Homework Answers
For a reaction to be spontaneous ∆S total should be positive. Now if ∆S system is negative so ∆S surrounding should be positive and it's value should be greater than ∆S system .
So ∆S total= ∆S system + ∆S surrounding
= -ve + ++ve =. +ve
Hence option c should be correct.
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54. During a spontaneous chemical reaction, it is found that ASsys < 0. This means a....
on For a chemical reaction that is not spontaneous, it is found that ASys O. Which...
on For a chemical reaction that is not spontaneous, it is found that ASys O. Which of the following could be true? < 0 and its magnitude is less than Δ5w Sur>0 and its magnitude is less than ASys ASur 0 and its magnitude is greater than ASsy Surr > 0 and its magnitude is greater than as,ys. ASuniv>0
4) For a chemical reaction to be spontaneous for standard conditions, which of the following must...
4) For a chemical reaction to be spontaneous for standard conditions, which of the following must be true? a) AS rxn < 0 b) AS rxn > 0 c) AGºrx < 0 d) Both a and c e) Both b and c
4) For a chemical reaction to be spontaneous for standard conditions, which of the following must...
4) For a chemical reaction to be spontaneous for standard conditions, which of the following must be true? a) AS rxn <0 b) AS nu>0 c) AGO < 0 d) Both a and c e) Both b and c
If AG < 0 for a reaction, which of the following is/are true? Select all that...
If AG < 0 for a reaction, which of the following is/are true? Select all that apply. There will be no net change in the amounts of reactants or products. The reaction is spontaneous in the forward direction. The reaction is spontaneous in the reverse direction. The reaction is at equilibrium. The reaction will proceed to form more products. The reaction will proceed to form more reactants.
Question 11 Which of the following would indicate a spontaneous Redox reaction? O A. Eo =...
Question 11 Which of the following would indicate a spontaneous Redox reaction? O A. Eo = +0.010 O B.AGO = -23.2kJ O C. Kc = 9.16 X 10-6 O D. both "A" and "B" O E. both "A" and "C" D Question 12 Which of the following indicates a reaction that is always non-spontaneous? O AH<0 & ASCO AH<0 & AS>0 O AH>0 & ASCO O AH>0 & AS>0 none of these indicate non-spontaneity Question 13 Which of the following...
A process at constant T and P can be described as spontaneous if AG <0 and...
A process at constant T and P can be described as spontaneous if AG <0 and nonspontaneous if AG> 0. Over what range of temperatures is the following process spontaneous? Assume that gases are at a pressure of 1 atm. (Hint: Use the data below to calculate AH and AS [assumed independent of temperature and equal to AH° and AS°, respectively] and then use the definition of AG.) 2 MnO2(s) 02(g) 2 MnO(s) AH (kJ mol) -520.0 -385.2 s° (J...
all parts please < 1 of 113 complete) HW Score: 0 of 1 pt 1.13 P13.1...
all parts please
< 1 of 113 complete) HW Score: 0 of 1 pt 1.13 P13.1 (similar to) Refer to the table to the below (Click on the loon located on the top right corner of the datatable below in order to copy its contents into a spreadsheet) Fund A Fund B Betin Investor 54% Investor Between Investor A and Investor B, which is more likely to representa retired couple? Why? The portfolio beta of investor Ais (Round to two...
Foe each of the chemical reactions below, predict the sign of the reaction wnteopy. If its...
Foe
each of the chemical reactions below, predict the sign of the
reaction wnteopy. If its not possible with the info provided,
select "not enough info".
Wallduvely predicury Teacull endopy reaction sign of reaction entropy 0 A5xn < 0 45 x > 0 2CH,OH (g) + 30,() - 200,() + 4H2O(g) not enough information 45px < 0 A5 x > 0 Ba(OH), 8H,O(s) + 2NHC(s) - Baa, (aq) + 2NH, (aq) + 10H,0(1) not enough information. AS < 0 AS...
A ball is kicked from a location < 6, 0, -9> m (on the ground) with...
