![subject](/tpl/images/cats/himiya.png)
Chemistry, 13.09.2019 23:30 nockturnal1993
Which of the following statements is/are correct? 1. spontaneous changes only occur in the direction that leads to equilibrium. 2. exothermic reactions are always spontaneous. 3. in any chemical reaction, energy must be conserved. a. 1 only b. 2 only c. 3 only d. 1 and3 e. 1, 2, and3
![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 23:30
What’s the scientific notation for the number 6,840,000,000
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:10
Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)
Answers: 1
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 21:30
Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h
Answers: 1
You know the right answer?
Which of the following statements is/are correct? 1. spontaneous changes only occur in the directio...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 02.08.2019 23:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 02.08.2019 23:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 02.08.2019 23:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 02.08.2019 23:30
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 02.08.2019 23:30
![question](/tpl/images/cats/biologiya.png)
Biology, 02.08.2019 23:30
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 02.08.2019 23:30
![question](/tpl/images/cats/mat.png)
Mathematics, 02.08.2019 23:30
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 02.08.2019 23:30
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 02.08.2019 23:30