for the reaction? A) 2.0-104 s-1 B)9.6 x 10-4 s-1 C) 1.2 × 10-2 s-1 D)5.8 102s-1 12. In the first order reaction A → products, [A1-0.400 M initially and 0250 M after 15.0 mun, what willl after 175 min? e A) 1.67-10-3 M...
i need help with #s 30-32 and can you check 28 and 29
28. Which of the following is an isomer of CHOCH,? (a) CH.CH (b) CH,COOH (C) CH,CH,OH (4) CH,CH,CH, c) CH-CH,O CHỊCH, at atm? an a 29. Which of the following has the greatest solubility in C. H (a) SO (b) NaCl H.O. (d) CCIO JOT NH H - c-c- c-c-c- HHH 30. High solubility of an ionic solid in water is favored by which of the following...
Sample Examination II t a system at equlibriurm aecording to the equation 159 s added to such an equilibrium system at constant volume and temperatare, the total pressure ses and the number of NHs molecules present increases (B) decreases and the number of NHa molecules present Increases remains the same and the rumber of Nils molecules present increases remains the same and the number of NHs molecules present decreases E) increases and the number of NiHs molecules present remains the...
17. Draw the major organic product(s) generated in the reaction below. Pay particular attention to regio- and stereochemical detail. CH,COH H3CHC CH2CH3 18. Which of the following steps would successfully complete the following reaction? OCH3 HO Стосны A. I only B. II & III GI & IV D.), II, & IV 1 1 ) Brz. 2) NaOCH II. 1) Hg(OAC). 2) NaBH4, 3) NaOCHE III. 1) B2, CH5OH, 2) NaH IV. 1) mCPBA, H. 2) Na°3) CHE! 19. Draw the...
If 3.70 moles of a liquid vaporizes at 69.0 °C and 2.57 atm; what is the value of work? 0-10.5 kJ O 104 kJ 0-104 kJ 0 -20.9 kJ 0 10.5 kJ Container A Container B Contents: Ar(g) Contents: 12(g) Mass: 12.0 g Mass: 10.2 g Volume: 3.00 L Volume: 3.00 L Temperature: 25 °C Temperature: 25 °C Pressure: P1 Pressure: P2 Use this information to answer the following question: The stopcock is opened and the gases are allowed to...
Which steps in the above process can be represented by the following potential energy diagram? Debon 10 Not you wered Marked out of Products Potential Energy (kJ) Reactants Reaction Pathway Select one: Step II only O Steps I and II O Steps I, II and II None of the above steps Identify each of the following statements as true or false, as they pertain to the above 3 steps. Choose... In Step II, 6.47 kl of energy are released when...
uestion 28 What would be the major product(s) of the following reaction? COCH HNO3 H2SO4, heat COH COH NO2 ON NO2 NO2 NO2 I III ON Approximately equal amounts of II and IV Click if you would like to Show Work for this question: Open Show Work
Most questions answered within 3 hours.
-
Which Special Journal would the following transaction be
journalized in?
Sold merchandise on account to Customer...
asked 9 minutes ago -
Assuming 100% dissociation, calculate the freezing point (?fTf)
and boiling point (?bTb) of 1.45 ? K3PO4(aq)1.45...
asked 12 minutes ago -
An inflated helium balloon with a volume of 0.35L at
sea level (1.0 atm) was allowed...
asked 14 minutes ago -
Python 3.0 Please
Write a function that takes, as arguments, a binary string, a
list of...
asked 41 minutes ago -
(a) Calculate the momentum of a 2150 kg elephant charging a
hunter at a speed of...
asked 29 minutes ago -
all the following is an example of a fixed cost except: any cost
that changes in...
asked 31 minutes ago -
Briefly describe the changes in pupil diameter that occur with
changes in light intensity or distance...
asked 31 minutes ago -
A small sample from a vial of phenol melts at 39-40 °C. A larger
sample from...
asked 33 minutes ago -
Draw a δ-lysine amino acid and label all the carbons (alpha,
beta, gamma, etc.)
asked 46 minutes ago -
A uniform thin rod of length 0.97 m and mass 2.2 kg lies in a
horizontal...
asked 39 minutes ago -
A 110 kg horizontal beam is supported at each end. A 340 kg
piano rests at...
asked 40 minutes ago -
Case 5: World Food Programme: A Quarter a Day Keeps the
Hunger Away
Case Summary: Established...
asked 46 minutes ago