Every year photosynthesis converts ~12.5x1015 moles of CO2 to organic carbon. From your knowledge of the chemistry of photosynthesis and respiration, how many moles of O2 must enter the atmosphere each year?
A. |
4x1017 moles |
|
B. |
25x1015 moles |
|
C. |
62.5x1014 moles |
|
D. |
12.5x1015 moles |
Every year photosynthesis converts ~12.5x1015 moles of CO2 to organic carbon. From your knowledge of the...
The electron transport chain in cellular respiration converts electrical energy to the transport of_ Select one: a. H+ b. O2 c. CO2 d. OH- e. glucose The process of glycolysis converts one molecule of glucose to two molecules of pyruvate. Select one: a. 2 carbon X b. 3 carbon c. 4 carbon d. 5 carbon e. 6 carbon ATP synthesis during cellular respiration depends on a gradient of Select one: a. NaCI b. electrons c. 02 d. pyruvate e. Hydrogen...
Both oxygen and carbon cycle back and forth from cellular respiration and photosynthesis. Briefly describe one of the following cycles: Please make sure your writing is thorough and presentable. Hint: think of the sun, the tree and the giraffe picture, O2 and H2O (water) OR CO2 and C6H12O6 (glucose)
1) By volume, the atmosphere consists of 78% N2, 21% O2, 1%40Ar and about 400 ppm CO2 a) What is the mean molecular weight of air? Round the answer to three significant figures. b) The total mass of the atmosphere is about 5·1018Kg. How many moles of air does it contain? c) How many moles of O2 and CO2 are present? d) Forests and soils contain roughly 2160 Giga ton of Carbon in the form of wood, leaves, and hummus....
CH4 + 2 O2 → CO2 + 2 H20 How many moles of carbon dioxide are produced from the combustion of 110 g of CH4?
Which process fixes carbon (i.e., captures carbon and incorporates it into a living thing)? A. fire B. Respiration C. carnivory D. photosynthesis Plants manufacture a wide variety of carbohydrates, oils, and proteins, all of which contain carbon atoms. Where do plants get the carbon atoms? A. from water B. from soil C. from the atmosphere D. from sunlight “Fossil fuels” developed from A. Carbon-rich deposits of limestone that went through complex chemical changes. B. Pools of sand, gravel, and ground...
2. Given the unbalanced equation: C3H8 + O2 CO2 + H2O a. How many moles of oxygen gas are required to make 4.00 moles of carbon dioxide? b. How many moles of C3H8 must be used to produce 2.00 grams of water?
1. When a plant photosynthesizes, the carbon used by the plant to construct organic molecules comes from a. CO2 in the atmosphere b. CO2 in the soil c. Organic carbon in the soil d. Single carbon atoms in the atmosphere e. Any of these sources 2. CO2 in the atmosphere (choose all that apply) I. Has increased in the last 100 years due to burning of fossil fuels II. Has increased in the last 100 years due to deforestation III....
16. Th e latitudinal diversity gradient refers to what pattem of species diversity? A) For many kinds of organisms, species diversity is greatest near the equator and lowest near the poles. B) For many kinds of organisms, species diversity is greatest near the poles and lowest near the equator C) For many kinds of organisms, species diversity is greatest at low elevation and lowest at high elevation. D) For many kinds of organisms, species diversity is greatest at high elevation...
1. The molecule carbon dioxide has the molecular formula CO2. a. How many carbon and oxygen atoms does each carbon dioxide molecule contain? b. Find the average mass of one carbon dioxide molecule in amu. Show how you reached your answer. C. How many moles of carbon atoms are there in 1 mole of carbon dioxide? d. How many moles of oxygen atoms are there in 1 mole of carbon dioxide? e. Find the mass of one mole of carbon...
13) When a molecule of glucose gets split during the energy investment phase of glycolysis, the products are two molecules of that then move to the energy payoff phase. A) Glyceraldehyde-3-phospahte B) Pyruvate C) Acetyl-COA D) NADH 14) Following glycolysis and the citric acid cycle, but before the electron transport chain and oxidative phosphorylation, the carbon skeleton of glucose has been broken down to CO2 with some net gain of ATP. Most of the energy from the original glucose molecule...