(-)-Cholesterol has an observed rotation under a given set of conditions of -39.5◦ in chloroform. Under...
(-)-Cholesterol has an observed rotation under a given set of conditions of -39.5◦ in chloroform. Under the same conditions in chloroform, what would be the observed rotation (enter an integer and not anything with a decimal point) of a racemate of (+)-cholesterol and (-)-cholesterol? *HELP ASAP*
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(-)-Cholesterol has an observed rotation under a given set of
conditions of -39.5◦ in chloroform. Under...
7. If this reaction under a given set of conditions has a Keq value of 5.67,...
7. If this reaction under a given set of conditions has a Keq
value of 5.67, what percent conversion to the product would be
expected?
The answer is A. 85%, but I would like an explanation as to why
that is, thank you.
Instructions: The reaction below is commonly used as a laboratory preparation of cyclohexene. Use this reaction to answer the following question(s) OH н' Н,о 6. Refer to instructions. The forward and reverse reactions are classified, respectively, as:...
Under a given set of conditions, a particular torpedo has a probability of hitting a particular...
Under a given set of conditions, a particular torpedo has a probability of hitting a particular target of 0.3. In this scenario, torpedoes are launched sequentially. That is, the first torpedo is launched. If it hits the target, then the operation is complete. If it misses, another is launched, and then another until one torpedo hits the target. a) What is the average number of torpedoes you will need to shoot until you first hit the target? b) What is...
Problem 5.31 O The amino acid (S)-alanine has the physical characteristics listed under the structure. a....
Problem 5.31 O The amino acid (S)-alanine has the physical characteristics listed under the structure. a. What is the melting point of (R)-alanine? b. How does the melting point of a racemic mixture of (R) and (S)-alanine compare OH to the melting point of (S)-alanine? NH c. What is the specific rotation of (R)-alanine, recorded under the same conditions (S)-alanine as the reported rotation of (S)-alanine? (a) 8.5 d. What is the optical rotation of a racemic mixture of (R)-...
The free energy (AG) for a reaction under a set of initial conditions/concentrations is -14.3 kcal/mol....
The free energy (AG) for a reaction under a set of initial conditions/concentrations is -14.3 kcal/mol. The standard free energy (AG°) of this reaction is -6.0 kcal/mol. Given this information, what will be the value of the ratio of the reaction quotient (Q) to the equilibrium constant (Kea)? In other words, what will Q/Keg equal? Assume a temperature of 25°C. The value of the gas constant is 1.987 × 10-3 kcal/K-mol. To make your answer feasible to enter in Canvas,...
A DC permanent magnet motor draws 5A from a 200V DC source, under no-load conditions, and draws 50A from the same source, and has a speed of 2500rpm at full load. Ra = 1.4Ω. Determine: a) the rotation...
A DC permanent magnet motor draws 5A from a 200V DC source, under no-load conditions, and draws 50A from the same source, and has a speed of 2500rpm at full load. Ra = 1.4Ω. Determine: a) the rotation loss* (W) b) the no-load speed (rpm) c) the output torque (Nm) d) the efficiency of the motor at full load. (*Assume the rotational loss is proportional to speed!)
answer these 3 thank you very much се Assume that the variable under consideration has a...
answer these 3 thank you very much
се Assume that the variable under consideration has a density curve. The area under the density curve that lies to the right of 18 is 0.389. a. What percentage of all possible observations of the variable exceed 18? b. What percentage of all possible observations of the variable are at most 18? A: a. St (Type an integer or a decimal.) GI b. 1.9 Question Help Assume that the variable under consideration has...
5-8 A local jurisdiction has determined that for a given set of geometric conditions, a maxi-...
5-8 A local jurisdiction has determined that for a given set of geometric conditions, a maxi- mum rate of 8 crashes/million entering vehicles can be tolerated. At an intersection of two roadways with ADTs of 10,000 and 7500, how many crashes can occur before cor- rective action must be sought? 5-10 A 5.4-mile segment of highway has the following traffic and safety data: 2005 2006 2007 17,400 15,200 16,300 Annual average daily traffic (AADT) Number of fatal crashes Number of...
