for the dissolution of sodium nitrate, explain why the sign of delta S must be positive...
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for
the dissolution of sodium nitrate, explain why the sign of delta S
must be positive...
In the Thermodynamics and Equilibrium lab, you found that the sign of the experimentally determined value...
In the Thermodynamics and Equilibrium lab, you found that the sign of the experimentally determined value for AG° for the dissolution of borax (sodium tetraborate) in water was positive. Is this process spontaneous? If not, why does borax dissolve in water? Explain your reasoning. (Hint: think about the difference(s) between AGo and AG 4.
For melting water at 25 C, what is the sign of delta S for system, surroundings...
For melting water at 25 C, what is the sign of delta S for system, surroundings and universe? I'm thinking delta S would be positive for the system, but what about the others?
1. Is the dissolution process studied today, NaNO, (s) Na+ (aq) + NO, (aq) spontaneous or...
1. Is the dissolution process studied today, NaNO, (s) Na+ (aq) + NO, (aq) spontaneous or nonspontaneous? How can you tell? What is the sign of AG? 2. Using the class's mean value for AH, and the Gibbs-Helmholtz equation, estimate the value for AS for the dissolution process. (See Calculations section.) 3. Based on your observation about the spontaneity of the reaction and the sign of AH, is the value of AS that you calculated a minimum or a maximum?...
Post lab for estimating entropy for the dissolution of a salt. I desperately need help with...
Post lab for estimating entropy for the dissolution of a salt. I
desperately need help with 3 and 4 please
Is the dissolution process studied today, NaNo, (s) → Na+ (aq) + NO3-(aq) spontaneous or nonspontaneous? How can you tell? What is the sign of ΔΟ? 1. Using the class's mean value for ΔH and the Gibbs-Helmholtz equation, estimate the value for as for the dissolution process. (See Calculations section.) 2. Based on your observation about the spontaneity o the...
Need help on this question.Thank you (a) Predict the sign of Delta S for each of...
Need help on this
question.Thank you
(a) Predict the sign of Delta S for each of the following changes. Explain your response: (b) Given the following reaction: HOBr_(aq) + Br^-_(aq) Br_2(g) + OH^-_(aq) calculate the equilibrium constant for the reaction under standard pressure at 298 K given Delta H^Compositefunction = 15.51 (kJ/mol) and Delta S^Compositefunction = 111.89 (J/(mol K)).
Explain briefly what the power ratio means and why the delta dBs, when the delta dB...
Explain briefly what the power ratio means and why the delta dBs, when the delta dB is positive, zero, or negative, correspond to a power ratio that is greater than 1, equal to 1, or less than 1, respectively.
5. What are Goodell 's sign, Chadwick's sign, and Hegar's sign? 6. Explain the difference between...
5. What are Goodell 's sign, Chadwick's sign, and Hegar's sign? 6. Explain the difference between uterine souffle and funic souffle. 7. Describe how progesterone affects the urinary system during pregnancy. Leep the loy inside te stemacd 8. Why does pregnancy demand a large supply of iron? 9. In general, what are the exercise recommendations from the eighth week of pregnancy through delivery?
In this Answer, why we put positive sign between these number (25t + 0 )? In...
In this Answer, why we put positive sign between these
number (25t + 0 )?
In the formula we have native but why this become
positive in amswer ?
Skill-Assessment Exercise 4.3 PROBLEM: For each of the following transfer functions, write, by inspection, the general form of the step response: 625 d. G(s) 625 ANSWERS A+B cos (25t + d. ct) 3. Undamped responses Poles: Two imaginary at tjon Natural response: Undamped sinusoid with radian frequency equal to the imaginary...
When sodium chloride dissolves in water, the ions dissociate: NaCl (s) --> Na+ (aq) + Cl-...
When sodium chloride dissolves in water, the ions dissociate: NaCl (s) --> Na+ (aq) + Cl- (aq) Consider the equation, DG = DH - TDS. For each dissolving process, substitute the signs of DG and DH into the equation and predict the possible sign(s) for the entropy (DS). Explain why you chose this sign(s). Does the sign for entropy change seem to make sense? Explain.
can you answerthe lab questions 1-5? 1. Explain why methanol and sodium carbonate were both able...
can
you answerthe lab questions 1-5?
1. Explain why methanol and sodium carbonate were both able to dissolve in water, but only sodium carbonate was able to conduct electricity in solution. (3 pts) 2. Look up the chemical structures of methane and methanol. Based on their structures, which of the two do you expect to be water soluble? Explain your answer. (4 pts) 3. What are the main structural differences and similarities between methanol and 1-decanol. Explain the observed difference...
In the Thermodynamics and Equilibrium lab, you found that the sign of the experimentally determined value for AG° for the dissolution of borax (sodium tetraborate) in water was positive. Is this process spontaneous? If not, why does borax dissolve in water? Explain your reasoning. (Hint: think about the difference(s) between AGo and AG 4.
1. Is the dissolution process studied today, NaNO, (s) Na+ (aq) + NO, (aq) spontaneous or nonspontaneous? How can you tell? What is the sign of AG? 2. Using the class's mean value for AH, and the Gibbs-Helmholtz equation, estimate the value for AS for the dissolution process. (See Calculations section.) 3. Based on your observation about the spontaneity of the reaction and the sign of AH, is the value of AS that you calculated a minimum or a maximum?...
Post lab for estimating entropy for the dissolution of a salt. I
desperately need help with 3 and 4 please
Is the dissolution process studied today, NaNo, (s) → Na+ (aq) + NO3-(aq) spontaneous or nonspontaneous? How can you tell? What is the sign of ΔΟ? 1. Using the class's mean value for ΔH and the Gibbs-Helmholtz equation, estimate the value for as for the dissolution process. (See Calculations section.) 2. Based on your observation about the spontaneity o the...
Need help on this
question.Thank you
(a) Predict the sign of Delta S for each of the following changes. Explain your response: (b) Given the following reaction: HOBr_(aq) + Br^-_(aq) Br_2(g) + OH^-_(aq) calculate the equilibrium constant for the reaction under standard pressure at 298 K given Delta H^Compositefunction = 15.51 (kJ/mol) and Delta S^Compositefunction = 111.89 (J/(mol K)).
5. What are Goodell 's sign, Chadwick's sign, and Hegar's sign? 6. Explain the difference between uterine souffle and funic souffle. 7. Describe how progesterone affects the urinary system during pregnancy. Leep the loy inside te stemacd 8. Why does pregnancy demand a large supply of iron? 9. In general, what are the exercise recommendations from the eighth week of pregnancy through delivery?
In this Answer, why we put positive sign between these
number (25t + 0 )?
In the formula we have native but why this become
positive in amswer ?
Skill-Assessment Exercise 4.3 PROBLEM: For each of the following transfer functions, write, by inspection, the general form of the step response: 625 d. G(s) 625 ANSWERS A+B cos (25t + d. ct) 3. Undamped responses Poles: Two imaginary at tjon Natural response: Undamped sinusoid with radian frequency equal to the imaginary...
can
you answerthe lab questions 1-5?
1. Explain why methanol and sodium carbonate were both able to dissolve in water, but only sodium carbonate was able to conduct electricity in solution. (3 pts) 2. Look up the chemical structures of methane and methanol. Based on their structures, which of the two do you expect to be water soluble? Explain your answer. (4 pts) 3. What are the main structural differences and similarities between methanol and 1-decanol. Explain the observed difference...
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