![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 04:30
Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:30
Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 14:30
Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 17:00
In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added
Answers: 1
You know the right answer?
Sound and light are made up of matter....
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 03.12.2020 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2020 19:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 03.12.2020 19:00
![question](/tpl/images/cats/istoriya.png)
History, 03.12.2020 19:00
![question](/tpl/images/cats/en.png)
English, 03.12.2020 19:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 03.12.2020 19:00
![question](/tpl/images/cats/en.png)
English, 03.12.2020 19:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 03.12.2020 19:00
![question](/tpl/images/cats/biologiya.png)
Biology, 03.12.2020 19:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/es.png)
Spanish, 03.12.2020 19:00
![question](/tpl/images/cats/istoriya.png)
History, 03.12.2020 19:00
![question](/tpl/images/cats/istoriya.png)
History, 03.12.2020 19:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 03.12.2020 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2020 19:00