All elements have a AH, of
kJ/mole at standard temperature and pressure....
![subject](/tpl/images/cats/himiya.png)
Chemistry, 02.02.2021 16:40 makenahbriana
All elements have a AH, of
kJ/mole at standard temperature and pressure.
![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, 21.06.2019 23:40
If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 01:00
Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 03:30
Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 15:00
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.09.2019 23:00
![question](/tpl/images/cats/istoriya.png)
History, 20.09.2019 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 20.09.2019 23:00
![question](/tpl/images/cats/biologiya.png)
Biology, 20.09.2019 23:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.09.2019 23:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 20.09.2019 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 20.09.2019 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 20.09.2019 23:00