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Problem 3-2-9 The heat transfer necessary to raise the temperature of a constant-volume closed system is...
Problem 3-2-9 The heat transfer necessary to raise the temperature of a constant-volume closed system is given by Q=AU. Using the SL model compare the heat necessary to raise the temperature by 10°C for such a system of 2 kg and composed of (a) gold, (b) iron. (c) sand, and (d) granite Part A Gold Express the heat in kilojoules to three significant figures. Q = 2.58 kJ Submit Previous Answers ✓ Correct Part B Iron Express the heat in...
"Express the confidence interval 20.2%±9% in interval form. Express the answer in decimal format (do not...
"Express the confidence interval 20.2%±9% in interval form. Express the answer in decimal format (do not enter as percents). " For my answer I got (.2011, .2029), however, my online homework says this answer is incorrect. I cannot figure out what I'm doing wrong.
aluminum Express your answer to two significant figures. View Available Hint(s) I ALO * O a...
aluminum Express your answer to two significant figures. View Available Hint(s) I ALO * O a ? Te = Submit Part D water Express your answer to two significant figures. View Available Hint(s) 0 ADD O2 ? T: - Submit Exercise 7.49 - Enhanced - with Feedback and Hints A Revi MISSED THIS? Read Section 7.3 (Pages 267 - 272); Watch KCV 7.3, IWE 7.2. aluminum Suppose that 25 g of each of the following substances is initially at 29.0°C....
4. Let (Yi] be a stationary process with mean zero and let a, b and c be constants. Let st be a seasonal with period 4, that is, st-st+4, t-1, 2, . . . , and Xt = a + bt + ct2 + st + Y. (i) Let (ho,...
4. Let (Yi] be a stationary process with mean zero and let a, b and c be constants. Let st be a seasonal with period 4, that is, st-st+4, t-1, 2, . . . , and Xt = a + bt + ct2 + st + Y. (i) Let (ho, do )-min( (k, d)such that k > 0, d 0, and the proces s W t ▽k▽dX,-(1 B)a Find ko and do. For W, (with k = ko and d...
Part A pure water Express your answer using three significant figures. S = 1.13x10-18 M Previous...
Part A pure water Express your answer using three significant figures. S = 1.13x10-18 M Previous Answers Submit Correct Review I Constants I Periodic Table Calculate the molar solubility of CuX (Ksp -36 1.27 x 1030) in each of the 0.28 M CuCl2 following. Express your answer using two significant figures. ΑΣφ S = м Request Answer Submit Part C 0.20 M Na2 X Express your answer using two significant figures. ΑΣφ r S = М Request Answer Submit II
i need help with all 4 questions Express your answer to three significant figures and include...
i need help with all 4 questions
Express your answer to three significant figures and include the appropriate units. Using table below, calculate the heat change needed for each of the following at the melting/freezing point Table Heats of Fusion for Selected Substances Substance Heat of fusion (J/) Propane САН. 3157 cal Benzene CH 128 Submit Previous Answers Request Answer Acetic acid CH 0 Ethanol C,H,O 100 X Incorrect; Try Again; 5 attempts remaining Ammonia NH 351 Part Water HO...
Part A Locate the control of the area (Figure 1) Express your answer to three significant...
Part A Locate the control of the area (Figure 1) Express your answer to three significant figures and include the appropriate units Figure < 1 of 1 > ni 2 2.8 m You have already submitted this answer. Enter a new answer No credit lost. Try again 4 m Submit st Previous Answers Request Answer ly=4 -8 m Provide Feedback
Do where I 13, 0 st < 1, = 12t, 1st hi [Hint: t-axis shifting]
Do where I 13, 0 st < 1, = 12t, 1st hi [Hint: t-axis shifting]
Part F Calculate the energy available from hydrolysis of ATP if the ATP/ADP ratio is 5:1,...
