![subject](/tpl/images/cats/himiya.png)
Chemistry, 08.10.2021 05:00 snowysophia7987
Unless otherwise instructed, you may use the periodic table in the Chemistry: Problems and Solutions book for this question.
Which of these sets of elements has similar properties?
oxygen, nitrogen, carbon
strontium, magnesium, calcium, beryllium
hydrogen, helium, neon
chromium, magnesium, iron, cobalt
![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, 22.06.2019 05:30
What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:00
Problem page combustion of hydrocarbons such as pentane ( c5 h12 ) produces carbon dioxide, a "greenhouse gas." greenhouse gases in the earth's atmosphere can trap the sun's heat, raising the average temperature of the earth. for this reason there has been a great deal of international discussion about whether to regulate the production of carbon dioxide.(a) write a balanced chemical equation, including physical state symbols, for the combustion of liquid pentane into gaseous carbon dioxide and gaseous water. (b) suppose 0.350 kg of pentane are burned in air at a pressure of exactly 1 atm and a temperature of 20.0 degree c. calculate the volume of carbon dioxide gas that is produced.be sure your answer has the correct number of significant digits.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 16:30
4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has:
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 19:00
What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-
Answers: 1
You know the right answer?
Unless otherwise instructed, you may use the periodic table in the Chemistry: Problems and Solutions...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 16.09.2019 02:50
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 16.09.2019 02:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 16.09.2019 02:50
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 16.09.2019 02:50
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 16.09.2019 02:50
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
English, 16.09.2019 02:50
![question](/tpl/images/cats/mat.png)
Mathematics, 16.09.2019 02:50
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 16.09.2019 02:50
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/health.png)
Health, 16.09.2019 02:50
![question](/tpl/images/cats/en.png)