Chemistry, 07.12.2019 03:31 alleshia2007
What groupings on the periodic table are made up of elements that react similarly?
Answers: 3
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 16:30
Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?
Answers: 2
Chemistry, 23.06.2019 05:40
The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes
Answers: 2
Chemistry, 23.06.2019 12:00
In ccl4 is there a certain length that the main atom carbon is a certain distance from the chlorine’s?
Answers: 1
What groupings on the periodic table are made up of elements that react similarly?...
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