![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 03:00
Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 10:10
When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:00
Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 05:00
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 4.20 mol fe and 6.70 mol nio(oh) react?
Answers: 3
You know the right answer?
How many moles of atoms of each element in one mole (NH4)2CO3...
Questions
![question](/tpl/images/cats/es.png)
Spanish, 22.07.2019 02:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
Spanish, 22.07.2019 02:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 22.07.2019 02:00
![question](/tpl/images/cats/istoriya.png)
History, 22.07.2019 02:00
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/istoriya.png)
History, 22.07.2019 02:00
![question](/tpl/images/cats/istoriya.png)
History, 22.07.2019 02:00
![question](/tpl/images/cats/health.png)
Health, 22.07.2019 02:00
![question](/tpl/images/cats/geografiya.png)
Geography, 22.07.2019 02:00
![question](/tpl/images/cats/mat.png)
Mathematics, 22.07.2019 02:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 22.07.2019 02:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.07.2019 02:00
![question](/tpl/images/cats/mat.png)
Mathematics, 22.07.2019 02:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.07.2019 02:00