Chemistry, 12.04.2022 03:10, batmanmarie2004
Select all the correct answers.
Which two generalizations can be made based on what you know about cycles of matter in a closed system?
o New matter is added, and old matter is destroyed.
O Matter changes its physical form, allowing it to return to its original state.
O The amount of matter within the system remains the same.
O Matter and energy can cross the boundaries of the system.
The cycle has a well-defined starting and stopping point.
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Answers: 3
Chemistry, 22.06.2019 20:00, rafaelasoareschagas7
The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.
Answers: 3
Chemistry, 22.06.2019 23:00, Mynameismath
Which type of intermolecular attractions holds ammonia molecules together with other ammonia molecules?
Answers: 3
Chemistry, 23.06.2019 00:30, quintink
How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw
Answers: 2
Select all the correct answers.
Which two generalizations can be made based on what you know about...