Homework Answers
100 phytoplankton= 100*200= 20000 kcal energy
10% 20000kcal energy is 2000 kcal energy will be transferred to the next energy level.
20 zooplankton= 20*2000= 40000 kcal energy
10% of 40000 kcal energy is 4000 will be transferred to the next energy level.
5 minnows= 5*4000= 20000 kcal energy.
10% 20000kcal energy is 2000 kcal energy will be transferred to the next energy level.
2 eels= 2000*2= 4000 kcal energy
10% of 4000kcal energy is 400kcal.
1osprey= 1*400= 400kcal energy
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Given that each phytoplankton has 200 kcal of energy stored in its' tissues, calculate the energy...
Building an Energy Pyramid as the pyramid template fill in all the banks and using the...
Building an Energy Pyramid as the pyramid template fill in all the banks and using the table calculate the trophic level energy transfer. On the left side of the diagram, label each level of the pyramid with the appropriate organim description, producer, primary Co, secondary On the right side, label the pyramid with the trophic level: trophic level 1, 2, From the species list, fill in each level with 2 appropriate organisms Observe Tile I and fill in the banks...
13. A photon has an energy of 5.53 x 10-17 J. What is its frequency in...
13. A photon has an energy of 5.53 x 10-17 J. What is its frequency in s'? [h-6.63 x 10"Js). (4) 14. Infrared radiation from the sun has a wavelength of 6200 nm. Calculate the energy of one photon of that radiation (c = 3.0 x 10 m/s; h = 6.63 x 10-34 J·s). A) B) C) 4.1 x 10-9 J 4.1 x 10-30 J 3.2 x 10-29 D) E) 3.2 x 10-26 J between 10-20 and 10-19 J 15....
CFC-11 with zero emissions Now assume that emissions had been successfully reduced to exactly zero after these peak levels in 1990 a. Given its initial levels and lifetime above, calculate what mixin...
CFC-11 with zero emissions Now assume that emissions had been successfully reduced to exactly zero after these peak levels in 1990 a. Given its initial levels and lifetime above, calculate what mixing ratio would be expected 25 years later in 2015, assuming perfect exponential decay. How does this calculated value compare to actual CFC-11 measurements shown for 2015 below? b. What could explain the difference between your simplified calculation and actual measurements? Northern Hemisphere Atmospheric Concentrations CFCs, CCl4 SF6 600...
Al is metal, silvery in colour, with a resistivity of 2.65 μΩ.cm at room temperature. it has the ...
Al is metal, silvery in colour, with a resistivity of 2.65 μΩ.cm at room temperature. it has the so-called face centred cubic (FCC) structure, in which the fractional coordinates of the atoms within the (conventional cubic, side length of a 4.046 A) unit cell are: (0,0,0), (12%,0), (12,0,%), (0,%,%) The intermetallic compound AbAu is bright purple in colour, has a melting point of 1060°C, is rather brittle, and has a resistivity of p-8 u2.cm.1 the repeating unit is also cubic...
Multiple Choice (2 pts each) 6: Calculate the pH of a buffer containing 0.010 M lactic...
Multiple Choice (2 pts each) 6: Calculate the pH of a buffer containing 0.010 M lactic acid (pK,-3.86) and 0.050 M sodium lactate 1: The aqueous environment of cells: A. Is generally irrelevant to biochemical structures and processes B. Serves as a source of energy for biochemical A. 3.16 B. 4.56 processes С. 3.82 D. 3.9 C. Provides an appropriate context for polar molecules and H-bonding that are critical for life D. Allows biochemical molecules to move freely in solution...
4.A thin-walled cylindrical column carries a weightless arch and is loaded as shown in Figure 4. The column has an internal diameter of 250 mm with a thickness of 2 mm Given: E-200 GPa and 0.3 The an...
4.A thin-walled cylindrical column carries a weightless arch and is loaded as shown in Figure 4. The column has an internal diameter of 250 mm with a thickness of 2 mm Given: E-200 GPa and 0.3 The answer to each part of the question is to be used for subsequent parts (a)Determine the stresses on the outer surface of the cylinder at points A and B due to (8 marks) (b) Determine the minimum internal pressure p required if the...
ENSC 102 . Problem Set #6 Due at the beginning of class on Wednesday, May 22 Answer each of the following questions in your own words and using your ow calculations. For worked problens remembe...
ENSC 102 . Problem Set #6 Due at the beginning of class on Wednesday, May 22 Answer each of the following questions in your own words and using your ow calculations. For worked problens remember to explain any intermediate steps or assumptions, show all units, and box your final anwers. For ful possible credit, make sure your fintished work is legible, prepared on loose-leaf paper, and shows your name and your lab instructorname at the top of the first page...
b) Electrochemistry is the branch of physical chemistry that studies the relationship between electricity, as a...
b) Electrochemistry is the branch of physical chemistry that
studies the relationship between electricity, as a measurable and
quantitative phenomenon, and identifiable chemical change, with
either electricity considered an outcome of a particular chemical
change or vice versa. These reactions involve electric charges
moving between electrodes and an electrolyte (or ionic species in a
solution). Thus electrochemistry deals with the interaction between
electrical energy and chemical change. When a chemical reaction is
caused by an externally supplied current, as in...
