Chemistry, 10.11.2020 20:10 nschavez123
In a car engine gasoline is burning to create mechanical energy which of the following statements is true? A. Some energy is lost as heat B. the total amount of energy in the system increases C. the total amount of energy in the system degrees D. the nuclear energy is transformed into mechanical energy
Answers: 2
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What is the strongest intermolecular force between an nacl unit and an h2o molecule together in a solution? covalent bonding dipole-dipole force hydrogen bonding ion-dipole force
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Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world
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Chemistry, 22.06.2019 20:20
Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .
Answers: 3
In a car engine gasoline is burning to create mechanical energy which of the following statements is...
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