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![Now used the relation d= log(iti) d=log (1.2411810) 10.50 = 1.08010] (b) (78) 5{ (14) ,} = 5 (oouu) ;0). 0.2207](http://img.homeworklib.com/questions/1b3eade0-758d-11ea-b3aa-1bb87d473c98.png?x-oss-process=image/resize,w_560)
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Question 2 (10 marks) If z6 = 22%, calculate each of (a), (b) and (c) below....
Question 2 (10 marks) If :) = 22%, calculate each of (a), (b) and (c) below....
Question 2 (10 marks) If :) = 22%, calculate each of (a), (b) and (c) below. Show your working. (a) 0.58. Give your answer to 3 significant figures. [4 marks] (b) 15. Give your answer to 4 significant figures. [2 marks] (c) A simple annual interest rate that gives an equivalent accumulation over 7 years. Give your answer to 4 significant figures. [4 marks)
Question 1 Question 2: Question 3: Question 4: Question 5: Question 6: Question 7: Question 8:...
Question 1
Question 2:
Question 3:
Question 4:
Question 5:
Question 6:
Question 7:
Question 8:
Please number each question. Thank you
Question 1 Not yet answered Marked out of 4.00 Flag question If the number density of electrons in a wire is n 1.00 x 1028 m-3, at what drift velocity must they travel through a wire of diameter d 0.560 mm to deliver a current of 7.20 A? Give your answer in mm s1 to 3 significant figures...
QUESTION 4 Using the Kp = 150 for the reaction below at 25°C calculate the Kc...
QUESTION 4 Using the Kp = 150 for the reaction below at 25°C calculate the Kc 250369) - 2 50 349) + Ozig) Report your answer in 3 significant figures. 15 points Save Answer QUESTION 5 Given the following information: 2 H,SO 2H2g) + S210) K = 2.3 X 10 Determine if the reaction is the following: 2H2(g) + Szig) + 2H,50) Answer in 4 significant figures. No units needed. 15 points Save Answer
Mechanisms Question 1 (22 marks) (a) Consider the radical chain reactions of the alkane shown below with Br, in the...
Mechanisms Question 1 (22 marks) (a) Consider the radical chain reactions of the alkane shown below with Br, in the presence of light. H3C HH H C-CCHS CH3 Br2 hv 2 Different mono- bromo products 25 °C + (you will need to look up the bond dissociation energy (BDE) for the types of bonds formed and broken in this reactions) (i) Give the structures of the products from the reaction and using standard arrow conventions show the series of mechanistic...
Question 1 - Linked Reactions (10 marks) The reaction catalysed by pyruvate kinase is: Phosphoenolpyruvate+ ADPpyruvateATP Keg 3.63 x 105 a) Calculate the AG" for this reaction. Show your work...
Question 1 - Linked Reactions (10 marks) The reaction catalysed by pyruvate kinase is: Phosphoenolpyruvate+ ADPpyruvateATP Keg 3.63 x 105 a) Calculate the AG" for this reaction. Show your working. 3 marks b) The hydrolysis of ATP has following equation: AG 30.5 kJ/mol Calculate the AG" for the following reaction: Phosphoenolpyruvate pyruvateP Show your working. 2 marks c) At 37 °C, the steady-state concentrations of phosphoenolpyruvate, ATP, and ADP have been measured to be 23 HM, 1.85 mM and 140...
This question is worth 20 marks Figure 2 shows a decorator's plank, which is 5 m in length, supported on two trestles. The mass of the plank is 37 kg and the mass of the decorator is 70 kg. In or...
This question is worth 20 marks Figure 2 shows a decorator's plank, which is 5 m in length, supported on two trestles. The mass of the plank is 37 kg and the mass of the decorator is 70 kg. In order to paint a stairwell the decorator has to position themselves at point A, as shown on Figure 2. To stop the plank tipping, the decorator's assistant attaches weights to a rope at point B Figure 2 The decorator's plank...
1 22. (10 marks) In a game, three players A, B and C take turns to...
1 22. (10 marks) In a game, three players A, B and C take turns to shoot at a target. Player A shoots first. If A misses the target, B shoots. If B misses the target, C shoots. If missed the target, A shoots; and so on. When a player hits the target, this player wins the game and the game is over. The probability that A hits the target is the probability that B hits the target is; and...
22%D 22:27 513 395 5 - Question 3 (13 marks) TODO of ☺ ☺ + B...
22%D 22:27 513 395 5 - Question 3 (13 marks) TODO of ☺ ☺ + B Uzxy , s xx = -snapped = non-lin 7 i 363)-6=3" The solubility product constant of Mg(OH)2, Ksp, is given as 7.1 x 10-12. (a) If a solution is 0.0303 M with respect to Mg2+ ion, what is the molar concentration of OH required to start the precipitation of Mg(OH)2? (2 marks) (b) Calculate the pH of the solution that results when 0.081 g...