2. Suppose a car travels 108 km at a speed of 20.0 m/s, and uses 2.20...
2. Suppose a car travels 108 km at a speed of 20.0 m/s, and uses
2.20 gallons of gasoline. Only 30% of the gasoline goes into useful
work by the force that keeps the car moving at constant speed
despite friction. (The energy content of gasoline is 1.3 ✕
108 J per gallon.)
(a) What is the force exerted to keep the car moving at constant
speed?
N
(b) If the required force is directly proportional to speed, how
many...
YOU ONLY NEED TO ANSWER QUESTIONS 1,5, & 8 AND…in addition to answering each question, state 2 other questions aft...
YOU ONLY NEED TO ANSWER QUESTIONS 1,5, & 8
AND…in addition to answering each question, state 2 other
questions after each of these that might be asked of you by a
health professional that would call on you to do the same
calculation, or know the same concept. Give answer for these, and
show all work.
174 Chapter LEARNING QUESTIONS (1) Gentamicin has an average elimination half- life of approximately 2 hours and an apparent volume of distribution of 20%...
Building an Energy Pyramid as the pyramid template fill in all the banks and using the table calculate the trophic level energy transfer. On the left side of the diagram, label each level of the pyramid with the appropriate organim description, producer, primary Co, secondary On the right side, label the pyramid with the trophic level: trophic level 1, 2, From the species list, fill in each level with 2 appropriate organisms Observe Tile I and fill in the banks...
13. A photon has an energy of 5.53 x 10-17 J. What is its frequency in s'? [h-6.63 x 10"Js). (4) 14. Infrared radiation from the sun has a wavelength of 6200 nm. Calculate the energy of one photon of that radiation (c = 3.0 x 10 m/s; h = 6.63 x 10-34 J·s). A) B) C) 4.1 x 10-9 J 4.1 x 10-30 J 3.2 x 10-29 D) E) 3.2 x 10-26 J between 10-20 and 10-19 J 15....
CFC-11 with zero emissions Now assume that emissions had been successfully reduced to exactly zero after these peak levels in 1990 a. Given its initial levels and lifetime above, calculate what mixing ratio would be expected 25 years later in 2015, assuming perfect exponential decay. How does this calculated value compare to actual CFC-11 measurements shown for 2015 below? b. What could explain the difference between your simplified calculation and actual measurements? Northern Hemisphere Atmospheric Concentrations CFCs, CCl4 SF6 600...
Al is metal, silvery in colour, with a resistivity of 2.65 μΩ.cm at room temperature. it has the so-called face centred cubic (FCC) structure, in which the fractional coordinates of the atoms within the (conventional cubic, side length of a 4.046 A) unit cell are: (0,0,0), (12%,0), (12,0,%), (0,%,%) The intermetallic compound AbAu is bright purple in colour, has a melting point of 1060°C, is rather brittle, and has a resistivity of p-8 u2.cm.1 the repeating unit is also cubic...
Multiple Choice (2 pts each) 6: Calculate the pH of a buffer containing 0.010 M lactic acid (pK,-3.86) and 0.050 M sodium lactate 1: The aqueous environment of cells: A. Is generally irrelevant to biochemical structures and processes B. Serves as a source of energy for biochemical A. 3.16 B. 4.56 processes С. 3.82 D. 3.9 C. Provides an appropriate context for polar molecules and H-bonding that are critical for life D. Allows biochemical molecules to move freely in solution...
4.A thin-walled cylindrical column carries a weightless arch and is loaded as shown in Figure 4. The column has an internal diameter of 250 mm with a thickness of 2 mm Given: E-200 GPa and 0.3 The answer to each part of the question is to be used for subsequent parts (a)Determine the stresses on the outer surface of the cylinder at points A and B due to (8 marks) (b) Determine the minimum internal pressure p required if the...
ENSC 102 . Problem Set #6 Due at the beginning of class on Wednesday, May 22 Answer each of the following questions in your own words and using your ow calculations. For worked problens remember to explain any intermediate steps or assumptions, show all units, and box your final anwers. For ful possible credit, make sure your fintished work is legible, prepared on loose-leaf paper, and shows your name and your lab instructorname at the top of the first page...
b) Electrochemistry is the branch of physical chemistry that
studies the relationship between electricity, as a measurable and
quantitative phenomenon, and identifiable chemical change, with
either electricity considered an outcome of a particular chemical
change or vice versa. These reactions involve electric charges
moving between electrodes and an electrolyte (or ionic species in a
solution). Thus electrochemistry deals with the interaction between
electrical energy and chemical change. When a chemical reaction is
caused by an externally supplied current, as in...
2. Suppose a car travels 108 km at a speed of 20.0 m/s, and uses
2.20 gallons of gasoline. Only 30% of the gasoline goes into useful
work by the force that keeps the car moving at constant speed
despite friction. (The energy content of gasoline is 1.3 ✕
108 J per gallon.)
(a) What is the force exerted to keep the car moving at constant
speed?
N
(b) If the required force is directly proportional to speed, how
many...
YOU ONLY NEED TO ANSWER QUESTIONS 1,5, & 8
AND…in addition to answering each question, state 2 other
questions after each of these that might be asked of you by a
health professional that would call on you to do the same
calculation, or know the same concept. Give answer for these, and
show all work.
174 Chapter LEARNING QUESTIONS (1) Gentamicin has an average elimination half- life of approximately 2 hours and an apparent volume of distribution of 20%...
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