The correct statement regarding the dependence on fossil fuels is as follows: .
a. The grater demand for fossil fuels With decreasing supplies could lead to an increase in competitive action over liminted resources
Further Explanation:
Fossil fuels are the types of fuels that are produced by natural processes such as anaerobic decomposition of dead creatures. These are composed of large amounts of carbon. Fuels that have low carbon to hydrogen ratios are volatile in nature whereas fossil fuels having almost pure carbon are non-volatile in nature.
Fossil fuels are very important because a large amount of energy is produced from them. These are used for the generation of electricity. Gasoline is used in transportation, natural gas is useful for heating and cooking and coal is used to produce electric power.
Fossil fuel comprises coal, oil and natural gas. These are used to make energy over the past million years. The entire energy requirement of any country depends on the availability of fossil fuels. Since these are non-renewable in nature, these need to be used efficiently. Renewable sources of energy should be used to meet the energy requirements as these are renewable and they do not create negative impacts on the environment. Almost all countries depend on fossil fuels to fulfill their energy needs and this consumption goes on increasing day by day.
Since the demand for fossil fuels is increasing rapidly, the resources become more and more limited. So it can lead to a competitive action over these limited sources to produce energy. Therefore option a is correct.
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Answer Details:
Grade: High School
Chapter: Sources of energy
Subject: Chemistry
Keywords: fuels, fossils fuels, non-renewable, energy, dependence, consumption, competitive action.
I am thinking that you are asking for the balanced equation for this chemical reaction. In order to balance this, you have to count each element where the elements in the reactants side and the product side should have equal number of molecules. The balanced reaction is as follows:
2I2 + 9/2O2 → I4O9
Please show work
Answer:
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Alcohol-related diseases frequently cause low Mg+ levels.
- Mg+ deficiencies must be treated before potassium (K+) deficiencies.
- Mg+ deficiencies often result in low serum potassium (K+)
- Mg++ levels present similarly to calcium (Ca++) levels in the blood.
- Vomiting is not generally seen as a major cause of Mg+ loss
Answer:
It allows migration of ions from one half–cell to the other.
Explanation:
The chemical reaction that absorbs heat is called as an endothermic reaction.
An endothermic reaction is defined as a chemical reaction which is a thermodynamic process accompanied by an increase in enthalpy of the system.In this process, a system absorbs energy from the surroundings which is mainly thermal energy.
Thus an endothermic reaction leads to an increase in the temperature of the system with a decrease in the temperature of the surroundings.Endothermic reactions usually involve the formation of bonds which requires input of energy.In endothermic reactions, entropy of the surrounding decreases.
Many endothermic processes involve the physical changes rather the chemical changes.In an endothermic reaction ,the potential energy of products is greater than that of reactants.
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Answer:
Chemical reactions can be classified as either exothermic or endothermic. An exothermic reaction releases energy into its surroundings. An endothermic reaction, on the other hand, absorbs energy from its surroundings in the form of heat.
Explanation:
B) BaI2
C) PCl3
D) CS2