In the figure below, q1 = 1.50××10−7−7 C and q2 = 3.50××10−7−7 C. 2) What is...
In the figure below, q1 = 1.50××10−7−7 C and
q2 = 3.50××10−7−7 C.
2) What is the y component of the electric field E⃗ E→ at the
point (x, y) = (6.00 m, 3.00 m)? (Express your answer to three
significant figures.
3) What is the x component of the force F→ acting on an proton
at that position? (Express your answer to three significant
figures.) answer is to 10^-18N
4)What is the y component of the force F→ acting...
Question 2 (10 marks) If :) = 22%, calculate each of (a), (b) and (c) below. Show your working. (a) 0.58. Give your answer to 3 significant figures. [4 marks] (b) 15. Give your answer to 4 significant figures. [2 marks] (c) A simple annual interest rate that gives an equivalent accumulation over 7 years. Give your answer to 4 significant figures. [4 marks)
Question 1
Question 2:
Question 3:
Question 4:
Question 5:
Question 6:
Question 7:
Question 8:
Please number each question. Thank you
Question 1 Not yet answered Marked out of 4.00 Flag question If the number density of electrons in a wire is n 1.00 x 1028 m-3, at what drift velocity must they travel through a wire of diameter d 0.560 mm to deliver a current of 7.20 A? Give your answer in mm s1 to 3 significant figures...
QUESTION 4 Using the Kp = 150 for the reaction below at 25°C calculate the Kc 250369) - 2 50 349) + Ozig) Report your answer in 3 significant figures. 15 points Save Answer QUESTION 5 Given the following information: 2 H,SO 2H2g) + S210) K = 2.3 X 10 Determine if the reaction is the following: 2H2(g) + Szig) + 2H,50) Answer in 4 significant figures. No units needed. 15 points Save Answer
Mechanisms Question 1 (22 marks) (a) Consider the radical chain reactions of the alkane shown below with Br, in the presence of light. H3C HH H C-CCHS CH3 Br2 hv 2 Different mono- bromo products 25 °C + (you will need to look up the bond dissociation energy (BDE) for the types of bonds formed and broken in this reactions) (i) Give the structures of the products from the reaction and using standard arrow conventions show the series of mechanistic...
Question 1 - Linked Reactions (10 marks) The reaction catalysed by pyruvate kinase is: Phosphoenolpyruvate+ ADPpyruvateATP Keg 3.63 x 105 a) Calculate the AG" for this reaction. Show your working. 3 marks b) The hydrolysis of ATP has following equation: AG 30.5 kJ/mol Calculate the AG" for the following reaction: Phosphoenolpyruvate pyruvateP Show your working. 2 marks c) At 37 °C, the steady-state concentrations of phosphoenolpyruvate, ATP, and ADP have been measured to be 23 HM, 1.85 mM and 140...
This question is worth 20 marks Figure 2 shows a decorator's plank, which is 5 m in length, supported on two trestles. The mass of the plank is 37 kg and the mass of the decorator is 70 kg. In order to paint a stairwell the decorator has to position themselves at point A, as shown on Figure 2. To stop the plank tipping, the decorator's assistant attaches weights to a rope at point B Figure 2 The decorator's plank...
1 22. (10 marks) In a game, three players A, B and C take turns to shoot at a target. Player A shoots first. If A misses the target, B shoots. If B misses the target, C shoots. If missed the target, A shoots; and so on. When a player hits the target, this player wins the game and the game is over. The probability that A hits the target is the probability that B hits the target is; and...
22%D 22:27 513 395 5 - Question 3 (13 marks) TODO of ☺ ☺ + B Uzxy , s xx = -snapped = non-lin 7 i 363)-6=3" The solubility product constant of Mg(OH)2, Ksp, is given as 7.1 x 10-12. (a) If a solution is 0.0303 M with respect to Mg2+ ion, what is the molar concentration of OH required to start the precipitation of Mg(OH)2? (2 marks) (b) Calculate the pH of the solution that results when 0.081 g...
In the figure below, q1 = 1.50××10−7−7 C and
q2 = 3.50××10−7−7 C.
2) What is the y component of the electric field E⃗ E→ at the
point (x, y) = (6.00 m, 3.00 m)? (Express your answer to three
significant figures.
3) What is the x component of the force F→ acting on an proton
at that position? (Express your answer to three significant
figures.) answer is to 10^-18N
4)What is the y component of the force F→ acting...
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