During biogenesis on earth carbon in all life primarily came from a. carbon dioxide b. water...
During biogenesis on earth carbon in all life primarily came from
a. carbon dioxide
b. water vapor
c. decaying organisms
d. methane
Homework Answers
a. carbon dioxide
During the early times of origin of life on earth, the earth was filled mostly with the molecular nitrogen and carbon dioxide but not methane. Water vapor does not contain carbon and the decaying organisms serve carbon, but this is not the case with the biogenesis (still the life is being formed during this period and also it is not the primary source).
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During biogenesis on earth carbon in all life primarily came
from
a. carbon dioxide
b. water...
Why is carbon preferable to be the chemical base for life? a. Carbon dioxide is essentially...
Why is carbon preferable to be the chemical base for life? a. Carbon dioxide is essentially insoluble in water. b. Carbon dioxide is a strong construction material. c. The stability and strength of the carbon–carbon bonds make it a good base for larger molecular complexes. d. It escapes the biochemical circulation once it is utilized. e. By reacting with hydrogen, it can undergo combustion, which provides organisms with energy.
Greenhouse gases occur naturally in the atmosphere, such as carbon dioxide, water vapor, methane, nitrous oxide,...
Greenhouse gases occur naturally in the atmosphere, such as carbon dioxide, water vapor, methane, nitrous oxide, and ozone. However, greenhouse gases are also produced due to human activities, such as driving (using oil) and coal plants. Do you think the earth is experiencing an anthropogenic (human-caused) climate change from our use of nonrenewable energy such as coal or oil?
Methane gas and oxygen gas react to form water vapor and carbon dioxide gas. What volume...
Methane gas and oxygen gas react to form water vapor and carbon dioxide gas. What volume of carbon dioxide would be produced by this reaction if 6.47 L of oxygen were consumed? Also, be sure your answer has a unit symbol, and is rounded to 3 significant digits.
When methane (CH4CH4) burns, it reacts with oxygen gas to produce carbon dioxide and water. The...
When methane (CH4CH4) burns, it reacts with oxygen gas to produce carbon dioxide and water. The unbalanced equation for this reaction is CH4(g)+O2(g)→CO2(g)+H2O(g)CH4(g)+O2(g)→CO2(g)+H2O(g) This type of reaction is referred to as a complete combustion reaction. Part A What mass of carbon dioxide is produced from the complete combustion of 1.80×10−3 gg of methane? Part B What mass of water is produced from the complete combustion of 1.80×10−3 gg of methane? Part C What mass of oxygen is needed for the...
2 pts Question 1 Where did most of the water and carbon dioxide from Earth's early...
2 pts Question 1 Where did most of the water and carbon dioxide from Earth's early atmosphere go (order is water then carbon dioxide)? O both into ocean O water into ocean carbon dioxide into plants O water into plants carbon dioxide into ocean O both went into plants Question 2 2 pts How long ago did life on earth emerge (according to science)? 3.9 billion years 600 million years ago 23 million years ago 13.8 billion years ago D...
Is it true that hydrogen atoms are transferred from water to carbon dioxide during photosynthesis and...
Is it true that hydrogen atoms are transferred from water to carbon dioxide during photosynthesis and that this results in the formation of an energy – rich molecule? What is this molecule?
Part B What mass of carbon dioxide is produced from the complete combustion of 7.10×10−3 g...
Part B What mass of carbon dioxide is produced from the complete combustion of 7.10×10−3 g of methane? Express your answer with the appropriate units. Part C What mass of water is produced from the complete combustion of 7.10×10−3 g of methane? Express your answer with the appropriate units. Part D What mass of oxygen is needed for the complete combustion of 7.10×10−3 g of methane? Express your answer with the appropriate units.
What mass of carbon dioxide is produced from the complete combustion of 8.20x10-3 g of methane?
Part B What mass of carbon dioxide is produced from the complete combustion of 8.20x10-3 g of methane?Part C What mass of water is produced from the complete combustion of 8.20x10-3 g of methane?
Combustion of hydrocarbons such as methane (CH4) produces carbon dioxide, a "greenhouse gas." Greenhouse gases in the E...
Combustion of hydrocarbons such as methane (CH4) produces carbon dioxide, a "greenhouse gas." Greenhouse gases in the Earth's atmosphere can trap the Sun's heat, raising the average temperature of the Earth. For this reason there has been a great deal of international discussion about whether to regulate the production of carbon dioxide 1. Write a balanced chemical equation, including physical state symbols, for the combustion of gaseous methane into gaseous carbon dioxide and gaseous water. olo 10 ? 18 Ar...
Combustion of hydrocarbons such as methane (CH) produces carbon dioxide, a "greenhouse gas." Greenhouse gases in...
Combustion of hydrocarbons such as methane (CH) produces carbon dioxide, a "greenhouse gas." Greenhouse gases in the Earth's atmosphere can trap the Sun's heat, raising the average temperature of the Earth, For this reason there has been a great deal of international discussion about whether to regulate the production of carbon dioxide. 1. Write a balanced chemical equation, including physical state symbols, for the combustion of gaseous methane into gaseous carbon dioxide and gaseous water OP 0-0 X 2. Suppose...
2 pts Question 1 Where did most of the water and carbon dioxide from Earth's early atmosphere go (order is water then carbon dioxide)? O both into ocean O water into ocean carbon dioxide into plants O water into plants carbon dioxide into ocean O both went into plants Question 2 2 pts How long ago did life on earth emerge (according to science)? 3.9 billion years 600 million years ago 23 million years ago 13.8 billion years ago D...
Combustion of hydrocarbons such as methane (CH4) produces carbon dioxide, a "greenhouse gas." Greenhouse gases in the Earth's atmosphere can trap the Sun's heat, raising the average temperature of the Earth. For this reason there has been a great deal of international discussion about whether to regulate the production of carbon dioxide 1. Write a balanced chemical equation, including physical state symbols, for the combustion of gaseous methane into gaseous carbon dioxide and gaseous water. olo 10 ? 18 Ar...
Combustion of hydrocarbons such as methane (CH) produces carbon dioxide, a "greenhouse gas." Greenhouse gases in the Earth's atmosphere can trap the Sun's heat, raising the average temperature of the Earth, For this reason there has been a great deal of international discussion about whether to regulate the production of carbon dioxide. 1. Write a balanced chemical equation, including physical state symbols, for the combustion of gaseous methane into gaseous carbon dioxide and gaseous water OP 0-0 X 2. Suppose...
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