Plz help with this again
...
![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 20:30
Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 09:00
Given the following reaction: c3h8+5o2=3co2+4h20 how many grams of co2 will be produced 7 g of c3h8 and 98 g of o2
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:00
A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 15:20
Identify arrows pointing to bonding electrons. done h-0-0-h ) intro
Answers: 3
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
English, 25.09.2019 06:00
![question](/tpl/images/cats/fizika.png)
Physics, 25.09.2019 06:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 25.09.2019 06:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 25.09.2019 06:00
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.09.2019 06:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 25.09.2019 06:00
![question](/tpl/images/cats/mat.png)