![subject](/tpl/images/cats/himiya.png)
Chemistry, 25.11.2021 07:40 leeahnnfoster
The standard enthalpy of formation of CaSO 4 (s) at 25 β¦ C is β 1432 . 7 kJ mol β 1 .The equation that describes this formation reaction is: (A) CaSO 4 (s) βββ Ca(s) S(s) 2 O 2 (g) (B) Ca(s) S(s) 2 O 2 (g) βββ CaSO 4 (s) (C) Ca 2 (aq) SO 2 β 4 (aq) βββ CaSO 4 (s) (D) CaSO 4 (s) βββ Ca(s) S(s) 4 O(g) (E) Ca(s) S(s) 4 O(g) βββ CaSO 4 (s)
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:30
What type of reaction is shown below? check all that apply. 2h2o2 β 2h2o + o2 synthesis decomposition combustion
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 08:00
Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:30
Avariable that is not being directly tested during an experiment should be changed varied experimented controlled
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 15:00
Which are forms of frozen water? check all that apply. dew frost hail rain sleet
Answers: 2
You know the right answer?
The standard enthalpy of formation of CaSO 4 (s) at 25 β¦ C is β 1432 . 7 kJ mol β 1 .The equation th...
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 11.12.2021 07:20
![question](/tpl/images/cats/mat.png)
Mathematics, 11.12.2021 07:20
![question](/tpl/images/cats/mat.png)
Mathematics, 11.12.2021 07:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 11.12.2021 07:20
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.12.2021 07:20
![question](/tpl/images/cats/mat.png)
Mathematics, 11.12.2021 07:20
![question](/tpl/images/cats/mat.png)
Mathematics, 11.12.2021 07:20
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.12.2021 07:20
![question](/tpl/images/cats/istoriya.png)
History, 11.12.2021 07:20
![question](/tpl/images/cats/User.png)
SAT, 11.12.2021 07:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 11.12.2021 07:20
![question](/tpl/images/cats/mat.png)
Mathematics, 11.12.2021 07:20
![question](/tpl/images/cats/mat.png)
Mathematics, 11.12.2021 07:20
![question](/tpl/images/cats/mat.png)
Mathematics, 11.12.2021 07:20
![question](/tpl/images/cats/mat.png)
Mathematics, 11.12.2021 07:20