Chemistry, 17.11.2020 18:20 saltytaetae
Which of the following best describes why estuaries are important resources? A. They prevent weathering of rock from slopes and cliffs.
B. They are among the most productive types of ecosystems.
C. They are the world's richest sources of precious metals.
D. They help stabilize the global climate.
Answers: 1
Chemistry, 21.06.2019 21:00
Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night. when he took it out, its new volume was 322 milliliters, but its pressure was the same. if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is kelvins.
Answers: 2
Chemistry, 22.06.2019 21:30
Liquid ammonia is produced at high temperatures and under great pressure in a tank by passing a mixture of nitrogen gas and hydrogen gas over an iron catalyst. the reaction is represented by the following equation. n2(g) + 3h2(g) → 2nh3(g) changing all but one experimental condition will affect the amount of ammonia produced. that condition is a) increasing the concentration of both reactants b) changing the temperature within the tank c) decreasing the pressure within the tank. d) increasing only the amount of nitrogen present.
Answers: 1
Chemistry, 22.06.2019 22:30
You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.
Answers: 3
Which of the following best describes why estuaries are important resources? A. They prevent weather...
Mathematics, 30.11.2020 23:40
Computers and Technology, 30.11.2020 23:40
Computers and Technology, 30.11.2020 23:40
Mathematics, 30.11.2020 23:40
Geography, 30.11.2020 23:40
Mathematics, 30.11.2020 23:40
English, 30.11.2020 23:40
History, 30.11.2020 23:40