A ball is kicked from a location < 6, 0, -9> m (on the ground) with initial velocity<-13, 17.0, -4> m/s. The ball's speed is low enough that air resistance is negligible (a) What is the velocity of the ball 0.6 s after being kicked? (Use the Momentum Principle!) 11.2 4 m/S (b) In this situation (constant force), which velocity will give the most accurate value for the location of the ball 0.6 s after it is kicked? the arithmetic...
please I need help with the data sheet INTRODUCTION The chemical and physical properties of substances...
please I need help with the data sheet
INTRODUCTION The chemical and physical properties of substances are influenced by the way in which valence electrons are distributed and by the three-dimensional shape of the molecule or ion. X- ray and neutron diffraction, infrared, Raman and microwave absorption spectroscopy, as well as dipole moment measurements are used to ascertain the three-dimensional structure of a substance. Thus, techniques are available which can identify the geometry of substances. Results of these measurements generally...
on For a chemical reaction that is not spontaneous, it is found that ASys O. Which of the following could be true? < 0 and its magnitude is less than Δ5w Sur>0 and its magnitude is less than ASys ASur 0 and its magnitude is greater than ASsy Surr > 0 and its magnitude is greater than as,ys. ASuniv>0
4) For a chemical reaction to be spontaneous for standard conditions, which of the following must be true? a) AS rxn < 0 b) AS rxn > 0 c) AGºrx < 0 d) Both a and c e) Both b and c
4) For a chemical reaction to be spontaneous for standard conditions, which of the following must be true? a) AS rxn <0 b) AS nu>0 c) AGO < 0 d) Both a and c e) Both b and c
If AG < 0 for a reaction, which of the following is/are true? Select all that apply. There will be no net change in the amounts of reactants or products. The reaction is spontaneous in the forward direction. The reaction is spontaneous in the reverse direction. The reaction is at equilibrium. The reaction will proceed to form more products. The reaction will proceed to form more reactants.
Question 11 Which of the following would indicate a spontaneous Redox reaction? O A. Eo = +0.010 O B.AGO = -23.2kJ O C. Kc = 9.16 X 10-6 O D. both "A" and "B" O E. both "A" and "C" D Question 12 Which of the following indicates a reaction that is always non-spontaneous? O AH<0 & ASCO AH<0 & AS>0 O AH>0 & ASCO O AH>0 & AS>0 none of these indicate non-spontaneity Question 13 Which of the following...
A process at constant T and P can be described as spontaneous if AG <0 and nonspontaneous if AG> 0. Over what range of temperatures is the following process spontaneous? Assume that gases are at a pressure of 1 atm. (Hint: Use the data below to calculate AH and AS [assumed independent of temperature and equal to AH° and AS°, respectively] and then use the definition of AG.) 2 MnO2(s) 02(g) 2 MnO(s) AH (kJ mol) -520.0 -385.2 s° (J...
all parts please
< 1 of 113 complete) HW Score: 0 of 1 pt 1.13 P13.1 (similar to) Refer to the table to the below (Click on the loon located on the top right corner of the datatable below in order to copy its contents into a spreadsheet) Fund A Fund B Betin Investor 54% Investor Between Investor A and Investor B, which is more likely to representa retired couple? Why? The portfolio beta of investor Ais (Round to two...
Foe
each of the chemical reactions below, predict the sign of the
reaction wnteopy. If its not possible with the info provided,
select "not enough info".
Wallduvely predicury Teacull endopy reaction sign of reaction entropy 0 A5xn < 0 45 x > 0 2CH,OH (g) + 30,() - 200,() + 4H2O(g) not enough information 45px < 0 A5 x > 0 Ba(OH), 8H,O(s) + 2NHC(s) - Baa, (aq) + 2NH, (aq) + 10H,0(1) not enough information. AS < 0 AS...
A ball is kicked from a location < 6, 0, -9> m (on the ground) with initial velocity<-13, 17.0, -4> m/s. The ball's speed is low enough that air resistance is negligible (a) What is the velocity of the ball 0.6 s after being kicked? (Use the Momentum Principle!) 11.2 4 m/S (b) In this situation (constant force), which velocity will give the most accurate value for the location of the ball 0.6 s after it is kicked? the arithmetic...
please I need help with the data sheet
INTRODUCTION The chemical and physical properties of substances are influenced by the way in which valence electrons are distributed and by the three-dimensional shape of the molecule or ion. X- ray and neutron diffraction, infrared, Raman and microwave absorption spectroscopy, as well as dipole moment measurements are used to ascertain the three-dimensional structure of a substance. Thus, techniques are available which can identify the geometry of substances. Results of these measurements generally...
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