Ineed on questions 2a, 2b, and 2c. !
...
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 19:30
Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:00
11) burning your hand when accidentally touching a hot plate is an example of which heat transfer? a. conduction b. convection c. radiation d. none of these
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:30
You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.
Answers: 3
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 18:50
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 18:50
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 18:50
![question](/tpl/images/cats/en.png)
English, 06.11.2020 18:50
![question](/tpl/images/cats/en.png)
English, 06.11.2020 18:50
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 18:50
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 18:50
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 18:50
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 18:50
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 18:50
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 06.11.2020 18:50
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)