Chemistry, 18.09.2021 05:20 skyrileycasting
Read the paragraph, and then answer the question.
Coal is a black, hard substance formed from the remains of living things that existed a long time ago. The remains were buried and exposed to pressure and temperature underneath Earth’s surface. Over time, these remains solidified.
Which of the spheres interact in the formation of coal? Check all that apply.
H atmosphere
I biosphere
J cryosphere
K geosphere
L hydrosphere
Answers: 1
Chemistry, 21.06.2019 18:30
Calculate the change in entropy if br2(l) is converted into gaseous br atoms. s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)
Answers: 2
Chemistry, 22.06.2019 14:00
What term describes technology that operates on an atomic level
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Chemistry, 22.06.2019 19:00
Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²
Answers: 2
Read the paragraph, and then answer the question.
Coal is a black, hard substance formed from the...
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