Oceans cover over 70% of Earth's surface, and precipitation constantly adds freshwater to the oceans. Yet, ocean levels remain relatively constant. Which of the following is the best explanation for why ocean levels remain constant?
A. Ocean water is continually changing from a liquid state into a vapor.
B.
Ocean water is continually seeping underground into the ocean floor.
C.
Humans alter the level of the oceans due to our need for drinking water.
D.
It is difficult to change the ocean levels due to the large size of the oceans.
Answers: 2
Chemistry, 21.06.2019 12:50
Use the standard enthalpies of formation for the reactants and products to solve for the δhrxn for the following reaction. (the δhf of c2h4 is 52.26 kj/mol, co2 is -393.509 kj/mol, and h2o is -241.818 kj.) c2h4 (g) + 3o2(g) 2co2 (g) + 2h2o(g) δhrxn = the reaction is .
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Chemistry, 22.06.2019 22:30
Write and balance the chemical equation that represents the reaction of aqueous sulfuric acid with aqueous sodium hydroxide to form water and sodium sulfate. include phases.
Answers: 1
Chemistry, 23.06.2019 00:30
Titration reveals that 11.6 ml of 3.0m sulfuric acid are required to neutralize the sodium hydroxide in 25.00ml of naoh solution. what is the molarity of the naoh solution?
Answers: 1
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