Chemistry, 17.07.2019 21:30, Student005
Express in scientific notation. choose the answer with the proper number of significant figures. a). 20. x 10^26 b). 10 x 10^26 c). 2 x 10^27
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Chemistry, 22.06.2019 06:30, 91miketaylor
Particle model to predict what will happen if a sharp object creates a hole in the soccer ball
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Chemistry, 22.06.2019 08:30, microwave13016
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
Express in scientific notation. choose the answer with the proper number of significant figures. a)....
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