Part F Calculate the energy available from hydrolysis of ATP if the ATP/ADP ratio is 5:1, the inorganic phosphate concentration is 50 mM and the temperature is 37°C? (Assume AG' = -7.3 kcal/mol for ATP hydrolysis.) Express your answer as an integer. AG' = -10100 cal/mol Submi Previous Answers Correct Part 1 Calculate the energy needed to synthesize ATP if the temperature is 25°C, and the ATP, ADP and inorganic phosphate concentrations are as in part F? (Assume AG' =-7.3...
Part A Find i^×i^. Express your answer in terms of the unit vectors i^, j^, and...
Part A Find i^×i^. Express your answer in terms of the unit vectors i^, j^, and k^. Part B Find j^×j^. Express your answer in terms of the unit vectors i^, j^, and k^. Part C Find k^×k^. Express your answer in terms of the unit vectors i^, j^, and k^. Part D Find i^×j^. Express your answer in terms of the unit vectors i^, j^, and k^. Find i^×k^. Express your answer in terms of the unit vectors i^,...
Problem 3-2-9 The heat transfer necessary to raise the temperature of a constant-volume closed system is given by Q=AU. Using the SL model compare the heat necessary to raise the temperature by 10°C for such a system of 2 kg and composed of (a) gold, (b) iron. (c) sand, and (d) granite Part A Gold Express the heat in kilojoules to three significant figures. Q = 2.58 kJ Submit Previous Answers ✓ Correct Part B Iron Express the heat in...
aluminum Express your answer to two significant figures. View Available Hint(s) I ALO * O a ? Te = Submit Part D water Express your answer to two significant figures. View Available Hint(s) 0 ADD O2 ? T: - Submit Exercise 7.49 - Enhanced - with Feedback and Hints A Revi MISSED THIS? Read Section 7.3 (Pages 267 - 272); Watch KCV 7.3, IWE 7.2. aluminum Suppose that 25 g of each of the following substances is initially at 29.0°C....
4. Let (Yi] be a stationary process with mean zero and let a, b and c be constants. Let st be a seasonal with period 4, that is, st-st+4, t-1, 2, . . . , and Xt = a + bt + ct2 + st + Y. (i) Let (ho, do )-min( (k, d)such that k > 0, d 0, and the proces s W t ▽k▽dX,-(1 B)a Find ko and do. For W, (with k = ko and d...
Part A pure water Express your answer using three significant figures. S = 1.13x10-18 M Previous Answers Submit Correct Review I Constants I Periodic Table Calculate the molar solubility of CuX (Ksp -36 1.27 x 1030) in each of the 0.28 M CuCl2 following. Express your answer using two significant figures. ΑΣφ S = м Request Answer Submit Part C 0.20 M Na2 X Express your answer using two significant figures. ΑΣφ r S = М Request Answer Submit II
i need help with all 4 questions
Express your answer to three significant figures and include the appropriate units. Using table below, calculate the heat change needed for each of the following at the melting/freezing point Table Heats of Fusion for Selected Substances Substance Heat of fusion (J/) Propane САН. 3157 cal Benzene CH 128 Submit Previous Answers Request Answer Acetic acid CH 0 Ethanol C,H,O 100 X Incorrect; Try Again; 5 attempts remaining Ammonia NH 351 Part Water HO...
Part A Locate the control of the area (Figure 1) Express your answer to three significant figures and include the appropriate units Figure < 1 of 1 > ni 2 2.8 m You have already submitted this answer. Enter a new answer No credit lost. Try again 4 m Submit st Previous Answers Request Answer ly=4 -8 m Provide Feedback
Do where I 13, 0 st < 1, = 12t, 1st hi [Hint: t-axis shifting]
Part F Calculate the energy available from hydrolysis of ATP if the ATP/ADP ratio is 5:1, the inorganic phosphate concentration is 50 mM and the temperature is 37°C? (Assume AG' = -7.3 kcal/mol for ATP hydrolysis.) Express your answer as an integer. AG' = -10100 cal/mol Submi Previous Answers Correct Part 1 Calculate the energy needed to synthesize ATP if the temperature is 25°C, and the ATP, ADP and inorganic phosphate concentrations are as in part F? (Assume AG' =-7.3...
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