ID#2323 Break-Even Sales Under Present and Proposed Conditions
Determine the amount of sales (units) that would be necessary underBreak-Even Sales Under Present and Proposed ConditionsDarby Company, operating at full capacity, sold 70,200 units at a price of $60 per unit during the current year. Its income statement for the current year is as follows:Sales$4,212,000Cost of goods sold2,080,000Gross profit$2,132,000Expenses:Selling expenses$1,040,000Administrative expenses1,040,000Total expenses2,080,000Income from operations$52,000The division of costs between fixed and variable is as follows:VariableFixedCost of goods sold70%30%Selling expenses75%25%Administrative expenses50%50%Management is considering a plant expansion program that will permit an...
Researchers set out to conduct a series of separate experiments to explore how the mammalian respiratory...
Researchers set out to conduct a series of separate experiments to explore how the mammalian respiratory system functions. Using rats as a model for exploring respiration (assume the mechanics for breathing and maintaining homeostatic regulation of Pco2, Po2, and pH are the same for humans and rats), the researchers performed several separate experiments on these otherwise healthy rats. The rats were allowed to fully recover after the conclusion of each experiment, thus ensuring no carry over effects from one experiment...
Consider the output stage shown in Fig. BIT has β = x and VBE = 0.7 V when it is on. Choose RL so that 0.32 w of power is dissipated m the load under the given input conditions. Plot our and ig i...
Consider the output stage shown in Fig. BIT has β = x and VBE = 0.7 V when it is on. Choose RL so that 0.32 w of power is dissipated m the load under the given input conditions. Plot our and ig in the space provided in Fig. what is the efficiency of the output stage under these conditions? b-) VouT (V) ut (rad) 180 140 ie (mA) 100 1--1 ut (rad) TT 3TT/2
Consider the output stage shown...
7. If this reaction under a given set of conditions has a Keq
value of 5.67, what percent conversion to the product would be
expected?
The answer is A. 85%, but I would like an explanation as to why
that is, thank you.
Instructions: The reaction below is commonly used as a laboratory preparation of cyclohexene. Use this reaction to answer the following question(s) OH н' Н,о 6. Refer to instructions. The forward and reverse reactions are classified, respectively, as:...
Problem 5.31 O The amino acid (S)-alanine has the physical characteristics listed under the structure. a. What is the melting point of (R)-alanine? b. How does the melting point of a racemic mixture of (R) and (S)-alanine compare OH to the melting point of (S)-alanine? NH c. What is the specific rotation of (R)-alanine, recorded under the same conditions (S)-alanine as the reported rotation of (S)-alanine? (a) 8.5 d. What is the optical rotation of a racemic mixture of (R)-...
The free energy (AG) for a reaction under a set of initial conditions/concentrations is -14.3 kcal/mol. The standard free energy (AG°) of this reaction is -6.0 kcal/mol. Given this information, what will be the value of the ratio of the reaction quotient (Q) to the equilibrium constant (Kea)? In other words, what will Q/Keg equal? Assume a temperature of 25°C. The value of the gas constant is 1.987 × 10-3 kcal/K-mol. To make your answer feasible to enter in Canvas,...
answer these 3 thank you very much
се Assume that the variable under consideration has a density curve. The area under the density curve that lies to the right of 18 is 0.389. a. What percentage of all possible observations of the variable exceed 18? b. What percentage of all possible observations of the variable are at most 18? A: a. St (Type an integer or a decimal.) GI b. 1.9 Question Help Assume that the variable under consideration has...
5-8 A local jurisdiction has determined that for a given set of geometric conditions, a maxi- mum rate of 8 crashes/million entering vehicles can be tolerated. At an intersection of two roadways with ADTs of 10,000 and 7500, how many crashes can occur before cor- rective action must be sought? 5-10 A 5.4-mile segment of highway has the following traffic and safety data: 2005 2006 2007 17,400 15,200 16,300 Annual average daily traffic (AADT) Number of fatal crashes Number of...
Consider the output stage shown in Fig. BIT has β = x and VBE = 0.7 V when it is on. Choose RL so that 0.32 w of power is dissipated m the load under the given input conditions. Plot our and ig in the space provided in Fig. what is the efficiency of the output stage under these conditions? b-) VouT (V) ut (rad) 180 140 ie (mA) 100 1--1 ut (rad) TT 3TT/2
Consider the output stage shown...
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