![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 23:50
Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.
Answers: 1
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 15:00
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 02:00
Scientists are often interested in knowing the molar heat of combustion – the heat released during the combustion of one mole of a substance. use the periodic table to find molar masses. how many moles of ethanol are present in the sample?
Answers: 2
You know the right answer?
Find the mass of 3.65 x 10^-2 mol K2SO4...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 20.09.2020 07:01
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.09.2020 07:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 20.09.2020 07:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 20.09.2020 07:01
![question](/tpl/images/cats/es.png)
Spanish, 20.09.2020 07:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 20.09.2020 07:01
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.09.2020 07:01
![question](/tpl/images/cats/istoriya.png)
History, 20.09.2020 07:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.09.2020 07:01