![subject](/tpl/images/cats/himiya.png)
Justine observed that the water level in a dish placed on the window sill decreased after a few days, and vapor formed. what best explains that she observed a physical change? vapor can be easily condensed back to form water. water and its vapor react with substances in different ways. the molecular composition of water changed when the water level decreased. bonds between hydrogen and oxygen broke when the water level changed.
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 14:30
As a part of an experiment a student burns propane to produce carbon dioxide and water she remembers that she must follow the law conservation of matter when writing a balanced chemical equation which of these equation adheres to the law of conservation of matter
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 04:50
Write the overall equation for the reaction for lithium battery
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:30
What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 13:30
Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?
Answers: 1
You know the right answer?
Justine observed that the water level in a dish placed on the window sill decreased after a few days...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 27.03.2020 20:29
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.03.2020 20:29
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.03.2020 20:29
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
English, 27.03.2020 20:29
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 27.03.2020 20:29
![question](/tpl/images/cats/mat.png)
Mathematics, 27.03.2020 20:29
![question](/tpl/images/cats/mat.png)
Mathematics, 27.03.2020 20:29
![question](/tpl/images/cats/mat.png)
Mathematics, 27.03.2020 20:29