Chemistry, 05.02.2020 01:44 marykm03p3sd80
Aglass flask containing 100 milliliters of water is sealed with a rubber stopper and placed on a burner. after a while, gas condenses on the inside surface of the flask near the stopper. what type of system is this an example of? a closed system, because energy can enter or leave the container, but the water molecules cannot. an open system, because heat and the water are both being exchanged between the container and the surroundings. an isolated system, because heat and matter can enter but cannot leave the system. an isolated system, because energy can enter or leave the system, but matter can only move in one direction.
Answers: 1
Chemistry, 21.06.2019 18:00
When the following equation is balanced using the smallest possible integers, what is the coefficent of oxygen gas? c7h16o(g) + o2(g) → co2(g) + h2o(g) -1 -5 -8 -16 -21
Answers: 3
Chemistry, 22.06.2019 20:20
The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
Answers: 1
Chemistry, 23.06.2019 01:00
What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds
Answers: 1
Aglass flask containing 100 milliliters of water is sealed with a rubber stopper and placed on a bur...
Mathematics, 28.06.2019 19:00
Social Studies, 28.06.2019 19:00
Mathematics, 28.06.2019 19:00
Biology, 28.06.2019 19:00
Health, 28.06.2019 19:00
Mathematics, 28.06.2019 19:00
Mathematics, 28.06.2019 19:00
Biology, 28.06.2019 19:00