List and explain processes by which the amount of oxygen entering the water surface can be...
Homework Answers
1.The solubility of oxygen on water surface decreases as temperature increases.This means that warmer surface water requires less dissolved oxygen to reach 100% air saturation than does deeper,cooler water.
2. The dissolved oxygen on water surface exponentially decreases as salt levels increases.Thats why,at same pressure and temperature saltwater holds about 20% less dissolved oxygen than freshwater.
3. Dissolved oxygen increases as pressure increases,true for both atmospheric and hydrostatic pressure.Water at lower altitude can hold more dissolved oxygen than water at high altitude.
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List and explain processes by which the amount of oxygen entering
the water surface can be...
The processes most responsible for water vapor entering the atmosphere: evaporation and transpiration sublimation and...
The processes most responsible for water vapor entering the atmosphere: evaporation and transpiration sublimation and deposition short wave radiation and long wave radiation conduction and convection
23. Which one of the following compounds can react with water to form oxygen gas? A)...
23. Which one of the following compounds can react with water to form oxygen gas? A) PCl5 B) NO2 C) H2O2 D) KH E) NH3 24. Which one of the following compounds can react with water to form hydrogen gas? PCl5 NO2 H2O2 KH NH3 If you can explain both that would be greatly appreciated thank you!
34. Which of the following is NOT true of water activity? A. It is the amount...
34. Which of the following is NOT true of water activity? A. It is the amount of water available to organisms B. It is reduced by interaction with solute molecules C. It is reduced by adsorption to surfaces D. Low concentration of salts reduces water activity E. Most microorganisms only grow at water activities around 0.98 or higher 35. Which of the following microorganisms can be isolated from a hotspring with pH 2,85°C. and 1 M of NaCI? A. Acidophiles...
List and explain the five processes through which organizations acquire new knowledge. Identify four uses of...
List and explain the five processes through which organizations acquire new knowledge. Identify four uses of storytelling within organizations.
List and explain the factors that contribute to poor surface finish in machining operations. Hint: By...
List and explain the factors that contribute to poor surface finish in machining operations. Hint: By the student. Recall, for example, in turning or milling, as the feed per tooth increases or as the tool radius decreases, the roughness increases. Other factors that contribute to poor surface finish are built-up edge, tool chipping or fracture, and chatter. By the student. Recall, for example, in turning or milling, as the feed per tooth increases or as the tool radius decreases, the...
A scientist working for the MDEQ measured the amount of bacteria present in a surface water...
A scientist working for the MDEQ measured the amount of bacteria present in a surface water sample. According to the scientist, the sample contains 3,600 MPN/100 mL total coliform and 56,700 MPN/100 E. coli. Can you trust the results? Explain your answer.
Carnot cycle comprises of four reversible processes. List the four processes below, and explain how each
Carnot cycle comprises of four reversible processes. List the four processes below, and explain how each
4. For the splitting of water into hydrogen and oxygen, which is usually done by electrolysis (ap...
4. For the splitting of water into hydrogen and oxygen, which is usually done by electrolysis (applying an electrical current to water): H20 ()> 2 H2 (g) + 02 (g) (1) Is ΔΗsystem positive or negative? Explain. 2) Is AHsurroundings positive or negative? Explain. (3) Is ASsurroundings positive or negative? Explain (4) Is ASsystem positive or negative? Explain. (5) Can you determine whether ASuniverse is positive or negative? (6) Under what temperature conditions (high/low/any/never) is this process spontaneous?
4. For...
34. Which of the following is NOT true of water activity? A. It is the amount...
34. Which of the following is NOT true of water activity? A. It is the amount of water available to organisms B. It is reduced by interaction with solute molecules C. It is reduced by adsorption to surfaces D. Low concentration of salts reduces water activity E. Most microorganisms only grow at water activities around 0.98 or
* GWhe + Question 4 When glucose and oxygen become carbon dioxide plus water (cell resp...
* GWhe + Question 4 When glucose and oxygen become carbon dioxide plus water (cell resp reaction) which of the following is true: The reaction is.. positive delta G and glucose is oxidized negative delta G and glucose is oxidized positive delta Gandslucose is reduced negative delta Gandducose is reduced Question 5 If an enzyme facilitates an endergonic reaction, which of these is the mo probable to be true? GW obec + If an enzyme facilitates an endergonic reaction, which...
34. Which of the following is NOT true of water activity? A. It is the amount of water available to organisms B. It is reduced by interaction with solute molecules C. It is reduced by adsorption to surfaces D. Low concentration of salts reduces water activity E. Most microorganisms only grow at water activities around 0.98 or higher 35. Which of the following microorganisms can be isolated from a hotspring with pH 2,85°C. and 1 M of NaCI? A. Acidophiles...
Carnot cycle comprises of four reversible processes. List the four processes below, and explain how each
4. For the splitting of water into hydrogen and oxygen, which is usually done by electrolysis (applying an electrical current to water): H20 ()> 2 H2 (g) + 02 (g) (1) Is ΔΗsystem positive or negative? Explain. 2) Is AHsurroundings positive or negative? Explain. (3) Is ASsurroundings positive or negative? Explain (4) Is ASsystem positive or negative? Explain. (5) Can you determine whether ASuniverse is positive or negative? (6) Under what temperature conditions (high/low/any/never) is this process spontaneous?
4. For...
34. Which of the following is NOT true of water activity? A. It is the amount of water available to organisms B. It is reduced by interaction with solute molecules C. It is reduced by adsorption to surfaces D. Low concentration of salts reduces water activity E. Most microorganisms only grow at water activities around 0.98 or
* GWhe + Question 4 When glucose and oxygen become carbon dioxide plus water (cell resp reaction) which of the following is true: The reaction is.. positive delta G and glucose is oxidized negative delta G and glucose is oxidized positive delta Gandslucose is reduced negative delta Gandducose is reduced Question 5 If an enzyme facilitates an endergonic reaction, which of these is the mo probable to be true? GW obec + If an enzyme facilitates an endergonic reaction, which...
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