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Chemistry, 21.06.2019 23:30, mastershadow2018
Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.
Answers: 2
Chemistry, 22.06.2019 03:30, fbillinton
In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?
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Chemistry, 22.06.2019 09:40, keiracoles
How many grams of aluminum will there be in 98g of al2o3?
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Chemistry, 22.06.2019 11:30, charles8527
If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood
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An atom has six electrons in its valence shell. how many single covalent bonds would you expect it t...
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