![subject](/tpl/images/cats/himiya.png)
Chemistry, 25.05.2021 21:00 willisanthony7815
A 318.0 g sample of hydrated calcium sulfate is warmed above a flame until all the water has evaporated the remaining calcium sulfate has a mass of 250,0 g. What is the chemical formula of the hydrated compound? (You may use a dash - in place of the dot)
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/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 13:30
10. according to the law of conservation of mass, how does the mass of the products in a chemical reaction compare to the mass of the reactants?
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 14:50
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 16:00
No copying 15 pts how does a free-body diagram tell you about the net force on an object?
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
You know the right answer?
A 318.0 g sample of hydrated calcium sulfate is warmed above a flame until all the water has evapora...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 12.12.2020 16:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.12.2020 16:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.12.2020 16:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/User.png)
Engineering, 12.12.2020 16:10
![question](/tpl/images/cats/istoriya.png)
History, 12.12.2020 16:10
![question](/tpl/images/cats/en.png)
English, 12.12.2020 16:10
![question](/tpl/images/cats/fr.png)
French, 12.12.2020 16:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.12.2020 16:10
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 12.12.2020 16:10
![question](/tpl/images/cats/fizika.png)