Chemistry, 11.05.2021 02:50 hunterthompson5578
Which of these fibres is a raw material obtained from plants? (A) rayon (B) polyester (C) terrylene (D) nylon
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Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )
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Chemistry, 22.06.2019 08:30
Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size
Answers: 1
Chemistry, 22.06.2019 21:30
An atomic nucleus is composed ofa)protons.b)protons and neutrons.c)protons and electrons.d)protons, neutrons, and electrons.
Answers: 1
Which of these fibres is a raw material obtained from plants? (A) rayon (B) polyester (C) terrylene...
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