Chemistry, 25.06.2019 15:30 XxJadexX6527
Aglacier recedes and exposes bare rock. which of the following will most likely occur next?
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Chemistry, 21.06.2019 14:20
Which of the following statements is not true? β’ a. covalent compounds have low melting and boiling points. β’ ob. covalent bonds between atoms of a compound are relatively weak compared to bonds between molecules. β’ c. covalent bonds occur between nonmetals. β’ d. covalent compounds are often gases or liquids.
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Chemistry, 22.06.2019 08:30
Which metal exist in liquid state and can be cut with knife ?
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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
Aglacier recedes and exposes bare rock. which of the following will most likely occur next?...
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