![subject](/tpl/images/cats/himiya.png)
Chemistry, 05.05.2021 14:00 coolasslimm
When 3.18g of copper(ii)oxide was carefully heated in a stream of dry hydrogen, 2.54g of copper and 0.72g of water was formed. Determine the number of moles of hydrogen atoms which combine with one mole of oxygen atoms. Show your working. ​
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/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 20:30
1. calculate the approximate enthalpy of the reaction in joules. estimate that 1.0 ml of vinegar has the same thermal mass as 1.0 ml of water. iqnore the thermal mass of th sodium bicarbonate. note: it takes about 4.2 joules () to change 1.0 gram (1.0ml) of water 1.0 c
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:50
If oil spills continue, all of the following should be expected except (2 points) death of aquatic life. polluted groundwater. decreased soil productivity. increased global temperatures.
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, 23.06.2019 10:30
Describe the hybridization of each carbon and nitrogen atom in each of the following structures
Answers: 1
You know the right answer?
When 3.18g of copper(ii)oxide was carefully heated in a stream of dry hydrogen, 2.54g of copper and...
Questions
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 08.12.2020 16:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
Medicine, 08.12.2020 16:20
![question](/tpl/images/cats/mat.png)
Mathematics, 08.12.2020 16:20
![question](/tpl/images/cats/mat.png)
Mathematics, 08.12.2020 16:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 08.12.2020 16:20
![question](/tpl/images/cats/istoriya.png)
History, 08.12.2020 16:20
![question](/tpl/images/cats/mat.png)
Mathematics, 08.12.2020 16:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 08.12.2020 16:20
![question](/tpl/images/cats/mat.png)
Mathematics, 08.12.2020 16:20
![question](/tpl/images/cats/mat.png)
Mathematics, 08.12.2020 16:20